CN110677770A - Sound control method, electronic device and medium - Google Patents

Abstract

The embodiments of the present invention disclose a sound production control method, an electronic device and a medium. Wherein, the sound production control method includes: receiving a sound production request, wherein the sound production request includes an audio signal to be sounded; in response to the sound production request, controlling the exciter of at least one sound producing unit to work according to the audio signal, so as to drive the vibrating body of the at least one sound producing unit to produce sound ; Under the situation that there is a target sounding unit whose sound signal sent out has low frequency loss in at least one sounding unit, use the audio signal to generate a low-frequency compensation signal for performing low-frequency compensation on the sound signal sent by the target sounding unit; According to The low-frequency compensation signal controls the work of the exciters in the other sound-producing units except the target sound-producing unit in the two sound-producing units. The embodiment of the present invention can solve the problem of poor sound quality when the electronic device is placed on the surface of an object.

Description

Sound control method, electronic device and medium

technical field

The embodiments of the present invention relate to the technical field of electronic devices, and in particular, to a sound production control method, an electronic device, and a medium.

Background technique

The existing electronic equipment using a speaker without a hole can meet the user's increasingly high requirements for the appearance of the electronic equipment because there is no need to open a hole on the casing of the electronic equipment.

The current non-perforated speakers can only produce sound based on the casing of the electronic device (that is, the back cover of the battery). If the display screen of the electronic device is placed on the desktop or the surface of the object, the amplitude of the casing will be affected, and the low-frequency part will be lost. The sound quality makes the sound quality poor, resulting in a sharp sound, which seriously affects the user experience.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a sound production control method, an electronic device and a medium, so as to solve the problem of poor sound quality when the electronic device is placed on the surface of an object in the prior art.

In order to solve the above-mentioned technical problems, the present invention is achieved in this way:

In a first aspect, an embodiment of the present invention provides a sound emission control method, which is applied to an electronic device. The electronic device includes two sound emission units arranged opposite to each other along its thickness direction. The sound emission unit includes a vibrating body and at least one for driving the vibrating body. A sound-producing exciter, including:

receiving a utterance request, wherein the utterance request includes an audio signal to be uttered;

In response to the sounding request, the exciter of the at least one sounding unit is controlled to work according to the audio signal, so as to drive the vibrating body of the at least one sounding unit to sound;

When there is a target sound-emitting unit whose sound signal has low-frequency loss in at least one sound-emitting unit, using the audio signal to generate a low-frequency compensation signal for performing low-frequency compensation on the sound signal sent by the target sound-emitting unit;

According to the low-frequency compensation signal, the exciters in the other sound-generating units except the target sound-generating unit in the two sound-generating units are controlled to work.

In a second aspect, an embodiment of the present invention provides an electronic device. The electronic device includes two sound-emitting units arranged opposite to each other along the thickness direction thereof. The sound-emitting unit includes a vibrating body and at least one exciter for driving the vibrating body to emit sound. Equipment also includes:

A sounding request receiving module, configured to receive a sounding request, wherein the sounding request includes an audio signal to be sounded;

a first sounding control module, configured to control the exciter of at least one sounding unit to work according to the audio signal in response to the sounding request, so as to drive the vibrating body of the at least one sounding unit to sound;

The compensation signal generation module is configured to use the audio signal to generate a low-frequency compensation for the sound signal emitted by the target sound-emitting unit when there is a target sound-emitting unit whose sound signal has a low-frequency loss in the at least one sound-emitting unit low frequency compensation signal;

The second sound emission control module is configured to control the exciters in the other sound emission units except the target sound emission unit in the two sound emission units to work according to the low frequency compensation signal.

In a third aspect, an embodiment of the present invention provides an electronic device, including: a display, a rear case, a first exciter, a second exciter, a processor, a memory, and a computer stored in the memory and running on the processor The program, when the computer program is executed by the processor, implements the steps of the vocalization control method according to the first aspect.

In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method for controlling vocalization according to the first aspect are implemented.

In the embodiment of the present invention, in the process of sounding by the electronic device according to the audio signal, if there is a target sounding unit whose sound signal has low frequency loss in the sounding unit that is sounding, a sounding unit for sounding the target sounding unit can be generated. The emitted sound signal is a low-frequency compensation signal for low-frequency compensation, and according to the low-frequency compensation signal, the exciters in the other sound-emitting units other than the target sound-emitting unit are controlled to work in the two sound-emitting units to drive other sound-emitting units except the target sound-emitting unit. The vibrating body in the sound-emitting unit emits sound, so as to compensate the low-frequency sound quality of the sound signal emitted by the target sound-emitting unit blocked by the object when any sound-emitting unit of the electronic device is placed on the surface of the object, thereby making up for the sound quality of the target sound-emitting unit. The low-frequency loss part of the emitted sound signal improves the sound quality of the electronic device, thereby improving the user experience.

Description of drawings

The present invention can be better understood from the following description of specific embodiments of the present invention in conjunction with the accompanying drawings, wherein the same or similar reference numerals denote the same or similar features.

