CN114979933A - Audio output device and method, electronic device, computer-readable storage medium - Google Patents

Abstract

The present application relates to an audio output apparatus and method, an apparatus, an electronic device, and a computer-readable storage medium and a computer program product. An audio output device comprising: the audio processing device comprises a first loudspeaker, a second loudspeaker, a third loudspeaker and an audio processing circuit, wherein the first loudspeaker, the second loudspeaker and the third loudspeaker are positioned at different positions of an audio output device; and the audio processing circuit is respectively connected with the first loudspeaker, the second loudspeaker and the third loudspeaker and is used for acquiring the use state of the audio output device and respectively controlling two audio signals with incompletely identical output frequency ranges in the first loudspeaker, the second loudspeaker and the third loudspeaker according to the use state so as to form stereo surround sound. In this way, three loudspeakers can be utilized, and stereo effect can be presented no matter in a horizontal screen using state or a vertical screen using state.

Description

Audio output apparatus and method, electronic device, computer readable storage medium

technical field

The present application relates to the field of audio technology, and in particular, to an audio output device and method, device, electronic device, computer-readable storage medium and computer program product.

Background technique

With the development of electronic devices such as mobile phones and tablet computers, in order to provide a better audio-visual experience, the output function of audio signals is usually realized by configuring speakers.

The audio signal played by the speaker configured in the traditional audio output device cannot have a good stereo surround sound effect under different usage states of the audio output device.

SUMMARY OF THE INVENTION

The embodiments of the present application provide an audio output device and method, device, electronic device, computer-readable storage medium, and computer program product, which can utilize three speakers, no matter in the horizontal screen use state or the vertical screen use state. Presents a stereo effect.

In a first aspect, the present application provides an audio output device, the audio output device includes: a first speaker, a second speaker, a third speaker and an audio processing circuit, wherein the first speaker, the second speaker and the third speaker is located at a different position of the audio output device;

The audio processing circuit is connected to the first speaker, the second speaker, and the third speaker respectively, and is used to obtain the use state of the audio output device, and control the first speaker according to the use state. Two of the speaker, the second speaker, and the third speaker output audio signals with different frequency ranges to form a stereo surround sound; wherein, the use state includes a horizontal screen use state and a vertical screen use state .

In a second aspect, the present application provides an electronic device, comprising: the aforementioned audio output device.

In a third aspect, the present application provides an audio output method, which is applied to an audio output device, and the method includes:

for obtaining the use state of the audio output device, wherein the use state includes a horizontal screen use state and a vertical screen use state;

Two of the first speaker, the second speaker and the third speaker in the audio output device are respectively controlled to output audio signals with different frequency ranges according to the usage state, so as to form a stereo surround sound, wherein the first speaker A speaker, the second speaker and the third speaker are located at different positions of the audio output device.

In a fourth aspect, the present application provides an electronic device, comprising a memory and a processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, the processor executes the aforementioned audio output method A step of.

In a fifth aspect, the present application provides a computer-readable storage medium on which a computer program is stored, characterized in that, when the computer program is executed by a processor, the steps of the foregoing method are implemented.

In a sixth aspect, the present application provides a computer program product, including a computer program, characterized in that, when the computer program is executed by a processor, the steps of the foregoing method are implemented.

The above-mentioned audio output device and method, device, electronic device, computer-readable storage medium and computer program product, by setting three speakers at different positions of the audio output device, the audio output device can control the three speakers based on the usage state of the audio output device Two of them can output audio signals with different frequency ranges, so that the audio signals played by speakers at different positions can form sound fields of different heights and directions to present audio effects corresponding to different height information. In addition, in the same use state, the two speakers can play audio signals with different frequency ranges, and thus can play audio signals close to the full frequency range, which can be used in both landscape and portrait use. Creates a stereo surround sound effect.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a block diagram of the internal structure of an audio output device in one embodiment;

2 is a schematic structural diagram of an audio output device in a first horizontal screen use state in one embodiment;

3 is a three-dimensional structural diagram of an audio output device in one embodiment;

4 is a block diagram of the internal structure of an audio output device in another embodiment;

5 is a block diagram of the internal structure of the audio output device in yet another embodiment;

Fig. 6 is the frequency response curve diagram of the loudspeaker in one embodiment;

7 is a schematic structural diagram of an audio output device in a second horizontal screen use state in one embodiment;

8 is a flowchart of an audio output method in one embodiment;

9 is a flowchart of an audio output method in another embodiment;

10 is a schematic structural diagram of an electronic device in one embodiment;

FIG. 11 is a schematic structural diagram of an electronic device in another embodiment.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "top", "bottom", "axial", "radial", "circumferential", etc. is based on the orientation or position shown in the drawings The relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the application.

It will be understood that the terms "first", "second", etc. used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish a first element from another element. For example, a first speaker could be referred to as a second speaker, and similarly, a second speaker could be referred to as a first speaker, without departing from the scope of this application. Both the first speaker and the second speaker are speakers, but they are not the same speaker.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise. In the description of this application, "several" means at least one, such as one, two, etc., unless expressly and specifically defined otherwise.

The audio output apparatus involved in the embodiments of the present application may be applied to an electronic device having an audio output function, and the electronic device may be a handheld device, a vehicle-mounted device, a wearable device, a computing device, and the like.

In one embodiment, an embodiment of the present application provides an audio output device. As shown in FIG. 1 and FIG. 2 , the audio output device includes: a first speaker 101 , a second speaker 102 , a third speaker 103 and an audio processing circuit 110 . Exemplarily, the first speaker 101, the second speaker 102, and the third speaker 103 may be dynamic (or dynamic) speakers, capacitive (or silent) speakers, piezoelectric (or crystal or ceramic) speakers, Electromagnetic (or compression spring) loudspeakers, ionized loudspeakers and pneumatic loudspeakers. For convenience of description, in the embodiment of the present application, the first speaker 101 , the second speaker 102 , and the third speaker 103 are moving coil speakers as an example for description. The first speaker 101 , the second speaker 102 and the third speaker 103 are located at different positions of the audio output device, so that the audio signals output by the first speaker 101 , the second speaker 102 and the third speaker 103 are Sound fields with different heights and directions will be formed to present audio effects corresponding to different height information.

