DE102013021706B4 - FLAT PANEL ELECTRONIC UNIT AND ASSOCIATED AUDIO PLAYER - Google Patents

Abstract

A flat panel electronic device having an audio player (100), the audio player (100) comprising: an audio generator (110) configured to generate a left audio channel and a right audio channel; a sensor (120) is configured to detect a positional state of the flat panel electronic device (150) including a portrait state and landscape orientation, a plurality of speakers (140) formed such that at least one pair of speakers (140) of the plurality of speakers (140) is symmetrical on a left side and a right side of the flat panel electronic device (150) with respect to a user when the audio player (100) is mounted on the flat panel electronic device (150), regardless of how the flat panel Electronic device (150) is arranged, and a controller, which is adapted to receive a detection signal from the sensor (120), and based on the E and a playback mode of the audio player (100) controls the plurality of speakers (140) so that the at least one pair of speakers (140) plays the left audio channel and the right audio channel, respectively, according to the state of the flat panel electronic device (150) ; wherein the audio player (100) has a power saving mode, and the controller is capable of driving only a pair of speakers (140) of the plurality of speakers (140) to correspondingly power down the left audio channel and the right audio channel.

Description

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority on the basis of Chinese Patent Application No. 201310048038.1 , by Jia, et al. on February 6, 2013, and U.S. Patent Application Serial No. 13 / 864,422 issued to Jia, et al. on April 17, 2013, both having the same assignee as the present application.

TECHNICAL area

This application relates generally to the field of electronics, and more particularly to an audio player and a flat panel electronic device having the audio player.

BACKGROUND

Flat panel electronic devices, including tablet PCs, flat panel mobile phones, etc., are widely used as audio players because of advantages such as portability, and fashion and many functions. In the prior art, two loudspeakers respectively disposed on the left side and the right side of the flat panel electronic apparatus are usually used to play the left audio channel and the right audio channel corresponding to the left and right ears, so that User can perceive the stereo effect. However, during use, the flat panel electronic device is often rotated by the user according to the actual requirements. The rotations of the flat panel electronic device lead to changes in the positions of the speakers.

For example, the initial left-right arrangement of the speakers changes to a top-bottom arrangement when the flat panel electronic device is rotated 90 ° or 270 °. In doing so, the audio enjoyment of the user is unavoidably affected when the left audio channel and the right audio channel are played from the top and bottom of the flat panel electronic device. Although the rotation of the flat panel electronic device through 180 ° causes the left audio channel and the right audio channel to be played from the right side and correspondingly from the left side of the flat panel electronic device, the audio enjoyment of the user is still affected.

From the publication DE 10 2011 052 098 B3 For example, an entertainment electronics device is known which comprises a display device, a position detection unit providing an output signal corresponding to a rotation angle of the consumer electronics device around the center of the consumer electronics device, and at least four acoustic display units.

From the publication EP 1 124 175 A2 For example, there is known a display device comprising a display, an orientation-sensitive interface mechanism operable in first and second modes corresponding to respective first and second orientations of the display.

From the publication CN 1 00 524 196 C For example, a speaker system for a computer is known, comprising at least two speakers separately mounted on the frame of the computer, an azimuth detector mounted on the frame, an audio frequency driver to operate the speakers, and an audio frequency regulator.

From the publication US 2010/0008523 A1 For example, there is known a hand-held electronic device comprising a housing and a plurality of audio transducers contained in the housing and spaced from one another. The apparatus further includes an audio circuit configured to change an assignment of audio transmission or reception functions between the plurality of audio converters in response to a mechanical interaction of a user with the device.

From the publication EP 1 670 226 A1 For example, there is known a method of controlling stereo speakers disposed on the right and left sides of a hinge portion of a mobile station, respectively, wherein a slope and a direction of the mobile station are measured, and inclination and direction values of the mobile station to a volume selection unit of the mobile station Station are issued when the user of the mobile station tilts the mobile station.

From the publication WO 99/34643 A1 For example, a personal computer surround sound simulator is known which generates a simulated surround sound output signal having three or more output signal channels. The simulator includes a high-pass filter device configured to receive the two or more output signal channels from a PC and filter out low frequencies of the two or more output signal channels so that only high frequencies are passed to first and second front-side output channels connected to first and second output signal channels second front speakers are connected.

OVERVIEW

It is recognized herein that there is a need for a flat panel electronic device and audio playback device that overcomes at least some of the problems discussed above in the background and that can be effectively operated in power saving mode.