1 is a schematic diagram of a frequency response curve of sound produced by a casing when an electronic device is placed on the surface of an object in the prior art;

2 is a schematic structural diagram of a sounding unit of an electronic device according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart of a sound production control method according to an embodiment of the present invention;

FIG. 4 is a schematic flowchart of a sound production control method according to another embodiment of the present invention;

5 is a schematic flowchart of an audio playback process according to an embodiment of the present invention;

6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a hardware structure of an electronic device implementing various embodiments of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

FIG. 1 shows a schematic diagram of the frequency response curve of the sound produced by the casing when the electronic device is placed on the surface of the object in the prior art. As shown in Figure 1, the dotted line is the frequency response curve of the shell in a free state, and the solid line is the frequency response curve of the shell when it is placed on a desktop or object surface.

As can be seen from Figure 1, since the current non-perforated speaker can only emit sound based on the casing of the electronic device (that is, the battery back cover), when the display screen of the electronic device is placed on the desktop or the surface of the object, the casing The amplitude will be affected, and the low-frequency part of the sound quality will be lost, resulting in poor sound quality, resulting in a sharp sound, which seriously affects the user experience.

In order to solve the above problems in the prior art, embodiments of the present invention provide a sound production control method, an electronic device, and a medium.

Wherein, the electronic device to which the sound emission control method provided by the embodiment of the present invention is applied may include: two sound emission units arranged opposite to each other along the thickness direction thereof, each sound emission unit includes a vibrating body and at least one for driving the vibrating body to emit sound stimulator.

Specifically, the vibrating body may include: a display screen and a casing of the electronic device.

FIG. 2 shows a schematic structural diagram of a sound generating unit of an electronic device according to an embodiment of the present invention. As shown in FIG. 2 , the electronic device includes an electronic device main body 110 and two sound generating units 120 arranged opposite to each other along the thickness direction of the electronic device main body 110 , each sound generating unit includes a vibrating body 121 , an exciter 122 and a supporting body 123 , the exciter 122 is electrically connected to the driving circuit 124 . The support body 123 is fixedly arranged on the main body 110 of the electronic device to provide support for the exciter 122, the driving circuit 124 is used to generate a driving signal to drive the exciter to oscillate to generate kinetic energy, and the exciter 122 is attached to the vibrating body 121, It is used to drive the vibrating body 121 to vibrate, and the vibrating body 121 is used to generate resonance and sound based on the kinetic energy provided by the exciter 122 .

In this embodiment of the present invention, the vibrating body 121 of one of the two sounding units 120 may be a display screen, and the other vibrating body 121 of the two sounding units 120 may be a casing (ie, a battery back cover).

FIG. 3 shows a schematic flowchart of a sound production control method according to an embodiment of the present invention. As shown in Figure 3, the sound control method includes:

S210. Receive a sounding request, wherein the sounding request includes an audio signal to be sounded;

S220, in response to the sounding request, control the exciter of the at least one sounding unit to work according to the audio signal, so as to drive the vibrating body of the at least one sounding unit to sound;

S230, under the situation of a target sounding unit whose sound signal sent out has low-frequency loss in at least one sounding unit, use the audio signal to generate a low-frequency compensation signal for performing low-frequency compensation on the sound signal sent by the target sounding unit;

S240. Control the exciters in the other sound-emitting units except the target sound-emitting unit in the two sound-emitting units to work according to the low-frequency compensation signal.

In the embodiment of the present invention, in the process of sounding by the electronic device according to the audio signal, if there is a target sounding unit whose sound signal has low frequency loss in the sounding unit that is sounding, a sounding unit for sounding the target sounding unit can be generated. The emitted sound signal is a low-frequency compensation signal for low-frequency compensation, and according to the low-frequency compensation signal, the exciters in the other sound-emitting units other than the target sound-emitting unit are controlled to work in the two sound-emitting units to drive other sound-emitting units except the target sound-emitting unit. The vibrating body in the sound-emitting unit emits sound, so as to compensate the low-frequency sound quality of the sound signal emitted by the target sound-emitting unit blocked by the object when any sound-emitting unit of the electronic device is placed on the surface of the object, thereby making up for the sound quality of the target sound-emitting unit. The low-frequency loss part of the emitted sound signal improves the sound quality and audio frequency domain performance of electronic equipment to improve user experience.

Taking the structure of the sounding unit shown in FIG. 2 as an example, the sounding unit whose vibrating body is a casing can be used as the main sounding unit, and the sounding unit whose vibrating body is a display screen can be used as an auxiliary sounding unit, and in response to the sounding request, according to the audio frequency. The signal controls the main sounding unit to emit sound. When the sound signal emitted by the main sounding unit has low frequency loss, the main sounding unit can be used as the target sounding unit, so that the main sounding unit continues to generate sound according to the audio signal, and the auxiliary sounding unit is made according to the low frequency. Compensate the signal to sound, so as to combine with each other to achieve the purpose of reducing the poor sound quality of the non-perforated speaker and the easy occurrence of low-frequency loss in the scenario where the electronic device is placed on the object to play audio.