The audio processing circuit 110 is connected to the first speaker 101 , the second speaker 102 and the third speaker 103 respectively. The audio processing circuit 110 is configured to acquire the usage state of the audio output device, and respectively control two output frequencies of the first speaker 101 , the second speaker 102 and the third speaker 103 according to the usage state Audio signals with different ranges to form stereo surround sound.

In the embodiment of the present application, the use state may also be understood as the holding state or the placement state of the audio output device when it is used by the user. The usage states include a horizontal screen usage state (as shown in FIG. 1 ) and a vertical screen usage state (as shown in FIG. 2 ). The use status of the horizontal screen and the use status of the vertical screen can be obtained through motion sensing data detected by the sensor component. Wherein, the sensor component may include a gyroscope, a gravity sensor, an acceleration sensor, a magnetic sensor, and the like. In the embodiment of the present application, the sensor component is included in the audio output device, and the audio output device can obtain its usage status by itself. Optionally, the audio output device may also acquire the usage status of the audio output device based on an external sensor component.

The audio processing circuit 110 can filter and amplify the audio to be played according to the usage status of the audio output device, so as to output three channels of audio signals to the first speaker 101, the second speaker 102, and the third speaker 103, wherein two channels of audio signals are respectively correspondingly output. The frequency ranges of the audio signals are different, so that two of the first speaker 101 , the second speaker 102 and the third speaker 103 can be controlled to output audio signals with different frequency ranges to form a stereo surround sound. In different usage states, the audio processing circuit 110 can control the at least one speaker to output audio signals with different frequency ranges. Exemplarily, audio signals with different frequency ranges may include high-frequency signals, mid-low frequency signals, low-frequency signals, mid-high frequency signals, full-band signals, and the like.

In the embodiment of the present application, by arranging the first speaker 101, the second speaker 102, and the third speaker 103 at different positions of the audio output device, in addition, the audio processing circuit 110 can also control the three Two of the speakers can output audio signals with different frequency ranges. In this way, the audio signals played by the speakers at different positions can form sound fields with different heights and different directions, so as to present sound fields corresponding to different height information. Audio effect playback, because in the same use state, the two speakers can play audio signals with different frequency ranges, and can play audio signals close to the full frequency range, both in the horizontal screen use state and the vertical screen use state. Creates a stereo surround sound effect.

In one embodiment, as shown in FIG. 2 and FIG. 3 , the audio output device includes a casing 20 and a display assembly (not shown in the figures), wherein the casing 20 is fixedly connected with the display assembly. In one embodiment, the housing 20 has a top A and a bottom B oppositely disposed, and a first side C and a second side D oppositely disposed. The first side C is connected to the top A and the bottom B, respectively, and the second side D is connected to the top A and the bottom B, respectively. The first side portion C can be understood as the left side portion, and the second side portion D can be understood as the right side portion. The top part A and the bottom part B are located in the length direction of the audio output device, and the first side part C and the second side part D are located in the width direction of the audio output device. Further, the components of the housing 20 include oppositely arranged front and back surfaces, and side frames. The side borders connect the front edge and the back perimeter. The side of the casing 20 with the display screen is the front side. The side frame may include an upper frame 201 , a lower frame 202 , a first side frame 203 , and a second side frame 204 . The upper frame 201 can be disposed on the top A of the casing 20 , and the lower frame 202 can be disposed on the bottom B of the casing 20 . The first side frame 203 and the second side frame 204 can be respectively disposed on two sides of the casing 20 . It should be noted that, in this embodiment, various orientations, such as the top end, the bottom end, the left side, the right side, etc., are based on the first viewing angle of the user.

Wherein, the top A is provided with a first cavity (not shown in the figure), and the bottom B is provided with a second cavity (not shown in the figure) and a third cavity (not shown in the figure). The first speaker 101 is located in the first cavity, the second speaker 102 is located in the second cavity, and the third speaker 103 is located in the third cavity. Specifically, the first cavity can be opened at any position of the top A. Exemplarily, the first cavity may be opened at the middle position of the top A, or the first cavity may be opened at the top A close to the first side C, or the first cavity may be opened close to the second side D. top A. In the embodiment of the present application, the opening position of the first cavity is not further limited.

The second cavity and the third cavity may be opened at the bottom B of the housing 20 . Exemplarily, the first cavity and the third cavity may be symmetrically disposed at the bottom B of the casing 20, or may be asymmetrically disposed at the bottom B of the casing 20.

In one embodiment, the second cavity and the third cavity are spaced apart and independent of each other. That is, the second cavity serves as the sound cavity of the second speaker 102 , and the third cavity serves as the sound cavity of the third speaker 103 .

Optionally, the second cavity and the third cavity are arranged in communication. That is, the second cavity and the third cavity together serve as the sound cavity of the second speaker 102 and the third speaker 103 . By connecting the second cavity and the third cavity, the sound cavity of the second speaker 102 and the third speaker 103 can be enlarged, so as to further improve the sound effect.

In the embodiment of the present application, for the convenience of description, the second cavity and the third cavity are symmetrically arranged on the bottom B of the housing 20 as an example for description. Wherein, the second cavity is provided at the bottom B close to the first side portion C, and the third cavity is provided at the bottom B close to the second side portion D.

It should be noted that, in the embodiments of the present application, the opening positions of the first cavity, the second cavity, and the third cavity are not further limited. Set the opening position. The functional modules include, but are not limited to, a camera module (eg, a front camera) and a light sensor module at the top A, and an interface module (eg, a charging port, a headphone jack), a microphone, and the like at the bottom B. The function module may also include volume adjustment keys, power keys, etc. located on the side.

The first speaker 101 is arranged on the top A of the housing 20 , and the second speaker 102 and the third speaker 103 are arranged on the bottom B of the housing 20 . When the audio output device is in the vertical screen use state, the first speaker 101 and the second speaker 102 (or the third speaker 103 ) are in an up and down relative position; when the audio output device is in the landscape screen use state, the first speaker 101 and the second speaker 101 The loudspeaker 102 (or the third loudspeaker 103 ) is in a left-right relative position, that is, on the left and right sides with respect to the user's ear, respectively.

In this embodiment, by arranging the first speaker 101 at the top A of the audio output device, the second speaker 102 and the third speaker 103 are respectively arranged at the bottom B of the audio output device, so that the first speaker 101 and the second speaker The audio signals output by 102 and the third speaker 103 will form sound fields with different heights and different directions, so as to present audio effects corresponding to different height information, so as to form stereo surround sound.