In order to solve the above problem, in one embodiment, an audio player for a flat panel electronic device is disclosed. The audio player includes an audio generator configured to generate a left audio channel and a right audio channel. The audio player further includes a plurality of speakers configured such that at least one pair of speakers of the plurality of speakers is symmetrically disposed on a left side and a right side of the flat panel electronic device in the installed state when the audio player is mounted on the audio player Flat panel electronic device is installed, regardless of how the flat panel electronic device is arranged. The audio player further includes a sensor capable of detecting a positional state of the flat panel electronic device in the installed state. Finally, the audio player further includes a controller configured to receive a detection signal from the sensor to drive the at least one pair of speakers, to play the left audio channel and the right audio channel according to the state of the flat panel electronic device.

In one embodiment, the plurality of speakers are configured such that multiple pairs of speakers of the plurality of speakers are arranged symmetrically on the left side and the right side of the flat panel electronic device in the installed state, regardless of how the flat panel electronic device is arranged.

In one embodiment, the audio player has a power saving mode, and wherein the controller is configured to drive only a pair of speakers of the multiple pairs of speakers so that the left audio channel and the right audio channel are respectively played in the power save mode.

In one embodiment, the multiple pairs of speakers include a first pair of speakers and a second pair of speakers, the left audio channel including a first left audio channel and a second left audio channel, and the right audio channel having a first right audio channel and a second right audio channel Audio channel, wherein the first pair of speakers are used respectively for playing the first left audio channel and the first right audio channel, and wherein the second pair of loudspeakers are used respectively for playing the second left audio channel and the second right audio channel.

In one embodiment, the audio player includes four speakers correspondingly disposed at four corners of the flat panel electronic device when installed.

In one embodiment, the controller includes a first multiplexer, a second multiplexer, and a controller. An input of the first multiplexer and an input of the second multiplexer receive the left audio channel and the right audio channel, respectively, and outputs of the first multiplexer and outputs of the second multiplexer are connected to each of the plurality of speakers. The control unit is configured to control the first multiplexer and the second multiplexer in accordance with the detection signal.

In one embodiment, the controller further includes a GPIO (general purpose input and output) over which the controller controls the first multiplexer and the second multiplexer.

In one embodiment, the first multiplexer and the second multiplexer are integrated in the audio generator.

In one embodiment, the audio playback device includes three speakers arranged at three corners of the flat panel electronic device in the installed state.

In one embodiment, the sensor is selected from the group consisting of: a 9-axis sensor, a 6-axis sensor, a gravity sensor, a magnetic sensor, and a gyroscope.

In another aspect, a flat panel electronic device is further provided. The flat panel electronic device has an audio player. The audio player includes an audio generator configured to generate a left audio channel and a right audio channel. The audio player further includes a plurality of speakers configured such that at least one pair of speakers of the plurality of speakers is symmetrically disposed on a left side and a right side of the flat panel electronic device, regardless of how the flat panel electronic device is placed. The audio player further includes a sensor that is designed to detect a positional state of the flat panel electronic device. Finally, the audio player further includes a controller configured to receive a detection signal from the sensor to control the at least one pair of speakers to play the left audio channel and the right audio channel according to the state of the flat panel electronic device ,

In one embodiment, the plurality of speakers are configured such that multiple pairs of speakers of the plurality of speakers are arranged symmetrically on the left side and the right side of the flat panel electronic device in the installed state, regardless of how the flat panel electronic device is arranged. In one embodiment, the audio player has a power saving mode, and wherein the controller is configured to drive only a pair of speakers of the multiple pairs of speakers so that the left audio channel and the right audio channel are respectively played in the power save mode.

In one embodiment, the multiple pairs of speakers include a first pair of speakers and a second pair of speakers, the left audio channel including a first left audio channel and a second left audio channel, and the right audio channel having a first right audio channel and a second right audio channel Audio channel, wherein the first pair of speakers are used respectively for playing the first left audio channel and the first right audio channel, and wherein the second pair of loudspeakers are used respectively for playing the second left audio channel and the second right audio channel.

In one embodiment, the audio player includes four speakers correspondingly disposed at four corners of the flat panel electronic device when installed.

In one embodiment, the controller includes a first multiplexer, a second multiplexer, and a controller. An input of the first multiplexer and an input of the second multiplexer receive the left audio channel and the right audio channel, respectively, and outputs of the first multiplexer and outputs of the second multiplexer are connected to each of the plurality of speakers. The control unit is configured to control the first multiplexer and the second multiplexer in accordance with the detection signal. In one embodiment, the controller further comprises a GPIO or "General-Purpose Input / Output" (ie, a port that is programmable as an input and usable for general purposes) over which the controller transmits the first multiplexer and the second Multiplexer controls.