Continue to take the structure of the sounding unit shown in FIG. 2 as an example, the sounding unit whose vibrating body is the housing can be used as the main sounding unit, and the sounding unit whose vibrating body is the display screen can be used as the auxiliary sounding unit, and in response to the sounding request, according to The audio signal controls the main sounding unit and the auxiliary sounding unit to emit sound at the same time. In the case that the sound signal emitted by the main sounding unit has low frequency loss, the main sounding unit can be used as the target sounding unit, so that the main sounding unit continues to generate sound according to the audio signal, and The auxiliary sound generating unit emits sound according to the low-frequency compensation signal, so as to combine with each other to achieve the purpose of reducing the poor sound quality of the non-perforated speaker and the easy occurrence of low-frequency loss when the electronic device is placed on the object to play audio.

The audio signal to be sounded in step S210 in this embodiment of the present invention may be the default audio signal of the audio to be played, or may be the audio signal processed by the equalizer according to the equalization information set by the user.

In step S220 of the embodiment of the present invention, the specific method for controlling the work of the exciter of the sound-emitting unit according to the audio signal may be: sending the audio signal to the driving circuit, the driving circuit generates the driving signal according to the audio signal, and uses the driving signal to drive the exciter Work to generate kinetic energy for driving the vibrating body to vibrate and sound.

In some embodiments of the present invention, before step S230, the occurrence of at least one sound-emitting unit may also be detected to determine whether there is a target sound-emitting unit whose sound signal has low-frequency loss in the at least one sound-emitting unit.

In some embodiments, a specific method for detecting whether a target sounding unit exists in at least one sounding unit may include:

receiving vibration parameters of the vibrating body of at least one sounding unit collected by the vibration sensor of the electronic device;

For the collected vibration parameters of the vibrating body of each sound-emitting unit, compare the vibration parameters with the vibration characteristics corresponding to the audio signal. If it is determined that the sound signal corresponding to the vibration parameter has low frequency loss according to the comparison result, then unit as the target sounding unit.

Since the sound signal is generated based on the vibration of the vibrating body, there is a corresponding relationship between the vibration parameters of the vibrating body and the sound signal, and the vibration parameters of the vibrating body can be used to determine whether there is a low frequency loss in the sound signal.

Specifically, the electronic device may be provided with a plurality of vibration sensors, each vibrating body is provided with at least one vibration sensor correspondingly, and the vibration condition of each vibrating body can be determined by the vibration parameters collected by the vibration sensor.

After collecting the vibration parameters of each vibrating body, you can use the vibration parameters to generate a vibration curve corresponding to each vibrating body, and then obtain a reference curve generated based on the vibration characteristics corresponding to the audio signal, and compare the vibration curve with the amplitude in the reference curve. By comparison, the amplitude difference is obtained as the comparison result, and whether the sound signal corresponding to the vibration parameter has low frequency loss is determined according to the amplitude difference. After it is determined that the sound signal corresponding to the vibration parameter has a low frequency loss, the sound-emitting unit corresponding to the vibration parameter can be used as the target sound-emitting unit.

Therefore, the embodiment of the present invention can avoid mutual interference between the sound signals emitted by the two sound-emitting units in the case of simultaneously controlling the sound-emitting of the two sound-emitting units in response to the sound-emitting request, and can accurately determine that the emitted sound signals have low-frequency loss. target sounding unit.

In other embodiments, if only one of the two sound-emitting units is controlled to sound in response to the sound-emitting request, the specific method for detecting whether there is a target sound-emitting unit in at least one sound-emitting unit may also include:

The microphone of the receiving electronic device collects the sound signal corresponding to the sound-emitting unit controlled to sound;

Generate the sounding unit frequency response curve according to the sound signal, obtain the preset frequency response curve of the audio signal, then compare the sounding unit frequency response curve with the preset frequency response curve, and determine whether the sound signal has low frequency loss based on the comparison result.

Therefore, the embodiment of the present invention can save the hardware cost of the electronic device, and can accurately determine the target sound whose sound signal has low frequency loss when only one of the two sound generating units is controlled to sound in response to the sound sound request unit.

In this embodiment of the present invention, the specific method of step S230 may include:

Obtain the low-frequency signal missing from the sound signal emitted by the target sound-emitting unit;

A low-frequency compensation signal is extracted from the audio signal based on the missing low-frequency signal; or, based on the missing low-frequency signal, the amplitude difference between the low-frequency signal and the high-frequency signal in the audio signal is reduced to generate a low-frequency compensation signal.

In some embodiments of the present invention, the low frequency frequency band corresponding to the missing low frequency signal may be determined according to the comparison result of the vibration parameter and the vibration characteristic, and then the signal corresponding to the determined low frequency frequency band is extracted from the audio signal, and the low frequency compensation signal is generated .

In other embodiments of the present invention, the low frequency frequency band corresponding to the missing low frequency signal may be determined according to the comparison result of the vibration parameter and the vibration characteristic, and then the signal corresponding to the determined low frequency frequency band in the audio signal is used as the low frequency frequency in the audio signal. signal, other signals are used as high-frequency signals in the audio signal, and the audio signal is changed by reducing the amplitude of the high-frequency signal in the audio signal or increasing the amplitude of the low-frequency signal in the audio signal, thereby generating a low-frequency compensation signal.

Since the obtained low-frequency compensation signal is used to control other sound-generating units except the target sending unit to focus on the sound corresponding to the low-frequency signal that is missing from the sound signal emitted by the target sound-emitting unit, the low-frequency signal missing from the sound signal can be Compensation is performed, so that the low-frequency loss part of the sound signal emitted by the target sound-emitting unit improves the sound-emitting quality of the electronic device.