In one embodiment, the housing 20 includes a front side and a back side arranged opposite to each other, and a side frame respectively connected to the front side and the back side. Wherein, the front side of the top A is provided with a first sound outlet, and the side frame (that is, the upper frame 201 ) of the top A is provided with a second sound outlet, wherein the first sound outlet , the second sound outlet is communicated with the first cavity. It can be understood that, the first speaker 101 is located in the first cavity, and the sound can be output by the side and the front at the same time. When the first speaker 101 plays the audio signal, it can be formed on the top A of the audio output device. direction of the sound field.

A side frame located at the bottom B (ie, the lower frame 202 ) is provided with a third sound outlet, wherein the third sound outlet communicates with the second cavity. A side frame located at the bottom B (ie, the lower frame 202 ) is provided with a fourth sound outlet, wherein the fourth sound outlet communicates with the third cavity. It can be understood that the second speaker 102 is located in the second cavity and can output sound in a sideways manner, and the third speaker 103 is located in the third cavity and can output sounds in a sideways manner. If the second speaker 102 and the third speaker 103 play high-frequency signals or medium-high frequency signals, the second speaker 102 and the third speaker 103 adopt the side-out sound mode, which has a better response to the high-frequency signal or the medium-high frequency signal, and can improve the Responsiveness of high or mid-high frequency signals.

Optionally, the second speaker and the third speaker may also use a front-side sound output method to output sound. In the embodiments of the present application, the sound output manners of the first speaker, the second speaker, and the third speaker are not limited to the above examples.

In one embodiment, in the same use state, the first speaker 101 is used for outputting the first audio signal, and the second speaker 102 and the third speaker 103 are respectively used for outputting the second audio signal. Specifically, the audio processing circuit 110 can control the first speaker 101 to output the first audio signal, and respectively control the second speaker 102 and the third speaker 103 to output the second audio signal when the audio output device is in any use state. Wherein, the frequency ranges of the first audio signal and the second audio signal are not exactly the same, and the first audio signal and the second audio signal can be covered by signals of all frequency bands. It should be noted that, in this embodiment of the present application, the first speaker 101 may support the playback of full-band signals, and both the second speaker 102 and the third speaker 103 may support the playback of mid-high frequency signals. The full-band signal includes low-frequency, intermediate-frequency and high-frequency signals.

In this embodiment, the first speaker 101 is arranged at the top A of the audio output device, and the second speaker 102 and the third speaker 103 are arranged at the bottom B of the audio output device, wherein the output of the first speaker 101 The frequency range of the audio signal and the frequency range of the audio signal output by the second speaker 102 and the third speaker 103 can cover the whole frequency range, and then the stereo effect can be achieved when the audio output device is used in the horizontal screen and vertical screen. The audio output device using four speakers in the related art can effectively save space and cost.

In one embodiment, when the audio output device is in the vertical screen use state, the first audio signal is a low frequency signal, and the second audio signal is a medium and high frequency signal. Wherein, the frequency range of the low frequency signal may be 100-2KHz, and the frequency range of the medium and high frequency signal may be 2KHz-10KHz. Optionally, when the audio output device is in the vertical screen use state, the first audio signal is a medium and low frequency signal, and the second audio signal is a high frequency signal. Specifically, the audio processing circuit 110 is configured to control the first speaker 101 to output a low frequency signal, and control the second speaker 102 and the third speaker 103 to respectively control the second speaker 102 and the third speaker 103 when the audio output device is in the vertical screen use state. Output the middle and high frequency signal of the second audio signal, or control the first speaker 101 to output the middle and low frequency signal, and control the second speaker 102 and the third speaker 103 to output the high frequency signal.

In this embodiment, when the audio output device is in the vertical screen use state, the first audio signal output by the first speaker 101 at the top A is a low frequency signal or an intermediate frequency signal, while the second speaker 102 and the third speaker at the bottom B The second audio signal output by 103 is a high frequency signal or a medium and high frequency signal. In this way, in the vertical screen use state, high-quality response in the full frequency band from low frequency to high frequency can be satisfied.

When the audio output device is in the horizontal screen use state, the first audio signal is a full-band signal, and the second audio signal is a medium-high frequency signal, or a high-frequency signal. Among them, the frequency range of the full-band signal is 100Hz-10KHz. Specifically, the audio processing circuit 110 is configured to control the first speaker 101 to output a full-band signal, and control the second speaker 102 and the third speaker 102 when the audio output device is in the horizontal screen use state. The speaker 103 outputs a mid-high frequency signal/high frequency signal.

In this embodiment, when the audio output device is in a landscape use state, the first audio signal output by the first speaker 101 at the top A is a full-band signal, and the second speaker 102 and the third speaker 103 at the bottom B output The second audio signal is a high frequency signal/mid-high frequency signal. In this way, in the state of horizontal screen use, high-quality response from low frequency to high frequency can be satisfied. At the same time, all three speakers can play high-frequency signals, which can realize symmetrical playback of high-frequency signals, so as to make the playback direction of high-frequency signals. It is more obvious to improve the stereo effect.

As shown in FIG. 4 , in one embodiment, the audio processing circuit 110 includes: an audio codec 111 , a processing unit 112 and three driving circuits; wherein, the three driving circuits and the first speaker 101 , the second speaker 102 and the third speaker 103 are connected in one-to-one correspondence. Specifically, the three driving circuits include a first driving circuit 113 , a second driving circuit 114 and a third driving circuit 115 . Each driving circuit may include at least one power amplifier for performing power amplification processing on the audio signal output by the processing unit 112, and may increase the power of the audio signal to a preset power. In general, the output power of a power amplifier is positively related to the amplitude of the audio signal. That is, the greater the power, the greater the amplitude of the audio signal played by the corresponding speaker. The types of power amplifiers may include, but are not limited to, class A, class B, class AB, class D, class K audio power amplifiers or smart power amplifiers (Smart Power Amplifier, Smart PA).

The audio codec 111 is used for decoding the received audio data to be played, so as to output a left channel audio signal and a right channel audio signal. Specifically, the audio codec 111 can be connected to a processor in the electronic device, receives audio data to be played output by the processor, decodes the audio data to be played into digital audio signals, and then converts them into analog audio signals. The analog audio signal may include a left channel audio signal and a right channel audio signal, and output to the processing unit 112 .