In one embodiment, the first multiplexer and the second multiplexer are integrated in the audio generator.

In one embodiment, the audio playback device includes three speakers arranged at three corners of the flat panel electronic device in the installed state.

In one embodiment, the sensor is selected from the group consisting of a 9-axis sensor, a 6-axis sensor, a gravity sensor, a magnetic sensor, and a gyroscope.

Various embodiments of the audio player are capable of playing back the left audio channel and the right audio channel corresponding to the left and right ears according to the current state of the flat panel electronic device.

SHORT DESCRIPTION

Reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which:

1 Fig. 10 is a schematic block diagram of an embodiment of an audio player;

2A a schematic view of an embodiment of a flat panel electronic device is;

2 B is a schematic view of the flat panel electronic device that is in 2A is shown, wherein it is rotated by 90 ° clockwise;

2C a schematic view of the flat panel electronic device 2A which is rotated clockwise by 180 °;

2D a schematic view of the flat panel electronic device that is in 2A is shown when it is rotated 270 ° clockwise;

3 a schematic view of another embodiment of a flat panel electronic device is;

4 Fig. 12 is a schematic view of yet another embodiment of the flat panel electronic device;

5 Fig. 12 is a schematic view of yet another embodiment of a flat panel electronic device;

6 Fig. 12 is a schematic view of an embodiment of an audio player;

7 Fig. 10 is a schematic block diagram of another embodiment of an audio player; and

8th is a schematic block diagram of another embodiment of an audio playback device.

DETAILED DESCRIPTION

In the following explanation, details are given to provide a more thorough understanding of the invention. However, the invention may be practiced without one or more of these details, as will be apparent to those skilled in the art. Certain examples are presented without further explanation of technical features which are within the skill of the art to avoid confusion.

In one aspect, an audio player for a flat panel electronic device (hereinafter referred to as the audio player) is provided. In order to understand the audio player in construction, the audio player will first be used in conjunction with the 1 - 5 described. 1 FIG. 10 is a schematic block diagram of the audio player according to an embodiment. FIG. As in 1 is shown includes the audio player 100 an audio generator 110 , a sensor 120 , a controller 130 and several speakers 140 ,

The audio generator may be a device capable of generating the left audio channel and the right audio channel. The audio generator includes, without limitation, an audio codec. In one embodiment, as an audio generator 110 the audio codec processes the original audio signals, such as analog-to-digital conversion, digital signal processing, and digital-to-analog conversion to produce the left audio channel and the right audio channel.

The multiple speakers 140 are designed so that at least one pair of speakers of the multiple speakers 140 symmetrically corresponding to a left side and a right side of the flat panel electronic device 150 is arranged in the installed state when the audio player 100 on the flat panel electronic device 150 regardless of how the flat panel electronic device is mounted 150 is placed.

In one embodiment, as in FIGS 2A - 2D shown is the flat panel electronic device 150 four speakers 140A . 140B . 140C and 140D , As in 2A shown is a pair of speakers 140A and 140D symmetrical on the left side and the right side corresponding to the flat panel electronic device 150 arranged, and the other pair of speakers 140B and 140C are also symmetrical on the left side and the right side on the flat panel electronic device 150 attached, but the speakers 140A and 140D lie in different positions compared to the speakers 140B and 140C , In one embodiment, the speakers 140A and 140B to the lower and upper ends of the left side of the flat panel electronic device 150 be arranged, and the speakers 140C and 140D can be located at the appropriate positions on the right side of the flat panel electronic device 150 be arranged. In one embodiment, the speakers are 140A and 140B at the middle part of the left side of the flat panel electronic device 150 arranged, and the speakers 140C and 140D are at the appropriate positions on the right side of the flat panel electronic device 150 arranged. If the flat panel electronic device 150 Turned clockwise by 90 ° becomes the flat panel electronic device 150 placed as in 23 is shown. The speaker 140A and 140D are on the left side of the flat panel electronic device 150 arranged, and the speakers 140B and 140C are on the right side of the flat panel electronic device 150 arranged. If the flat panel electronic device 150 Turned clockwise by 180 °, the flat panel electronic device 150 placed as in 2C is shown. The speaker 140C and the speakers 140D are on the left side of the flat panel electronic device 150 arranged, and the speakers 140A and 140B are on the right side of the flat panel electronic device 150 arranged. If the flat panel electronic device 150 Turned clockwise by 270 °, the flat panel electronic device 150 placed as in 2D is shown. The speaker 140B and 140C are on the left side of the flat panel electronic device 150 arranged, and the speakers 140A and 140D are on the right side of the flat panel electronic device 150 arranged. The "left side" and "right side" mentioned above are intended to indicate the relative positional dependence of the plurality of speakers in the flat panel electronic device 150 indicating not only the left side edge and the right side edge of the flat panel electronic device 150 is included. In this arrangement, at least one pair of speakers may be the speaker 140A . 140B . 140C and 140D symmetrical on the left side and the right side of the flat panel electronic device 150 be arranged accordingly, regardless of how the flat panel electronic device 150 is arranged.