In step S240 of the embodiment of the present invention, while controlling the exciters in the other sound-emitting units of the two sound-emitting units except the target sound-emitting unit to work according to the low-frequency compensation signal, it also continues to control the exciter of the target sound-emitting unit according to the audio signal. Work.

FIG. 4 shows a schematic flowchart of a sound production control method according to another embodiment of the present invention. As shown in Figure 4, the sound control method further includes:

S250. Continue to control at least one sound-emitting unit according to the audio signal when the number of at least one sound-emitting unit is two and there are two target sound-emitting units in at least one sound-emitting unit, or there is no target sound-emitting unit in at least one sound-emitting unit. Exciter works.

Taking the structure of the sounding unit shown in FIG. 2 as an example, the sounding unit whose vibrating body is a casing can be used as the main sounding unit, and the sounding unit whose vibrating body is a display screen can be used as an auxiliary sounding unit, and in response to the sounding request, according to the audio frequency. The signal controls the main sounding unit and the auxiliary sounding unit to sound at the same time. When it is detected that the sound signals sent by the main sounding unit and the auxiliary sounding unit have low frequency loss, since the two sounding units are arranged opposite to each other along the thickness direction of the electronic device, It can be explained that both the display screen and the casing of the electronic device are blocked by objects. At this time, since the sound signals emitted by the two sound-emitting units have low frequency loss, the exciters of the two target sound-emitting units continue to work according to the audio signals.

Continue to take the structure of the sounding unit shown in FIG. 2 as an example, the sounding unit whose vibrating body is the housing can be used as the main sounding unit, and the sounding unit whose vibrating body is the display screen can be used as the auxiliary sounding unit, and in response to the sounding request, according to The audio signal controls the main sounding unit to sound. When it is detected that the sound signal sent by the main sounding unit has no low frequency loss, it means that the housing is not blocked by objects, and the main sounding unit can continue to be controlled to sound according to the audio signal.

In some embodiments of the present invention, before detecting whether there is a target sound-emitting unit in at least one sound-emitting unit, the sound-emitting control method may further include:

Determine the blocked state of the display screen and the casing;

When it is determined that at least one of the display screen and the housing is blocked, it is detected whether there is a target sound-emitting unit in the at least one sound-emitting unit; when it is determined that neither the display screen or the housing is blocked, the at least one sound-emitting unit is not detected. Whether the target sounding unit exists in the .

In some embodiments of the present invention, if it is determined that the display screen is blocked, it can be determined whether the exciter in the sound-emitting unit corresponding to the display screen is working, and if the exciter of the sound-emitting unit is working, it can be determined whether the sound-emitting unit corresponding to the display screen is working It is the target sounding unit; if it is determined that the casing is blocked, it can be determined whether the exciter in the sounding unit corresponding to the casing is working, and if the exciter of the sounding unit is working, it can be judged whether the sounding unit corresponding to the casing is the target sounding unit.

In other embodiments of the present invention, it is also possible to sequentially detect whether each sound-emitting unit is a target sound-emitting unit under the condition that at least one of the display screen and the housing is determined to be blocked.

In this embodiment of the present invention, the blocked state of the display screen and the casing is detected first, and at least one blocked sound-emitting unit is detected only when it is determined that at least one of the display screen and the casing is blocked Whether there is a target sound-emitting unit with low-frequency loss in the emitted sound signal, the data processing amount of the electronic device can be reduced, the resource occupation of the electronic device can be reduced, and the power consumption of the electronic device can be reduced.

In some embodiments of the present invention, the electronic device further includes a proximity sensor for detecting a state of an object approaching the display screen and a posture sensor for detecting a placement posture of the electronic device.

At this time, the specific method for determining the blocked state of the display screen and the casing may include:

Obtain the proximity signal collected by the proximity sensor and the attitude data collected by the attitude sensor;

Determine the blocked state of the display screen according to the proximity signal;

According to the attitude data, the occluded state of the shell is determined.

The proximity sensor may be an infrared distance sensor.

In this embodiment of the present invention, a proximity sensor for detecting the state of an object approaching the display screen can be used to directly detect the blocked state of the display screen, and the proximity sensor and the attitude sensor for detecting the placement attitude of the electronic device can be used to determine The shielded state of the casing does not need to add a device dedicated to detecting the shielded state of the display screen and the casing, which can reduce the cost of the electronic device.

In the embodiment of the present invention, the blocked state of the display screen can be determined first according to the proximity signal. If it is determined according to the proximity signal that the display screen is close to an object, it can be determined that the display screen is blocked. If it is determined according to the proximity signal that the display screen is not close to the object , it can be determined that the display screen is not blocked.

In this embodiment of the present invention, a specific method for determining the occluded state of the casing according to the gesture data may include:

Obtain the longitudinal attitude data in the attitude data;

If the longitudinal attitude data is a positive number, it is determined that the shell is blocked;

If the longitudinal attitude data is negative, it is determined that the casing is not blocked.