The processing unit 112 is respectively connected with the audio codec 111 and the three drive circuits, and is used to obtain the usage status of the audio output device, and to perform a comparison between the left channel audio signal and the said audio output device according to the usage status. The right channel audio signal is filtered, and the three-way audio signal is output to the corresponding three driving circuits, so that the three driving circuits drive the first speaker 101, the second speaker 102 and the third speaker Two of the three speakers 103 output audio signals with different frequency ranges.

The processing unit 112 may include a first multi-channel selection switch, a second multi-channel selection switch, and a plurality of filter channels respectively connected to the first and second multi-channel selection switches and the three driving circuits. Wherein, each filtering channel can perform filtering processing on the audio signal output by the audio codec 111, and output audio signals in different frequency bands. Exemplarily, the multiple filter paths may include a full-band filter path, a mid-low frequency filter path, a high-frequency filter path, a low-frequency filter path, a mid-high frequency filter path, and the like. Each filter channel is provided with a filter that can pass the corresponding frequency band signal. For example, a high-pass filter can be set on the high-frequency filter path to allow high-frequency signals to pass through and filter out mid- and low-frequency signals.

As shown in FIG. 5 , the processing unit 112 in the audio processing circuit 110 can respectively control the conduction state of the first multi-channel selection switch and the second multi-channel selection switch according to the usage state of the audio output device, thereby turning on the first multi-channel selection switch. The target filter path 1121 , the second target filter path 1122 , and the third target filter path 1123 correspond to the paths between the first drive circuit 113 , the second drive circuit 114 , and the third drive circuit 115 respectively, so that the first speaker 101 outputs the first audio signal, so that the second speaker 102 and the third speaker 103 output the second audio signal. The first target filtering path 1121 , the second target filtering path 1122 , and the third target filtering path 1123 are respectively one of the multiple filtering paths.

It should be noted that the first target filtering path 1121 , the second target filtering path 1122 , and the third filtering path are different in different usage states of the audio output device. Exemplarily, in the vertical screen use state, the first target filtering path 1121 may allow medium and low frequency or low frequency signals to pass through, and the second target filtering path 1122 (or the third target filtering path 1123 ) may allow medium and high frequency or high frequency signals to pass through. ; In the horizontal screen use state, the first target filter path 1121 can allow full-band signals to pass, and the second target filter path 1122 (or the third target filter path 1123) can allow medium and high frequency signals to pass.

In the embodiment of the present application, the number of filter channels in each frequency band may be multiple, the first multi-channel selection switch and the second multi-channel selection switch may be single-pole multi-throw switches, and the number may also be multiple. , the specific type and quantity of the filter channel and each multi-channel selection switch are not further limited.

Optionally, the processing unit 112 may be an application processor, and each device included in the processing unit 112 may be integrated in the application processing, so as to improve the integration degree of the application processor and reduce the occupied area.

In one embodiment, an audio interface may be used for connection between the audio codec 111 and the application processor. For example, MIPI SoundWire interface, SLIMbus interface, etc. In this embodiment of the present application, the type of the interface used to connect the audio codec 111 and the application processor is not limited, nor is it limited to the above examples.

In one embodiment, the processing unit 112 is further configured to store the preset driving models of the first speaker 101 , the second speaker 102 and the third speaker 103 respectively. Wherein, each of the preset driving models may be constructed according to cavity characteristics corresponding to each speaker. Specifically, each speaker is configured with a preset driver model. Exemplarily, the first speaker 101 is configured with a first preset driving model, and the first preset driving model may be constructed based on the cavity structure characteristics of the sound cavity (ie, the first cavity) of the first speaker 101 . Wherein, the structural features of the cavity may include the shape, size, sound output mode, and the like of the cavity.

Optionally, the preset driving model can also be constructed based on a large amount of driving voltage and amplitude data during the test. The preset driving model can be used to characterize the corresponding relationship between the driving voltage of the power amplifier and the amplitude of the audio signal.

The processing unit 112 drives the corresponding first speaker 101 , the second speaker 102 and the third speaker 103 according to each of the preset driving models. In the process of driving the first speaker 101 , the second speaker 102 , and the third speaker 103 to play audio, the processing unit 112 may also be based on the stored first preset drive model, second preset drive model, and third preset drive model to respectively control the gain of the power amplifier in each driving circuit to drive the first speaker 101 , the second speaker 102 and the third speaker 103 to play the corresponding audio signal.

In this embodiment, the processing unit 112 can drive the corresponding speakers according to the structural features of different cavities, so as to ensure the best playback performance, and at the same time, it can also avoid the occurrence of damage to the speakers due to excessive power.

Optionally, the processing unit 112 may also use the same driving parameter to drive each speaker. The driving parameters can be understood as the amplification gain, power supply voltage, static operating point, bias voltage, etc. of the power amplifier in each driving circuit. It should be noted that the driving parameters are not limited to the above examples, and may also be other parameters that can affect the output power of the power amplifier.

In this embodiment, the processing unit 112 uses the same driving parameter to drive each speaker, which can improve the driving efficiency of each speaker.

In one embodiment, the audio processing circuit 110 is configured to control the first speaker 101 to output the first audio signal of the left and right mixed channels when the audio output device is in the vertical screen use state, and control the The second speaker 102 outputs the second audio signal of the left channel, and controls the third speaker 103 to output the second audio signal of the right channel.

Specifically, the audio codec 111 may be configured with a first output port for outputting a left channel audio signal, and a second output port for outputting a right channel audio signal. The processing unit 112 may further include a sound mixing circuit, and the sound mixing circuit is arranged at the front end of the first driving circuit 113 . The audio mixing circuit can perform mixing processing on the audio signal of the left channel and the audio signal of the right channel output by the audio codec 111 circuit, so as to obtain the audio signal of the mixed channel of the left and right. Exemplarily, the mixing circuit may be provided on the path between the audio codec 111 and the filtering path. The processing unit 112 can control the channels between the first output port and the second output port of the audio mixing circuit and the first target filtering channel 1121 respectively when the audio output device is in the vertical screen use state, so as to mix the left and right channels. The audio signal is transmitted to the first target filtering path 1121, and after filtering, the first audio signal of the left and right mixed channels is output to the first driving circuit 113 to drive the first speaker 101 to play the first audio of the left and right mixed channels. Signal.