In one embodiment, the flat panel electronic device includes 150 four speakers 140A . 140B . 140C and 140D , These four speakers 140A . 140B . 140C and 140D can be arranged in a way as in 3 is shown. A pair of the four speakers 140A . 140B . 140C and 140D is symmetrical at the top and bottom of the flat panel electronic device 150 arranged in a positional state, in 3 is shown. For example, the speaker 140B and 140D symmetrical at the top and bottom of the flat panel electronic device 150 arranged. The other pair of the four speakers 140A . 140B . 140C and 140D ie the speakers 140A and 140C , are symmetrical on the left side and the right side of the flat panel electronic device 150 arranged. If the flat panel electronic device 150 is rotated clockwise by 90 °, 180 ° and 270 °, then at least one pair of speakers is capable of, on the left side and the right side of the flat panel electronic device 150 be arranged.

In a further embodiment, the flat panel electronic device 150 three speakers 140A . 140B and 140C have, as in 4 is shown. The three speakers 140A . 140B and 140C can be at three corners of the flat panel electronic device 150 be arranged. This arrangement can fulfill the above-mentioned purpose. Further, in other embodiments, more than four speakers, such as five, six or seven speakers, etc. are provided. For example, the in 5 shown arrangement are used when the flat panel electronic device 150 six speakers 140A . 140B . 140C . 140D . 140G and 140F having.

The number and arrangement of the speakers mentioned above are given for the purpose of illustration only. In practice, the skilled artisan can appropriately arrange the plurality of speakers in view of various aspects such as the actual situation and the cost, etc.

The sensor 120 is formed, the state of the flat-panel electronic device 150 in the installed state when the audio player 100 on the flat panel electronic device 150 is installed. Many users always place the flat panel electronic device 150 in different ways according to the actual needs and / or according to their personal habits in the application, such as in the 2A - 2D is shown. The different positional states can cause the positions of the speakers 140A . 140B . 140C and 140D be changed, as mentioned above. Therefore, a sensor capable of detecting the conditions of the flat panel electronic device 150 in real time, with the audio player 100 to be provided. For example, the sensor may be selected from the group consisting of a 9-axis sensor, a 6-axis sensor, a gravity sensor, a magnetic sensor, and a gyroscope. These sensors are essential to the standard configuration of the flat panel electronic device in the prior art, and therefore the cost can be reduced by using the one or more components included in the flat panel electronic device as part of the audio player 100 to serve.

The control 130 receives a detection signal from the sensor 120 to the at least a pair of speakers 140 to control so that the left audio channel and the right audio channel according to the state of the flat panel electronic device 150 be played. For example, as in 2A shown is the controller 130 the speaker 140A and 140B to play the left audio channel, and the speakers 140C and 140D to play the right audio channel. In the in 2 B shown position state, the controller 130 speaker 140A and 140D to play the left audio channel, and the speakers 140B and 140C to play the right audio channel. The control 130 controls various speakers 140 so that the left audio channel and the right audio channel coming from the audio generator 110 be selectively played according to the detection signal, so that the first part of the plurality of speakers 140 the left audio channel and the second part of the multiple speakers 140 plays the right audio channel. It should be noted that in one embodiment, the multiple speakers 140 all are in function when the audio signal is playing. In another embodiment, one or more of the speakers 140 does not work when the audio signal is playing. For example, where appropriate in the in 2A shown situation only the speakers 140B and 140C or the speakers 140A and 140D so driven to play the left audio channel and the right audio channel accordingly. Of course, all four speakers can be in function. In accordance with the disclosed description, one skilled in the art will understand how to select the speakers for playing the left audio channel and the right audio channel in other arrangements. Therefore, this will not be described in more detail here.