Specifically, if the longitudinal posture data is a positive number, the general situation is that the display screen of the electronic device is placed upward, or the electronic device is held by the user, or the electronic device is supported by a bracket. In these cases, the vibration of the casing will be hindered. , therefore, it can be determined that the housing is blocked. If the longitudinal attitude data is negative, it means that the casing of the electronic device is placed upward. At this time, the electronic device is in contact with the surface of the object through the display screen, and it can be determined that the casing is not blocked.

In this embodiment of the present invention, the attitude sensor may include a gravity sensor and/or a gyroscope.

In other embodiments of the present invention, a proximity sensor for detecting the state of an object approaching the display screen and a proximity sensor for detecting the state of an object approaching the casing may be respectively provided, so that the data collected by the two proximity sensors can be directly used. Proximity signal to detect the blocked state of the display screen and the casing.

In some embodiments of the present invention, after step S240, the sound production control method may further include:

Receive the sound collection signal collected by the microphone of the electronic device;

Adjust the low frequency compensation signal according to the comparison result of the sound acquisition signal and the audio signal.

Specifically, the feedback sound acoustic curve can be generated according to the sound acquisition signal, and the preset frequency response curve of the audio signal can be obtained, and then the feedback sound acoustic curve and the preset frequency response curve can be compared, and based on the comparison result, the sound acquisition curve can be determined. Whether the signal still has low-frequency loss or whether there is high-frequency loss, if it still has low-frequency loss, the low-frequency compensation signal can be readjusted by using the above-mentioned method of generating a low-frequency compensation signal. If there is a high-frequency loss, high-frequency compensation is required. The high frequency compensation method is similar to the low frequency compensation method, and details are not described here.

Therefore, in the embodiment of the present invention, the feedback adjustment mechanism can be used to adjust the low-frequency compensation signal, thereby further improving the generation quality of the electronic device.

FIG. 5 shows a schematic flowchart of an audio playback process according to an embodiment of the present invention. As shown in FIG. 5 , taking the electronic equipment including the sound-emitting unit A with the vibrating body as the casing and the sound-emitting unit B with the vibrating body as the display screen as an example, the method for the electronic equipment to perform audio playback specifically includes the following steps:

S301. Receive a sound request sent by the audio software;

S302, control the exciters of the sounding unit A and the sounding unit B to work according to the audio signal to be sounded in the sounding request to drive the vibrating bodies of the sounding unit A and the sounding unit B to sound, thereby controlling the sounding unit A and the sounding unit B to sound ;

S303, determine whether one of the display screen and the housing is blocked, if so, go to step S304, if not, go to step S302;

S304, detect whether there is a target sounding unit whose sound signal has low frequency loss in the sounding unit A and the sounding unit B, if so, execute step S305, if not, execute step S302;

S305, determine whether the target sounding unit is the sounding unit A and the sounding unit B, if not, go to step S306, if so, go to step S302;

S306, determine whether the target sounding unit is the sounding unit A, if so, go to step S307, if not, go to step S309;

S307, using the audio signal to generate a low-frequency compensation signal for performing low-frequency compensation on the sound signal sent by the sound-emitting unit A;

S308, control the exciter of the sound-emitting unit B to work according to the low-frequency compensation signal, so as to drive the vibrating body of the sound-emitting unit B to emit sound, and perform low-frequency compensation;

S309, using the audio signal to generate a low-frequency compensation signal for performing low-frequency compensation on the sound signal sent by the sound-emitting unit B;

S310: Control the exciter of the sound-generating unit B to work according to the low-frequency compensation signal, so as to drive the vibrating body of the sound-generating unit B to sound, and perform low-frequency compensation.

FIG. 6 shows a schematic structural diagram of an electronic device according to an embodiment of the present invention.

An electronic device according to an embodiment of the present invention includes two sound-generating units arranged opposite to each other along the thickness direction thereof. The sound-generating unit includes a vibrating body and at least one exciter for driving the vibrating body to emit sound. As shown in FIG. 6 , the electronic device further includes: include:

A sounding request receiving module 410, configured to receive a sounding request, wherein the sounding request includes an audio signal to be sounded;

The first sound generation control module 420 is configured to control the exciter of at least one sound generation unit to work according to the audio signal in response to the sound generation request, so as to drive the vibrating body of the at least one sound generation unit to emit sound;

The compensation signal generation module 430 is configured to use the audio signal to generate a low-frequency sound signal for the sound signal emitted by the target sound-emitting unit when there is a target sound-emitting unit whose sound signal has a low frequency loss in the at least one sound-emitting unit. Compensated low frequency compensation signal;

The second sound-emitting control module 440 is configured to control the exciters in the other sound-emitting units except the target sound-emitting unit in the two sound-emitting units to work according to the low-frequency compensation signal.

In the embodiment of the present invention, in the process of sounding by the electronic device according to the audio signal, if there is a target sounding unit whose sound signal has low frequency loss in the sounding unit that is sounding, a sounding unit for sounding the target sounding unit can be generated. The sent sound signal is a low-frequency compensation signal for low-frequency compensation, and according to the low-frequency compensation signal, the exciters in the other sound-emitting units other than the target sound-emitting unit are controlled to work according to the low-frequency compensation signal, so as to drive the vibration of the non-target sound-emitting unit to sound. , to realize the compensation of the low-frequency sound quality of the sound signal emitted by the target sound-emitting unit blocked by the object when any sound-emitting unit of the electronic device is placed on the surface of the object, thereby making up for the low-frequency loss of the sound signal sent by the target sound-emitting unit section to improve the sound quality and audio frequency domain performance of electronic devices to improve user experience.