Specifically, the processing unit 112 can control the path between the first output port of the audio codec 111 and the second target filtering path 1122, and the path between the audio codec 111 and the The path between the second output port and the third target filtering path 1123, and then correspondingly output the audio signals of the left channel and the right channel respectively to the second target filtering path 1122 and the third target filtering path 1123; after filtering, The second audio signal of the left channel is output to the second driving circuit 114 to drive the second speaker 102 to play the second audio signal of the left channel, and the second audio signal of the right channel is output to the third driving circuit 115 to drive the second speaker 102 to play the second audio signal of the left channel. The third speaker 103 is driven to play the second audio signal of the right channel.

As shown in FIG. 6 , when the vertical screen is in use, the first speaker, the second speaker, and the third speaker play the frequency response curve of the audio signal. In FIG. 6, curve 1 is the frequency response curve of a traditional single speaker, curve 2 is the frequency response curve of the first speaker in the embodiment of the application, and curve 3 is the frequency response curve of the second speaker in the embodiment of the application. It can be seen from FIG. 6 that by controlling the first speaker to output the first audio signal of the full low frequency band, and controlling the second speaker and the third speaker to output the second audio signal of the medium high frequency or high frequency signal, the full frequency range from low frequency to high frequency can be satisfied. high-quality response.

In this embodiment, in the vertical screen use state, the first speaker 101 located at the top A can play the first audio signal of the left and right mixed channels, and the second speaker 102 located on the left side of the bottom B can output the second audio signal of the left channel The audio signal, and the third speaker 103 located on the right side of the bottom B can output the second audio signal of the right channel. In this way, the three speakers can output 3 independent channels and two audio signals with different frequency ranges to achieve surround sound effects, so that the sound field is no longer a plane, but a three-dimensional spherical shape, which can achieve a full frequency range from low frequency to high frequency. Audio playback makes the overall effect comparable to speaker products, with a wider sound field and better audio-visual effects.

In one embodiment, the landscape use state includes a first landscape use state and a second landscape use state. Wherein, when the audio output device is in the first horizontal screen use state, the top A of the audio output device is located on the left, and the bottom B of the audio output device is located on the right, as shown in FIG. 2 . Correspondingly, when the audio output device is in the first horizontal screen use state, the top A of the audio output device is located on the right side, and the bottom B of the audio output device is located on the left side, as shown in FIG. 7 .

The audio processing circuit 110 is configured to control the first speaker 101 to output the first audio signal of the left channel, control the second speaker 102 and The third speaker 103 outputs the second audio signal of the right channel. Correspondingly, the audio processing circuit 110 is further configured to control the first speaker 101 to output the first audio signal of the right channel when the audio output device is in the second horizontal screen use state, and control the first audio signal of the right channel. The second speaker 102 and the third speaker 103 output the second audio signal of the left channel.

In the embodiments of the present application, for the convenience of description, the audio output device is in the first horizontal screen use state as an example for description. The processing unit 112 can control the channel between the first output port of the audio codec 111 and the first target filtering channel 1121 when the audio output device is in the first horizontal screen use state, and output the audio signal of the left channel to the channel 1121. The first target filtering path 1121, after filtering, outputs the first audio signal of the left channel to the first driving circuit 113 to drive the first speaker 101 to play the first audio signal of the left channel. At the same time, the processing unit 112 controls the channels between the second output port of the audio codec 111 and the second target filtering channel 1122 and the third target filtering channel 1123, respectively, correspondingly outputting the audio signal of the right channel to the second channel. The target filtering path 1122 and the third target filtering path 1123; after filtering, the second audio signal of the right channel is output to the second driving circuit 114 and the third driving circuit 115 to drive the second speaker 102 and the third speaker respectively. 103 Plays the second audio signal of the right channel.

In this embodiment, based on the current horizontal screen usage status, for example, the current position of each speaker relative to the user, the speaker located on the left side of the user can be controlled to output the audio signal of the left channel, and the speaker located on the right side of the user can be controlled to output the right audio signal The frequency range of the audio signal of the left channel and the audio signal of the right channel is not exactly the same, which can better reflect the sense of direction of the left and right channels. In this way, the surround sound effect can be realized, so that the sound field is no longer a plane, but a three-dimensional spherical shape, which can realize full-band audio playback from low frequency to high frequency full frequency band, so that the overall effect can be comparable to speaker products, the sound field is wider, and the audio-visual effect is better.

Therefore, regardless of whether the audio output device is in a vertical screen or a horizontal screen, surround sound effects can be achieved, and full-band audio playback from low frequency to high frequency can be achieved, so that the overall effect can be comparable to speaker products, with a wider sound field and audio-visual effects. Better results. Meanwhile, compared with the audio output device using four speakers in the related art, space and cost can be effectively saved.

In one embodiment, as shown in FIG. 8 , an audio output method is provided, and the method is applied to the audio output device in any of the foregoing embodiments as an example for description. The audio output method includes the following steps:

Step 802: Acquire a usage state of the audio output device, wherein the usage state includes a landscape-screen usage state and a portrait-screen usage state.

The use state can be understood as the holding state or the placement state of the audio output device when it is used by the user. The usage states include a horizontal screen usage state (as shown in FIG. 1 ) and a vertical screen usage state (as shown in FIG. 2 and FIG. 7 ). The use status of the horizontal screen and the use status of the vertical screen can be obtained through motion sensing data detected by the sensor component. Wherein, the sensor component may include a gyroscope, a gravity sensor, an acceleration sensor, a magnetic sensor, and the like.

Step 804: Control two of the first speaker, the second speaker, and the third speaker in the audio output device to respectively output audio signals with different frequency ranges according to the usage state, so as to form a stereo surround sound.

Wherein, the first speaker 101, the second speaker 102 and the third speaker 103 are located at different positions of the audio output device, so that the audio signals output by the first speaker 101, the second speaker 102 and the third speaker 103 will form Sound fields at different heights and directions to present audio effects corresponding to different height information.