In one embodiment, the plurality of speakers are configured such that multiple pairs of speakers of the plurality of speakers are symmetrically located on the left side and the right side of the flat panel electronic device 150 are arranged in the installed state when the audio player 100 on the flat panel electronic device 150 is mounted, regardless of how that Flat-panel electronic device 150 is arranged. In the in the 2A - 2D In the embodiment shown, two pairs of loudspeakers are arranged respectively on the left side and the right side, regardless of how the flat panel electronic device 150 is arranged. In the in 5 In the embodiment shown, two or three pairs of loudspeakers are arranged correspondingly on the left side and the right side, regardless of how the flat panel electronic device 150 is arranged. Therefore, the output power of the sound is improved, and the stereo effect is improved in the case that the thickness of the flat panel electronic device does not increase. Further, in the aforementioned preferred embodiment, the audio player 100 have multiple modes because each page has multiple speakers. In one embodiment, the audio player 100 have a power saving mode. In energy-saving mode, the controller controls if necessary 130 just a pair of speakers of the several pairs of speakers 140 symmetrical to the left side and the right side of the flat panel electronic device 150 is arranged to play the left audio channel and the right audio channel accordingly. Thus, only a single pair of speakers is selected to play the left audio channel and the right audio channel accordingly when the environment is quiet. Thus, energy is saved.

Further, the provision of multiple speakers on each side may include the audio player 100 with sound effects and an advanced mode, such as a bass boost mode and / or an enhanced surround sound mode, etc. These are described in more detail below. Of course, the audio player 100 have other modes, which are not explained herein for the sake of simplicity.

In one embodiment, as in 2A As shown, the multiple pairs of speakers may include a first pair of speakers 140A and 140D and a second pair of speakers 140B and 140C include. Thus, the left audio channel may include a first left audio channel and a second left audio channel, and the right audio channel may include a first right audio channel and a second right audio channel. In one embodiment, the second left audio channel and the second right audio channel may be a bass boost component to enhance the original sound producing effect. In another embodiment, the second left audio channel and the second right audio channel may respectively be a left audio channel for surround sound and a right audio channel for surround sound, so that the stereo effect becomes more realistic. In one embodiment, the first pair of speakers 140A and 140D for playing the first left audio channel and corresponding to the first right audio channel, and the second pair of speakers 140B and 140C used to play the second left audio channel and corresponding to the second right audio channel. The hearing is improved as the first pair of speakers 140A and 140D and the second pair of speakers 140B and 140C the sound signals with suitable frequency ranges can play. Note that if the flat panel electronic device is the first pair of speakers and the second pair of speakers should match other speakers 150 in other situations.

As in 2A - 2D is shown includes the audio player 100 preferably four speakers 140A . 140B . 140C and 140D , and the four speakers 140A . 140B . 140C and 140D are at four corners of the flat panel electronic device 150 arranged when the audio player 100 on the flat panel electronic device 150 is installed. In this arrangement, it is achieved that the two pairs of loudspeakers on the left side and the right side are arranged correspondingly, regardless of how the flat panel electronic device is arranged. In this way, the audio player may have a plurality of playback modes, such as the power save mode and the mode to play everything, etc. Further, the number of speakers is minimized provided that the above functions are achieved. Thus, the cost can be reduced, and the speakers can be fully utilized.

In a preferred embodiment, as in 4 is shown, the audio player 100 three speakers 140A . 140B and 140C at three corners of the flat panel electronic device 150 are arranged accordingly when the audio player 100 on the flat panel electronic device 150 is installed. In this arrangement, a pair of speakers will respectively play the left audio channel and the right audio channel, regardless of how the flat panel electronic device is placed. Listeners can experience stereo effects, and the cost is lower due to the lower number of speakers. Further, the third speaker, such as the speaker 140A in the 4 shown situation, either for the bass boost or for playing the mix of the left audio channel and the right audio channel are used to achieve different hearing effects.

The following is the description of an audio player 100 according to 6 , It is mainly the control here 130 that are in the audio playback device 100 is described in detail.