In this embodiment of the present invention, the audio signal to be uttered received by the utterance request receiving module 410 may be the default audio signal of the audio to be played, or may be the audio processed by the equalizer according to the equalization information set by the user on the default audio signal Signal.

In the embodiment of the present invention, the specific method for the first sound control module 420 to control the exciter of the sound generation unit according to the audio signal may be: sending the audio signal to the driving circuit, the driving circuit generates the driving signal according to the audio signal, and uses the driving signal The drive exciter works to generate kinetic energy for driving the vibrating body to vibrate and sound.

In this embodiment of the present invention, the electronic device may further include a low-frequency absence detection module, configured to: receive vibration parameters of the vibrating body of at least one sound-emitting unit collected by a vibration sensor of the electronic device; for the collected vibration of each sound-emitting unit The vibration parameters of the body are compared with the vibration characteristics corresponding to the audio signal. If it is determined that the sound signal corresponding to the vibration parameter has low frequency loss according to the comparison result, the sounding unit corresponding to the vibration parameter is used as the target sounding unit.

Since the sound signal is generated based on the vibration of the vibrating body, there is a corresponding relationship between the vibration parameters of the vibrating body and the sound signal, and the vibration parameters of the vibrating body can be used to determine whether there is a low frequency loss in the sound signal.

Therefore, the embodiment of the present invention can avoid mutual interference between the sound signals emitted by the two sound-emitting units in the case of simultaneously controlling the sound-emitting of the two sound-emitting units in response to the sound-emitting request, and can accurately determine that the emitted sound signals have low-frequency loss. target sounding unit.

In this embodiment of the present invention, the compensation signal generation module 440 may be specifically configured to: obtain a low-frequency signal missing from the sound signal emitted by the target sound-emitting unit; extract a low-frequency compensation signal from the audio signal based on the missing low-frequency signal; or, Based on the missing low-frequency signal, the amplitude difference between the low-frequency signal and the high-frequency signal in the audio signal is reduced to generate a low-frequency compensation signal.

Since the obtained low-frequency compensation signal is used to control other sound-generating units other than the target sound-emitting unit to focus on the sound corresponding to the low-frequency signal missing from the sound signal emitted by the target sound-generating unit, the low-frequency signal missing from the sound signal can be controlled. Compensation is performed, so that the low-frequency loss part of the sound signal emitted by the target sound-emitting unit improves the sound-emitting quality of the electronic device.

In some embodiments of the present invention, the second sound-emitting control module 440 may be specifically configured to control the exciters in the other sound-emitting units except the target sound-emitting unit in the two sound-emitting units to work according to the low-frequency compensation signal, and also continue to operate according to the audio frequency. The signal controls the exciter of the target sounding unit to work.

In other embodiments of the present invention, the second sound production control module 450 may be further configured to: the number of at least one sound production unit is two and there are two target sound production units in at least one sound production unit, or at least one sound production unit If there is no target sound-emitting unit, continue to control the exciter of at least one sound-emitting unit to work according to the audio signal.

In the embodiment of the present invention, the electronic device may further include an occlusion state detection module, and the occlusion state detection module is configured to: before detecting whether there is a target sound-emitting unit in the at least one sound-emitting unit, determine the blocked state of the display screen and the housing; When it is determined that at least one of the display screen and the housing is blocked, it is detected whether there is a target sound-emitting unit in the at least one sound-emitting unit; when it is determined that neither the display screen or the housing is blocked, the at least one sound-emitting unit is not detected. Whether the target sounding unit exists in the .

In this embodiment of the present invention, the blocked state of the display screen and the casing is detected first, and at least one blocked sound-emitting unit is detected only when it is determined that at least one of the display screen and the casing is blocked Whether there is a target sound-emitting unit with low-frequency loss in the emitted sound signal, the data processing amount of the electronic device can be reduced, the resource occupation of the electronic device can be reduced, and the power consumption of the electronic device can be reduced.

In some embodiments of the present invention, the occlusion state detection module may be specifically configured to: acquire the proximity signal collected by the proximity sensor and the attitude data collected by the attitude sensor; determine the blocked state of the display screen according to the proximity signal; determine the shell according to the attitude data The occluded state of the body.

In some embodiments of the present invention, the occlusion state detection module may also be specifically configured to: acquire longitudinal posture data in the posture data; if the longitudinal posture data is a positive number, it is determined that the casing is occluded; if the longitudinal posture data is a negative number, then Make sure the shell is not obscured.

The proximity sensor may be an infrared distance sensor, and the attitude sensor may include a gravity sensor and/or a gyroscope.

In some embodiments of the present invention, the electronic device may further include a feedback adjustment module, and the feedback adjustment module is configured to: receive a sound collection signal collected by a microphone of the electronic device; adjust the low-frequency compensation signal according to the comparison result between the sound collection signal and the audio signal .

Therefore, in the embodiment of the present invention, the feedback adjustment mechanism can be used to adjust the low-frequency compensation signal, thereby further improving the generation quality of the electronic device.

