Laser television and sounding method thereof

Abstract

The invention relates to a laser television and a sounding method thereof, and relates to the technical field of laser televisions. The laser television comprises a main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit and a screen sound production board, and the first wireless communication module is configured to input an audio signal output by the main chip into the first audio processing circuit; the second wireless communication module is configured to input the control signal output by the main chip into the first audio processing circuit; a main chip configured to output a first audio signal and a first control signal in a first sound production mode, and output a second audio signal and a second control signal in a second sound production mode; and the first audio processing circuit is configured to output a first audio signal through a target oscillator in the plurality of to-be-selected oscillators under the control of the first control signal, or output a second audio signal through a first to-be-selected oscillator and a second to-be-selected oscillator in the plurality of to-be-selected oscillators under the control of the second control signal.

Description

Technical Field

[0001] The present application relates to the technical field of laser televisions, and in particular to a laser television and a sound generation method of the laser television. Background Art

[0002] The screen sound scheme of laser TV is realized by driving the vibrator set in the laser TV to vibrate. At present, in order to realize the multi-channel screen sound scheme, the audio processing circuits and vibrators corresponding to different channels and different sound modes are independently set in the laser TV. For example: in the laser TV, the audio processing circuits and vibrators corresponding to the left main channel, right main channel, center channel, left surround channel, right surround channel, left rear surround channel and right rear surround channel are set respectively.

[0003] However, in a laser TV that supports multiple channels and multiple sound modes, independently setting up audio processing circuits and vibrators corresponding to different channels and different sound modes will result in a large number of audio processing circuits and vibrators in the laser TV, thereby increasing the difficulty and cost of the manufacturing process of the laser TV. Summary of the invention

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a laser TV and a sound-generating method of a laser TV, so as to reduce the manufacturing process difficulty and manufacturing cost of the laser TV while enabling the laser TV to support multi-channel and multi-sound modes.

[0005] In order to achieve the above purpose, the technical solutions provided by the embodiments of the present application are as follows:

[0006] In a first aspect, a laser television is provided, comprising: a main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit, and a screen sound board, wherein the screen sound board is provided with a plurality of vibrators to be selected distributed at different positions;

[0007] The first wireless communication module is configured to input the audio signal output by the main chip into the first audio processing circuit;

[0008] The second wireless communication module is configured to input the control signal output by the main chip into the first audio processing circuit;

[0009] The main chip is configured to output a first audio signal and a first control signal in a first sound emission mode, and to output a second audio signal and a second control signal in a second sound emission mode;

[0010] The first audio processing circuit is configured to output the first audio signal through a target vibrator among the multiple vibrators to be selected under the control of a first control signal, or to output the second audio signal through a first vibrator to be selected and a second vibrator to be selected among the multiple vibrators to be selected under the control of a second control signal.

[0011] In a second aspect, a sound generation method of a laser TV is provided, which is applied to a laser TV host, and includes:

[0012] The laser TV comprises: a main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit and a screen sound board, wherein the screen sound board is provided with a plurality of vibrators to be selected distributed at different positions; the method further comprises:

[0013] When the sound emission mode of the laser TV is the first sound emission mode, a first audio signal and a first control signal are output through the main chip, the first audio signal is input into the first audio processing circuit through the first wireless communication module, and the first control signal is input into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the first audio signal through the target vibrator among the multiple vibrators to be selected under the control of the first control signal;

[0014] When the sound mode of the laser TV is the second sound mode, a second audio signal and a second control signal are output through the main chip, the second audio signal is input into the first audio processing circuit through the second wireless communication module, and the second control signal is input into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the second audio signal through the first to be selected vibrator and the second to be selected vibrator among the multiple to be selected vibrators under the control of the second control signal.

[0015] In a third aspect, the present application provides a computer-readable storage medium, including: a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the sound generation method of the laser television as described in the second aspect is implemented.

[0016] In a fourth aspect, the present application provides a computer program product, which includes a computer program. When the computer program is run on a computer, the computer implements the sound generation method of the laser television as described in the third aspect.

[0017] The laser TV provided in the embodiment of the present application includes: a main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit and a screen sound board, wherein the screen sound board is provided with a plurality of vibrators to be selected distributed at different positions. Among them, the main chip can output a first audio signal and a first control signal in a first sounding mode, and output a second audio signal and a second control signal in a second sounding mode, the first wireless communication module can input the audio signal output by the main chip into the first audio processing circuit, the second wireless communication module can input the control signal output by the main chip into the first audio processing circuit, and the first audio processing circuit can output the first audio signal through the target vibrator among the plurality of vibrators to be selected under the control of the first control signal, or output the second audio signal through the first vibrator to be selected and the second vibrator to be selected among the plurality of vibrators to be selected under the control of the second control signal. Since the first audio signal output by the main chip in the first sound mode and the second audio signal output in the second sound mode are both output through the first audio processing circuit and the vibrator among the multiple vibrators to be selected, the embodiment of the present application can reduce the number of audio processing circuits and vibrators in the laser TV by allowing the first sound mode and the second sound mode to share the audio processing circuit and the vibrator, thereby reducing the manufacturing process difficulty and manufacturing cost of the laser TV. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0020] Figure 1 A schematic diagram of the distribution of vibrators in a screen sound-generating board in the related art;