As in 6 shown includes the controller 130 a control unit 131 , a first multiplexer 132 and a second multiplexer 133 , An input of the first multiplexer 132 and an input of the second multiplexer 133 receive correspondingly the left audio channel and the right audio channel from the audio generator 110 , Outputs of the first multiplexer 132 and outputs of the second multiplexer 133 are with each of the multiple speakers 140A . 140B . 140C and 140D connected. The control unit 131 is formed, the first multiplexer 132 and the second multiplexer 133 in accordance with the detection signal to control at least a pair of speakers of the plurality of speakers 140 to play the left audio channel and correspondingly the right audio channel. In one embodiment, the control unit 131 an original audio signal digital to the audio generator 110 send. The audio generator 110 receives this digital signal and converts it to an analog signal to produce the left audio channel and the right audio channel. In other embodiments, the left audio channel and the right audio channel may be directly from the audio generator 110 be generated when a command from the control unit 130 or obtained from the user. In one embodiment, the controller includes 130 also a GPIO (input / output for general purposes) 134 , The GPIO 134 can in the control unit 131 be integrated. The control unit 131 controls the first multiplexer 132 and the second multiplexer 133 via the GPIO 134 , In the case of the audio player 100 four speakers 140A . 140B . 140C and 140D contains, the GPIO 134 a first GPIO 134A and a second GPIO 134B exhibit. For example, the control unit 131 the first GPIO 134A and the second GPIO 134B to output 00, 01, 10 or 11 according to the detection signal. The first multiplexer 132 can unlock the loudspeaker (s) to play the left audio channel and can turn off the loudspeaker (s) to play the right audio channel according to the control signal supplied by the GPIO 134 is issued. The second multiplexer 132 can disable the speaker (s) to play the right audio channel and can turn off the speaker (s) to play the left channel, according to the control signal supplied by the GPIO 134 is issued. For example, if the GPIO 134 00, then the first GPIO 134A only the speakers 140A and 140B Unlock to play the left audio channel while the second GPIO 134B only the speakers 140C and 140D to turn it on for playing the right audio channel. For example, the control unit 131 be a separate controller. In a further embodiment, the control unit 131 also be integrated into the SOC (system-on-a-chip).

You realize that the controller 130 can also have other configurations. 7 shows a schematic block diagram of an audio player 100 ' a further embodiment. The audio player 100 ' is essentially the same as the audio player 100 , in the 6 is shown. The difference between these is that the control unit 131 a control signal corresponding to the detection signal from the sensor 120 generated and the control signal to the GPIO 134 via the audio generator 110 sends. The GPIO 134 can in the audio generator 107 be integrated. In one embodiment, the control unit is 131 integrated into the SOC and the SOC can send the control signal to the audio generator 110 send through I2C / SPI.

A schematic block diagram of an audio player 100 '' a preferred embodiment is in 8th shown. The audio player 100 '' is basically the same as the audio player 100 ' , in the 7 is shown. The difference between these is that the first multiplexer 132 and the second multiplexer 133 the audio player 100 '' , in the 8th is shown in the audio generator 110 are integrated. This arrangement is more suitable for the case where the multiple pairs of speakers are arranged symmetrically, as in the embodiments of FIGS 2A - 2D and 5 is shown. In this case, by integrating the first multiplexer 132 and the second multiplexer 133 into the audio generator 110 the multiple speakers on each page play different parts of the audio signal accordingly. For example, a pair of speakers of the multiple speakers can play a bass boost, so that the hearing can be improved. In the case of the controller 131 the first multiplexer 132 and the second multiplexer 133 via the GPIO (not shown) controls, the GPIO in the audio generator 110 be integrated. Furthermore, other components that are in control 130 are included, also in the generator 110 be integrated.

There is further provided a flat panel electronic device.

With reference to 2A - 2D and 3 - 5 includes the flat panel electronic device 150 an audio player described above. In an embodiment, the audio player comprises 100 an audio generator 110 , several speakers 140 , a sensor 120 and a controller 130 , Each component included in the audio player is in the Description of the corresponding part previously mentioned. Therefore, these components will not be described here for the sake of simplicity.

In summary, the audio player is capable of playing the left audio channel and the right audio channel corresponding to the left and right ears and according to the current state of the flat panel electronic device.

Embodiments of the present invention include the following concepts:

Concept 1. An audio player for a flat panel electronic device comprising (i) an audio generator configured to generate a left audio channel and a right audio channel, (ii) a plurality of speakers configured to connect at least one pair Loudspeakers of the plurality of speakers are arranged symmetrically on a left side and a right side of the flat panel electronic device in the installed state when the audio player is mounted on the flat panel electronic device correspondingly, regardless of how the flat panel electronic device is arranged (iii and a controller configured to receive a detection signal from the sensor to drive the at least one pair of loudspeakers left audio channel and the right audio channel according to the state of the flat panel E Lektronikgeräts play accordingly.