The electronic device provided in the embodiment of the present invention can implement each process implemented by the electronic device in the method embodiments of FIG. 3 to FIG. 5 , and to avoid repetition, details are not described here.

FIG. 7 is a schematic diagram of a hardware structure of an electronic device implementing various embodiments of the present invention. As shown in FIG. 7 , the electronic device 500 includes but is not limited to: a radio frequency unit 501 , a network module 502 , an audio output unit 503 , an input unit 504 , a sensor 505 , a display unit 506 , a user input unit 507 , an interface unit 508 , and a memory 509 , processor 510, and power supply 511 and other components. Those skilled in the art can understand that the structure of the electronic device shown in FIG. 7 does not constitute a limitation on the electronic device, and the electronic device may include more or less components than the one shown, or combine some components, or different components layout. In this embodiment of the present invention, the electronic device includes but is not limited to a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.

The processor 510 is configured to: receive a sounding request, where the sounding request includes an audio signal to be sounded; in response to the sounding request, control the exciter of the at least one sounding unit to work according to the audio signal to drive the vibration of the at least one sounding unit body sound; in at least one sound generating unit, in the case of a target sound generating unit whose sound signal has low frequency loss, use the audio signal to generate a low frequency compensation signal for performing low frequency compensation on the sound signal sent by the target sound generating unit ; According to the low frequency compensation signal, the exciters in the other sound-emitting units except the target sound-emitting unit in the two sound-emitting units are controlled to work.

In the embodiment of the present invention, in the process of sounding by the electronic device according to the audio signal, if there is a target sounding unit whose sound signal has low frequency loss in the sounding unit that is sounding, a sounding unit for sounding the target sounding unit can be generated. The emitted sound signal is a low-frequency compensation signal for low-frequency compensation, and according to the low-frequency compensation signal, the exciters in the other sound-emitting units other than the target sound-emitting unit are controlled to work in the two sound-emitting units to drive other sound-emitting units except the target sound-emitting unit. The vibrating body in the sound-emitting unit emits sound, so as to compensate the low-frequency sound quality of the sound signal emitted by the target sound-emitting unit blocked by the object when any sound-emitting unit of the electronic device is placed on the surface of the object, thereby making up for the sound quality of the target sound-emitting unit. The low-frequency loss part of the emitted sound signal improves the sound quality and audio frequency domain performance of electronic equipment to improve user experience.

It should be understood that, in this embodiment of the present invention, the radio frequency unit 501 can be used for receiving and sending signals during sending and receiving of information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; The uplink data is sent to the base station. Generally, the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 can also communicate with the network and other devices through a wireless communication system.

The electronic device provides the user with wireless broadband Internet access through the network module 502, such as helping the user to send and receive emails, browse web pages, access streaming media, and the like.

The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into audio signals and output as sound. Also, the audio output unit 503 may also provide audio output related to a specific function performed by the electronic device 500 (eg, call signal reception sound, message reception sound, etc.). The audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.

The input unit 504 is used to receive audio or video signals. The input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042, and the graphics processor 5041 is used for still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode data is processed. The processed image frames may be displayed on the display unit 506 . The image frames processed by the graphics processor 5041 may be stored in the memory 509 (or other storage medium) or transmitted via the radio frequency unit 501 or the network module 502 . The microphone 5042 can receive sound and can process such sound into audio data. The processed audio data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 501 for output in the case of a telephone call mode.

The electronic device 500 also includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 5061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 5061 and the display panel 5061 when the electronic device 500 is moved to the ear. / or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of electronic devices (such as horizontal and vertical screen switching, related games , magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; the sensor 505 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, Infrared sensors, etc., are not repeated here.

The display unit 506 is used to display information input by the user or information provided to the user. The display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 507 may be used to receive input numerical or character information, and generate key signal input related to user setting and function control of the electronic device. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072 . The touch panel 5071, also referred to as a touch screen, can collect the user's touch operations on or near it (such as the user's finger, stylus, etc., any suitable object or accessory on or near the touch panel 5071). operate). The touch panel 5071 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller. To the processor 510, the command sent by the processor 510 is received and executed. In addition, the touch panel 5071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 5071 , the user input unit 507 may also include other input devices 5072 . Specifically, other input devices 5072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

Further, the touch panel 5071 can be covered on the display panel 5061. When the touch panel 5071 detects a touch operation on or near it, it transmits it to the processor 510 to determine the type of the touch event, and then the processor 510 determines the type of the touch event according to the touch The type of event provides a corresponding visual output on display panel 5061. Although in FIG. 7 , the touch panel 5071 and the display panel 5061 are used as two independent components to realize the input and output functions of the electronic device, but in some embodiments, the touch panel 5071 and the display panel 5061 may be integrated The implementation of the input and output functions of the electronic device is not specifically limited here.

The interface unit 508 is an interface for connecting an external device to the electronic device 500 . For example, external devices may include wired or wireless headset ports, external power (or battery charger) ports, wired or wireless data ports, memory card ports, ports for connecting devices with identification modules, audio input/output (I/O) ports, video I/O ports, headphone ports, and more. The interface unit 508 may be used to receive input (eg, data information, power, etc.) from external devices and transmit the received input to one or more elements within the electronic device 500 or may be used between the electronic device 500 and external Transfer data between devices.