In the above audio output method, by setting the first speaker, the second speaker and the third speaker at different positions of the audio output device, in addition, two of the three speakers can output frequency ranges based on the use state of the audio output device. In this way, the audio signals played by speakers at different positions can form sound fields of different heights and different directions, so as to present audio effects corresponding to different height information. , the two speakers can play audio signals with different frequency ranges, and then can play audio signals close to the full frequency range, and can form a stereo surround sound effect in both landscape and portrait use.

In one embodiment, the audio output method further includes: in the same use state, respectively controlling the first speaker to output the first audio signal, and controlling the second speaker and the third speaker to output the second audio signal. Wherein, the frequency ranges of the first audio signal and the second audio signal are not exactly the same, and the first audio signal and the second audio signal can be covered by signals of all frequency bands. In this way, the audio output method can realize the stereo effect when the audio output device is in the use state of the horizontal screen and the vertical screen.

In one embodiment, the controlling the first speaker, the second speaker and the third speaker respectively to output audio signals with different frequency ranges according to the use state includes: if the audio output device is in any When the vertical screen is in use, the first speaker is controlled to output low frequency signals, the second speaker and the third speaker are controlled to output medium and high frequency signals respectively, or the first speaker is controlled to output medium and low frequency signals, and all The second speaker and the third speaker output high frequency signals.

In this embodiment, when the audio output device is in the vertical screen use state, the first speaker located at the top can be controlled to output the first audio signal of the low frequency signal or the intermediate frequency signal, while the second speaker and the third speaker located at the bottom can be controlled to output the high frequency signal. The second audio signal of the high frequency signal or the medium and high frequency signal. In this way, in the vertical screen use state, high-quality response in the full frequency band from low frequency to high frequency can be satisfied.

In one embodiment, the controlling the first speaker, the second speaker and the third speaker respectively to output audio signals with different frequency ranges according to the use state includes: if the audio output device is in any When the horizontal screen is in use, the first speaker is controlled to output a full-band signal, and the second speaker and the third speaker are controlled to output a medium-high frequency signal, or a high-frequency signal.

In this embodiment, when the audio output device is in a landscape use state, the first speaker at the top can be controlled to output the first audio signal of the full-band signal, while the second speaker and the third speaker at the bottom can be controlled to output the high-frequency signal /Second audio signal for medium and high frequency signals. In this way, in the state of horizontal screen use, high-quality response from low frequency to high frequency can be satisfied. At the same time, all three speakers can play high-frequency signals, which can realize symmetrical playback of high-frequency signals, so as to make the playback direction of high-frequency signals. It is more obvious to improve the stereo effect.

In one embodiment, the audio output method further includes acquiring the data type of the audio data to be played, and if the data type is a preset type, increasing the amplitude of the medium and high frequency signal or the high frequency signal. The data type of the audio data to be played may include a voice call data type, a video data type, a game data type, and the like. The preset types may include video data types and game data types.

When the audio data to be played is a video data type or a game data type, the amplitude of the mid-high frequency signal or the high-frequency signal played by the corresponding speaker can be increased to enhance the sense of direction of the mid-high frequency signal or the high-frequency signal, thereby improving the stereo sound Effect.

As shown in FIG. 9 , in one embodiment, the audio output method includes steps 902 to 908 .

Step 902, detecting motion sensing data of the audio output device.

The motion sensor data may be obtained based on data collected by sensor components in the electronic device. Wherein, the sensor component may include a gyroscope, a gravity sensor, an acceleration sensor, a magnetic sensor, and the like.

Step 904 , determining a portrait screen use state and a landscape screen use state of the audio output device according to the motion sensing data, wherein the landscape screen use state includes a first landscape screen use state and a second landscape screen use state.

Step 906, if the audio output device is in the first horizontal screen use state, control the first speaker to output the first audio signal of the left channel, and control the second speaker and the third speaker respectively The second audio signal of the right channel is output.

Step 908, if the audio output device is in the second horizontal screen use state, control the first speaker to output the first audio signal of the right channel, and control the second speaker and the third speaker. The speakers respectively output the second audio signals of the left channel.

Step 910, if the audio output device is in the vertical screen use state, control the first audio signal of the left and right mixed channel signals output by the first speaker, and control the second speaker output the first audio signal of the left channel signal. The second audio signal controls the third speaker to output the second audio signal of the right channel signal.

The first audio signal may be a medium-low frequency signal and the second audio signal may be a high-frequency signal, or the first audio signal may be a low-frequency signal and the second audio signal may be a medium-high frequency signal. Therefore, when the audio output device is in the vertical screen, the three speakers can be controlled to output 3 independent channels and two audio signals with different frequency ranges, so as to realize the surround sound effect, so that the sound field is no longer a plane, It is a three-dimensional spherical shape, which can realize full-band audio playback from low frequency to high frequency, so that the overall effect can be comparable to speaker products, the sound field is wider, and the audio-visual effect is better.

In this embodiment, the audio output method can realize surround sound effects in both vertical screen and different horizontal screen usage states, and can realize full-band audio playback from low-frequency to high-frequency full frequency bands, so that the overall effect can be comparable to that of speaker products, and the sound field is more open , the audiovisual effect is better.

In one embodiment, the method further includes the steps of receiving audio data to be played, and decoding the audio data to be played to generate a left channel audio signal and a right channel audio signal.

In this embodiment of the present application, the received audio data to be played may be decoded based on an audio codec to output a left channel audio signal and a right channel audio signal. Specifically, the audio codec can be connected to the processor in the electronic device, receives the audio data to be played output by the processor, decodes the audio data to be played into digital audio signals and converts them into analog audio signals.

Controlling two of the first speaker, the second speaker, and the third speaker in the audio output device to respectively output audio signals with different frequency ranges according to the use state, so as to form a stereo surround sound, includes: according to the Using the state, the left channel audio signal and the right channel audio signal, respectively control the two output frequency ranges of the first speaker, the second speaker and the third speaker in the audio output device are not exactly the same and Channel independent audio signal.

Specifically, if the audio output device is in a vertical screen use state, the first audio signal of the left and right mixed channel signals output by the first speaker is controlled, and the second audio signal of the left channel signal is controlled to output from the second speaker , controlling the third speaker to output the second audio signal of the right channel signal. If the audio output device is in the first horizontal screen use state, the first speaker is controlled to output the first audio signal of the left channel, and the second speaker and the third speaker are controlled to output the right sound respectively the second audio signal of the channel. If the audio output device is in the second horizontal screen use state, the first speaker is controlled to output the first audio signal of the right channel, and the second speaker and the third speaker are controlled to output respectively the second audio signal of the left channel.