Concept 2. The audio player according to Concept 1, wherein the plurality of speakers are configured such that multiple pairs of speakers of the plurality of speakers are arranged symmetrically on the left side and the right side of the flat panel electronic device in the installed state, regardless of whether how the flat panel electronic device is arranged.

Concept 3. The audio playback device according to Concept 2, wherein the audio playback device has a power saving mode, and wherein the controller is capable of driving only a pair of speakers of the plurality of pairs of speakers, the left audio channel, and corresponding the right audio channel in energy-saving mode.

Concept 4. The audio playback device of Concept 2, wherein the multiple pairs of speakers comprises a first pair of speakers and a second pair of speakers, the left audio channel comprising a first left audio channel and a second left audio channel, and wherein the right audio channel a first right audio channel and a second right audio channel, and wherein the first pair of speakers for playing the first left audio channel and the first right audio channel and the second pair of speakers for playing the second left audio channel and the second right audio channel are used accordingly.

Concept 5. The audio playback device according to Concept 2, wherein the audio playback device comprises four loudspeakers arranged respectively at four corners of the flat panel electronic device in the installed state.

Concept 6. The audio playback device of Concept 1, wherein the controller includes a first multiplexer and a second multiplexer, wherein an input of the first multiplexer and an input of the second multiplexer respectively receive the left audio channel and the right audio channel, and outputs of the first multiplexer and outputs of the second multiplexer are connected to each of the plurality of speakers; and a control unit configured to control the first multiplexer and the second multiplexer in accordance with the detection signal.

Concept 7. The audio player of Concept 6, wherein the controller further comprises a GPIO (general purpose input and output) over which the controller controls the first multiplexer and the second multiplexer.

Concept 8. The audio player of Concept 6, wherein the first multiplexer and the second multiplexer are integrated into the audio generator.

Concept 9. The audio playback device according to Concept 1, wherein the audio playback device includes three speakers respectively arranged at three corners of the flat panel electronic device in the installed state.

Concept 10. The audio playback device of Concept 1, wherein the sensor is selected from the group consisting of a 9-axis sensor, a 6-axis sensor, a gravity sensor, a magnetic sensor, and a gyroscope.

Concept 11. A flat panel electronic device having an audio player, the audio player comprising (i) an audio generator configured to generate a left audio channel and a right audio channel, (ii) a plurality of speakers configured that at least one pair of speakers of the plurality of speakers is symmetrically disposed on a left side and a right side of the flat panel electronic device in the installed state when the audio player is mounted on the flat panel electronic device, regardless of how the flat panel electronic device (iii) a sensor configured to detect a positional state of the flat panel electronic device in the installed state; and (iv) a controller configured to receive a detection signal from the sensor around the at least one pair to control speakers, the left audio channel and the right audio channel correspond Hend the state of the flat panel electronic device accordingly play.

Concept 12. The flat panel electronic device according to Concept 11, wherein the plurality of speakers are configured such that multiple pairs of speakers of the plurality of speakers are arranged symmetrically on the left side and the right side of the flat panel electronic device in the installed state, regardless of how the flat panel electronic device is arranged.

Concept 13. The flat panel electronic device according to concept 12, wherein the audio player has a power-saving mode, and wherein the controller is capable of driving only a pair of speakers of the plurality of pairs of speakers, the left audio channel, and the right audio channel, respectively in energy-saving mode.

Concept 14. The flat panel electronic device according to concept 12, wherein the multiple pairs of speakers comprises a first pair of speakers and a second pair of speakers, the left audio channel comprising a first left audio channel and a second left audio channel, and wherein the right audio channel a first right audio channel and a second right audio channel, and wherein the first pair of speakers for playing the first left audio channel and the first right audio channel and the second pair of speakers for playing the second left audio channel and the second right audio channel are used accordingly.

Concept 15. The flat panel electronic device according to concept 12, wherein the audio player comprises four loudspeakers arranged respectively at four corners of the flat panel electronic device in the installed state.

Concept 16. The flat panel electronic device according to concept 11, wherein the controller includes a first multiplexer and a second multiplexer, wherein an input of the first multiplexer and an input of the second multiplexer respectively receive the left audio channel and the right audio channel, and outputs of the first multiplexer and outputs of the second multiplexer are connected to each of the plurality of speakers; and a control unit configured to control the first multiplexer and the second multiplexer in accordance with the detection signal.

Concept 17. The flat panel electronic device according to concept 16, wherein the controller further comprises a GPIO over which the controller controls the first multiplexer and the second multiplexer.

Concept 18. The flat panel electronic device according to concept 16, wherein the first multiplexer and the second multiplexer are integrated in the audio generator.