The memory 509 may be used to store software programs as well as various data. The memory 509 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required for at least one function, and the like; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc. Additionally, memory 509 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 510 is the control center of the electronic device, using various interfaces and lines to connect various parts of the entire electronic device, by running or executing the software programs and/or modules stored in the memory 509, and calling the data stored in the memory 509. , perform various functions of electronic equipment and process data, so as to monitor electronic equipment as a whole. The processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc., and the modem The processor mainly handles wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 510.

The electronic device 500 may also include a power supply 511 (such as a battery) for supplying power to various components. Preferably, the power supply 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system and other functions.

In addition, the electronic device 500 includes some functional modules not shown, which will not be repeated here.

Preferably, an embodiment of the present invention further provides an electronic device, including a processor 510, a memory 509, and a computer program stored in the memory 509 and running on the processor 510, when the computer program is executed by the processor 510 Each process of the above-mentioned embodiment of the sound emission control method is realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.

Embodiments of the present invention also provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, each process of the above-mentioned embodiment of the sound emission control method is implemented, and the same technology can be achieved. The effect, in order to avoid repetition, is not repeated here. The computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk, or an optical disk.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present invention can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present invention.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the spirit of the present invention and the scope protected by the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (10)

1. A sounding control method, applied to electronic equipment, is characterized in that, described electronic equipment comprises two sounding units arranged opposite to each other along its thickness direction, and described sounding unit comprises vibrating body and at least one for driving described A vibrating body sound exciter, the method comprising: receiving a utterance request, wherein the utterance request includes an audio signal to be uttered; In response to the sounding request, control the exciter of at least one sounding unit to work according to the audio signal, so as to drive the vibrating body of the at least one sounding unit to sound; In the case where there is a target sound-generating unit whose sound signal has a low frequency loss in the at least one sound-generating unit, using the audio signal to generate a low-frequency compensation method for the sound signal emitted by the target sound-generating unit low frequency compensation signal; According to the low-frequency compensation signal, the exciters in the other sound-generating units except the target sound-generating unit in the two sound-generating units are controlled to work. 2. The method of claim 1, further comprising: In the case where the number of the at least one sound-emitting unit is two and there are two target sound-emitting units in the at least one sound-emitting unit, or the target sound-emitting unit does not exist in the at least one sound-emitting unit, continue according to the The audio signal controls the exciter of the at least one sound generating unit to work. 3 . The method according to claim 1 , wherein the vibrating body comprises: a display screen and a casing of the electronic device. 4 . 4. The method of claim 3, further comprising: determining the blocked state of the display screen and the casing; In the case that it is determined that at least one of the display screen and the housing is blocked, it is detected whether the target sound-emitting unit exists in the at least one sound-emitting unit. 5. The method according to claim 4, wherein the electronic device further comprises a proximity sensor for detecting a state of an object approaching the display screen and a posture sensor for detecting a placement posture of the electronic device; Wherein, the determining the blocked state of the display screen and the casing includes: acquiring the proximity signal collected by the proximity sensor and the attitude data collected by the attitude sensor; Determine the blocked state of the display screen according to the proximity signal; According to the gesture data, the occluded state of the casing is determined. 6 . The method according to claim 5 , wherein the determining the occluded state of the casing according to the gesture data comprises: 6 . acquiring longitudinal attitude data in the attitude data; If the longitudinal attitude data is a positive number, it is determined that the casing is blocked; If the longitudinal attitude data is a negative number, it is determined that the casing is not blocked. 7. The method according to claim 1, wherein the generating a low-frequency compensation signal for performing low-frequency compensation on the sound signal emitted by the target sound-emitting unit by using the audio signal comprises: acquiring the low-frequency signal missing from the sound signal emitted by the target sound-emitting unit; Extracting the low-frequency compensation signal from the audio signal based on the missing low-frequency signal; or, reducing the amplitudes of the low-frequency signal and the high-frequency signal in the audio signal based on the missing low-frequency signal The difference value is used to generate the low frequency compensation signal. 8. An electronic device, characterized in that the electronic device comprises two sounding units arranged opposite to each other along its thickness direction, the sounding unit comprising a vibrating body and at least one exciter for driving the vibrating body to sound , the electronic device further includes: a sounding request receiving module, configured to receive a sounding request, wherein the sounding request includes an audio signal to be sounded; a first sounding control module, configured to control the exciter of at least one sounding unit to work according to the audio signal in response to the sounding request, so as to drive the vibrating body of the at least one sounding unit to sound; a compensation signal generating module configured to, in the case that there is a target sounding unit whose sound signal has a low frequency loss in the at least one sounding unit, use the audio signal to The low-frequency compensation signal for low-frequency compensation of the sound signal; The second sound emission control module is configured to control, according to the low-frequency compensation signal, the exciters in the other sound emission units of the two sound emission units except the target sound emission unit to work. 9. An electronic device, comprising: a display, a rear case, a first exciter, a second exciter, a processor, a memory, and a computer stored on the memory and running on the processor A program that, when executed by the processor, implements the steps of the vocalization control method according to any one of claims 1 to 7 . 10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the uttering according to any one of claims 1 to 7 is realized The steps of the control method.

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