It should be understood that, although the steps in the flowcharts involved in the above embodiments are sequentially displayed according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, the execution of these steps is not strictly limited to the order, and these steps may be performed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above embodiments may include multiple steps or multiple stages, and these steps or stages are not necessarily executed and completed at the same time, but may be performed at different times The execution order of these steps or phases is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a part of the steps or phases in the other steps.

As shown in FIG. 10 , an embodiment of the present application further provides an electronic device, the audio output apparatus 10 in any of the foregoing embodiments.

The above-mentioned electronic equipment, by setting three speakers at different positions of the audio output device, the audio output device can control two of the three speakers based on the use state of the audio output device to output audio signals with different frequency ranges. The audio signals played by speakers at different positions will form sound fields of different heights and directions, so as to present audio effects corresponding to different height information. Audio signals with different ranges can play audio signals close to the full frequency range, and can form a stereo surround sound effect in both landscape and portrait use.

In one embodiment, the electronic device further includes a sensor assembly 60 for detecting motion sensing data of the audio output device 10 . Wherein, the sensor component may include a gyroscope, a gravity sensor, an acceleration sensor, a magnetic sensor, and the like. The audio output device is connected to the sensor assembly, and is used for acquiring the usage state of the audio output device according to the motion sensing data. The use state includes a portrait screen use state, a first landscape screen use state, and a second landscape screen use state.

In one embodiment, an electronic device is provided, and the internal structure diagram of the electronic device may be as shown in FIG. 11 . The electronic device includes a processor, a memory, an input/output interface, a communication interface, a display unit and an input device. Wherein, the processor, the memory and the input/output interface are connected through the system bus, and the communication interface, the display unit and the input device are connected to the system bus through the input/output interface. Among them, the processor of the electronic device is used to provide computing and control capabilities. The memory of the electronic device includes a non-volatile storage medium and an internal memory. The nonvolatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the execution of the operating system and computer programs in the non-volatile storage medium. The input/output interface of the electronic device is used for exchanging information between the processor and external devices. The communication interface of the electronic device is used for wired or wireless communication with an external terminal, and the wireless communication can be realized by WIFI, mobile cellular network, NFC (Near Field Communication) or other technologies. The computer program, when executed by a processor, implements an audio output method.

Those skilled in the art can understand that the structure shown in FIG. 11 is only a block diagram of a partial structure related to the solution of the present application, and does not constitute a limitation on the electronic device to which the solution of the present application is applied. The specific electronic device may be Include more or fewer components than shown in the figures, or combine certain components, or have a different arrangement of components.

Embodiments of the present application also provide a computer-readable storage medium. One or more non-transitory computer-readable storage media containing computer-executable instructions, when executed by one or more processors, cause the processors to perform the steps of the audio output method.

Embodiments of the present application also provide a computer program product containing instructions, which, when run on a computer, cause the computer to execute the audio output method.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage In the medium, when the computer program is executed, it may include the processes of the above-mentioned method embodiments. Wherein, any reference to a memory, a database or other media used in the various embodiments provided in this application may include at least one of a non-volatile memory and a volatile memory. Non-volatile memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive memory (ReRAM), magnetic variable memory (Magnetoresistive Random Memory) Access Memory, MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (Phase Change Memory, PCM), graphene memory, etc. Volatile memory may include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration and not limitation, the RAM may be in various forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM). The database involved in the various embodiments provided in this application may include at least one of a relational database and a non-relational database. The non-relational database may include a blockchain-based distributed database, etc., but is not limited thereto. The processors involved in the various embodiments provided in this application may be general-purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, data processing logic devices based on quantum computing, etc., and are not limited to this.

The technical features of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features It is considered to be the range described in this specification.

The above-mentioned embodiments only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the patent of the present application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the present application should be determined by the appended claims.

Claims (21)

1. An audio output apparatus, characterized in that the audio output apparatus comprises: a first speaker, a second speaker, a third speaker, and an audio processing circuit, wherein the first speaker, the second speaker, and the third speaker are located at different locations of the audio output device;

the audio processing circuit is respectively connected with the first loudspeaker, the second loudspeaker and the third loudspeaker, and is used for acquiring the use state of the audio output device and respectively controlling two audio signals with incompletely identical output frequency ranges in the first loudspeaker, the second loudspeaker and the third loudspeaker according to the use state so as to form stereo surround sound; wherein the using state comprises a horizontal screen using state and a vertical screen using state.

2. The audio output device according to claim 1, characterized in that the audio output device comprises: the loudspeaker comprises a shell, wherein the shell is provided with a top part and a bottom part which are oppositely arranged, the top part is provided with a first cavity, the bottom part is provided with a second cavity and a third cavity, the first loudspeaker is located in the first cavity, the second loudspeaker is located in the second cavity, and the third loudspeaker is located in the third cavity.

3. The audio output device according to claim 2, wherein in a same usage state, the first speaker is configured to output a first audio signal, and the second speaker and the third speaker are respectively configured to output a second audio signal, wherein the frequency ranges of the first audio signal and the second audio signal are different.

4. The audio output device of claim 2, wherein the housing has first and second oppositely disposed sides, wherein the first side is connected to the top and the bottom, respectively, and the second side is connected to the top and the bottom, respectively; wherein,

the second cavity is disposed proximate the bottom of the first side and the third cavity is disposed proximate the bottom of the second side.

5. The audio output device of claim 4, wherein the audio processing circuit is configured to control the first speaker to output a first audio signal of a left-right mixed channel, control the second speaker to output a second audio signal of a left channel, and control the third speaker to output the second audio signal of a right channel when the audio output device is in the portrait use state.

6. The audio output device of claim 4, wherein the landscape use position comprises a first landscape use position and a second landscape use position, wherein,

the audio processing circuit is used for controlling the first loudspeaker to output a first audio signal of a left channel and controlling the second loudspeaker and the third loudspeaker to output a second audio signal of a right channel when the audio output device is in the first landscape screen use state;

the audio processing circuit is further configured to control the first speaker to output a first audio signal of a right channel and control the second speaker and the third speaker to output a second audio signal of a left channel when the audio output device is in the second landscape screen use state.