Concept 19. The flat panel electronic device according to concept 11, wherein the audio player includes three speakers respectively arranged at three corners of the flat panel electronic device in the installed state.

Concept 20. The flat panel electronic device according to concept 11, wherein the sensor is selected from the group consisting of a 9-axis sensor, a 6-axis sensor, a gravity sensor, a magnetic sensor, and a gyroscope.

The foregoing description is given by way of explanation with reference to specific embodiments. However, it is not intended that the foregoing illustrative explanations be exhaustive or that the invention be limited to the precise forms disclosed. Many modifications and variations are possible in light of the above techniques. The embodiments have been chosen and described to best explain the principles of the invention and its practical applications, to enable a person skilled in the art to best utilize the invention and various embodiments with various modifications as described for the specific application be considered appropriate.

One skilled in the art to which this application pertains recognizes that other and further additions, deletions, substitutions, and alterations can be made to the described embodiments.

Claims (9)

A flat panel electronic device having an audio player ( 100 ), wherein the audio playback device ( 100 ) comprises: an audio generator ( 110 ) configured to generate a left audio channel and a right audio channel, a sensor ( 120 ), which is formed, a positional state of the flat panel electronic device ( 150 ) including a portrait and landscape orientation, multiple speakers ( 140 ), which are designed so that at least one pair of loudspeakers ( 140 ) of the multiple speakers ( 140 ) symmetrically on a left side and a right side of the flat panel electronic device ( 150 ) with respect to a user when the audio player ( 100 ) on the flat panel electronic device ( 150 ), regardless of how the flat panel electronic device ( 150 ) is arranged, and a controller, which is formed, a detection signal from the sensor ( 120 ), and on the basis of the detection signal and a play mode of the audio player ( 100 ) the multiple speakers ( 140 ) so that the at least one pair of speakers ( 140 ) each of the left audio channel and the right audio channel according to the state of the flat panel electronic device ( 150 ) plays; the audio player ( 100 ) has a power-saving mode, and the controller is able to use only a pair of speakers ( 140 ) of the multiple speakers ( 140 ) to play the left audio channel and the right audio channel respectively in the power saving mode. The flat panel electronic device according to claim 1, wherein the plurality of speakers ( 140 ) are formed that multiple pairs of speakers ( 140 ) of the multiple speakers ( 140 ) symmetrically on the left side and the right side of the flat panel electronic device ( 150 ) are arranged in the installed state, regardless of how the flat panel electronic device ( 150 ) is arranged. The flat panel electronic device according to claim 2, wherein the multiple pairs of loudspeakers ( 140 ) a first pair of speakers ( 140 ) and a second pair of speakers ( 140 ), wherein the left audio channel comprises a first left audio channel and a second left audio channel, and wherein the right audio channel comprises a first right audio channel and a second right audio channel, and wherein the first pair of speakers ( 140 ) to play the first left audio channel and the first right audio channel and the second pair of speakers ( 140 ) for playing the second left audio channel and the second right audio channel respectively. The flat panel electronic device according to claim 2, wherein the play mode of the audio player ( 100 ) is selected from the group consisting of: a bass boost mode and a surround sound expansion mode. The flat panel electronic device according to claim 1, wherein the controller comprises: a first multiplexer ( 132 ) and a second multiplexer ( 133 ), wherein an input of the first multiplexer ( 132 ) and an input of the second multiplexer ( 133 ) receive the left audio channel and the right audio channel accordingly, and outputs of the first multiplexer ( 132 ) and outputs of the second multiplexer ( 133 ) with each of the multiple speakers ( 140 ) are connected; and a control unit, which is designed to control the first multiplexer ( 132 ) and the second multiplexer ( 133 ) according to the detection signal. The flat panel electronic device of claim 5, wherein the controller further comprises a GPIO ( 134 ) via which the control unit transmits the first multiplexer ( 132 ) and the second multiplexer ( 133 ) controls. The flat panel electronic device according to claim 5, wherein the first multiplexer ( 132 ) and the second multiplexer ( 133 ) into the audio generator ( 110 ) are integrated. The flat panel electronic device according to claim 1, wherein the audio player ( 100 ) three speakers ( 140 ) corresponding to three corners of the flat panel electronic device ( 150 ) are arranged in the installed state. The flat panel electronic device according to claim 1, wherein the sensor ( 120 ) is selected from the group consisting of: a 9-axis sensor, a 6-axis sensor, a gravity sensor, a magnetic sensor, and a gyroscope.

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