7. The audio output device according to claim 3, 5 or 6, wherein when the audio output device is in the portrait screen usage state, the first audio signal is a low-frequency signal and the second audio signal is a medium-high frequency signal, or the first audio signal is a medium-low frequency signal and the second audio signal is a high-frequency signal; when the audio output device is in the horizontal screen using state, the first audio signal is a full-band signal, and the second audio signal is a medium-high frequency signal or a high-frequency signal.

8. The audio output device of claim 2, wherein the housing comprises a front side and a back side opposite to each other, and a side frame connected to the front side and the back side, respectively,

a first sound outlet hole is formed in the front face of the top, and a second sound outlet hole is formed in the side frame of the top, wherein the first sound outlet hole and the second sound outlet hole are communicated with the first cavity;

a third sound outlet hole is formed in the side frame of the bottom, wherein the third sound outlet hole is communicated with the second cavity;

and a fourth sound outlet hole is formed in the side frame positioned at the bottom, wherein the fourth sound outlet hole is communicated with the third cavity.

9. The audio output device according to claim 2, wherein the second cavity and the third cavity are disposed at a distance, or the second cavity and the third cavity are disposed in communication.

10. The audio output device of claim 1, wherein the audio processing circuit comprises: the audio coder-decoder, the processing unit and the three driving circuits; the three driving circuits are connected with the first loudspeaker, the second loudspeaker and the third loudspeaker in a one-to-one correspondence manner; wherein,

the audio codec is used for decoding the received audio data to be played so as to output a left channel audio signal and a right channel audio signal;

the processing unit is respectively connected with the audio codec and the three driving circuits, and is configured to acquire a use state of the audio output device, perform filtering processing on the left channel audio signal and the right channel audio signal according to the use state, and output three channels of audio signals to the corresponding three driving circuits, so that the three driving circuits drive two audio signals of the first speaker, the second speaker, and the third speaker, which have incompletely identical output frequency ranges.

11. The audio output device according to claim 10, wherein the processing unit is further configured to correspondingly store preset driving models of the first speaker, the second speaker, and the third speaker, respectively, the processing unit drives the corresponding first speaker, the second speaker, and the third speaker according to each of the preset driving models, and each of the preset driving models is constructed according to a cavity feature corresponding to each speaker.

12. An electronic device, comprising: the audio output device of any of claims 1-11.

13. The electronic device of claim 12, further comprising:

a sensor assembly for detecting motion sensing data of the audio output device;

the audio output device is connected with the sensor assembly and used for acquiring the use state of the audio output device according to the motion sensing data.

14. An audio output method applied to an audio output apparatus, the method comprising:

acquiring the use state of the audio output device, wherein the use state comprises a horizontal screen use state and a vertical screen use state;

and respectively controlling two audio signals with different frequency ranges from a first loudspeaker, a second loudspeaker and a third loudspeaker in the audio output device according to the using state so as to form stereo surround sound, wherein the first loudspeaker, the second loudspeaker and the third loudspeaker are positioned at different positions of the audio output device.

15. The method of claim 14, wherein the first speaker is located at a top of the audio output device, and the second speaker and the third speaker are respectively located at a bottom of the audio output device; wherein the controlling two audio signals with different output frequency ranges of the first loudspeaker, the second loudspeaker and the third loudspeaker according to the using state comprises:

if the audio output device is in the vertical screen using state, controlling the first loudspeaker to output low-frequency signals, and controlling the second loudspeaker and the third loudspeaker to output medium-high-frequency signals respectively, or controlling the first loudspeaker to output medium-low-frequency signals, and controlling the second loudspeaker and the third loudspeaker to output high-frequency signals;

and if the audio output device is in the transverse screen using state, controlling the first loudspeaker to output a full-band signal, and controlling the second loudspeaker and the third loudspeaker to output medium-high frequency signals or high-frequency signals.

16. The method of claim 15, further comprising:

acquiring the data type of audio data to be played;

and if the data type is a preset type, increasing the amplitude of the medium-high frequency signal or the high-frequency signal.

17. The method of claim 14, wherein the audio output device comprises an oppositely disposed top and bottom portion, and an oppositely disposed first side portion and second side portion, wherein the first side portion is connected to the top portion and the bottom portion, respectively, and the second side portion is connected to the top portion and the bottom portion, respectively, wherein the first speaker is disposed at the top portion, wherein the second speaker is disposed at the bottom portion proximate to the first side portion, and wherein the third speaker is disposed at the bottom portion proximate to the second side portion;

the acquiring the use state of the audio output device comprises:

detecting motion sensing data of the audio output device;

determining a use state of the audio output device according to the motion sensing data, wherein the use state comprises a vertical screen use state, a first horizontal screen use state and a second horizontal screen use state;

the controlling two audio signals of which the output frequency ranges are not completely the same among a first speaker, a second speaker and a third speaker in the audio output device according to the use state to form stereo surround comprises:

if the audio output device is in the vertical screen using state, controlling a first audio signal of a left and right mixed channel signal output by the first loudspeaker, controlling a second audio signal of a left channel signal output by the second loudspeaker, and controlling a third loudspeaker to output a second audio signal of a right channel signal;

if the audio output device is in the first transverse screen using state, controlling the first loudspeaker to output a first audio signal of a left channel, and controlling the second loudspeaker and the third loudspeaker to output a second audio signal of a right channel respectively;

if the audio output device is in the second horizontal screen using state, controlling the first loudspeaker to output the first audio signal of a right channel, and controlling the second loudspeaker and the third loudspeaker to output the second audio signal of a left channel respectively; wherein the frequency bands of the first audio signal and the second audio signal are different.

18. The method of claim 14, further comprising:

receiving audio data to be played, and decoding the audio data to be played to generate a left channel audio signal and a right channel audio signal;

controlling two audio signals of which the frequency ranges are not completely the same from a first speaker, a second speaker and a third speaker in the audio output device according to the using state to form stereo surround sound, comprising:

and respectively controlling two audio signals with different output frequency ranges and independent channels in a first loudspeaker, a second loudspeaker and a third loudspeaker of the audio output device according to the use state, the left channel audio signal and the right channel audio signal.

19. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, wherein the computer program, when executed by the processor, causes the processor to perform the steps of the audio output method according to any of claims 14 to 18.

20. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 14 to 18.

21. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 14 to 18 when executed by a processor.

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