[0021] Figure 2 A schematic diagram of the distribution of vibrators on a screen sounding board provided in an embodiment of the present application;

[0022] Figure 3 This is a schematic diagram of the layer structure of a screen sound-generating plate in an embodiment of the present application;

[0023] Figure 4 One of the structural schematic diagrams of a laser TV provided in an embodiment of the present application;

[0024] Figure 5A second structural schematic diagram of a laser television provided in an embodiment of the present application;

[0025] Figure 6 The third structural diagram of a laser TV provided in an embodiment of the present application;

[0026] Figure 7 A fourth structural schematic diagram of a laser television provided in an embodiment of the present application;

[0027] Figure 8 A fifth structural diagram of a laser television provided in an embodiment of the present application;

[0028] Fig. 9 A schematic diagram of a sound generation method for a laser TV provided in an embodiment of the present application Figure 1 ;

[0029] Fig.10 A schematic diagram of a sound generation method for a laser TV provided in an embodiment of the present application Figure 2 ;

[0030] Fig.11 A schematic diagram of multiple image blocks obtained by segmenting a video image frame provided in an embodiment of the present application. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present application, but the present application may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present application, rather than all of the embodiments.

[0033] Usually, a laser TV consists of a laser TV host and a laser TV screen. The laser TV screen is provided with a screen sound board, in which a vibrator is provided. The laser TV screen drives the vibrator on the screen sound board to vibrate by receiving the digital audio signal sent by the laser TV host, thereby achieving screen sound.

[0034] Figure 1 Schematic diagram of the distribution of vibrators in a screen sound board in the related art. Figure 1As shown, the screen sound board 11 is provided with vibrators A, B, C, D, E, F and G, wherein vibrator A corresponds to the left surround channel, vibrator B corresponds to the left main channel, vibrator C corresponds to the center channel, vibrator D corresponds to the right main channel, vibrator E corresponds to the right main channel, vibrator F corresponds to the left rear surround channel and vibrator G corresponds to the right rear surround channel. When the laser TV plays a video including human voice, the human voice is output through the vibration of vibrators B, C and D.

[0035] In the embodiment of the present application, improvements are made to the distribution of vibrators on the screen sound board.

[0036] Figure 2 A schematic diagram of the distribution of vibrators on a screen sound board provided in an embodiment of the present application. Figure 2 As shown, the screen sound board 21 is provided with vibrators 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13. The vibrators 1 to 9 can be evenly distributed in different areas of the screen sound board 21 in the form of a 3×3 array. Figure 2 As shown in the vibrator distribution, two switchable sound emission modes are provided in the embodiment of the present application, namely: a first sound emission mode and a second sound emission mode.

[0037] Among them, the first sound mode is also called the sound-following-people mode. When the sound mode of the laser TV is the first sound mode, the laser TV will select the corresponding vibrator from the vibrators 1 to 9 in the screen sound board according to the location of the sound-emitting object (for example, a person), and drive the selected vibrator to vibrate through the center channel signal to output the sound emitted by the sound-emitting object. Vibrator 10 corresponds to the left surround channel, vibrator 11 corresponds to the right surround channel, vibrator 12 corresponds to the left rear surround channel, and vibrator 13 corresponds to the right rear surround channel. When the laser TV plays a video, the laser TV can drive vibrators 10 and 11 to vibrate through the audio signals of the left and right surround channels to output left and right surround channel signals, and drive vibrators 12 and 13 to vibrate through the audio signals of the left and right rear surround channels to output left and right rear surround channel signals. Among them, the surround channel signal and the rear surround channel signal can be the ambient sound, background sound, etc. in the video played by the laser TV, and there is no sound signal of the corresponding sound-emitting object in the video frame.

[0038] The second sound emission mode is also called the normal sound emission mode. When the sound emission mode of the laser TV is the second sound emission mode, the sound emission mode of vibrator 10, vibrator 11, vibrator 12 and vibrator 13 is the same as that in the first sound emission mode. To avoid redundancy, it will not be described in detail here. The main difference between the second sound emission mode and the first sound emission mode is that when the second sound emission mode contains the sound emitted by the corresponding sound-emitting object in the playing video frame, two vibrators will be selected from vibrators 1 to 9 as the vibrators corresponding to the left main channel and the right main channel, and the sound emitted by the corresponding sound-emitting object will be output by vibrating the vibrators corresponding to the left main channel and the right main channel. For example, vibrator 4 can be selected as the vibrator corresponding to the left main channel, and vibrator 6 can be selected as the vibrator corresponding to the right main channel, and the human voice in the video played by the laser TV can be output by the vibration of vibrators 4 and 6.

[0039] Based on the distribution of vibrators on the screen sound board of the above-mentioned laser TV, on the one hand, the human voice in the center channel can be played with the vibrator corresponding to the sound-emitting object among vibrators 1 to 9 to achieve the effect of sound following the movement of the person; on the other hand, the sound of the left main channel and the right main channel can be played with the help of vibrators 4 and 6 to achieve human voice playback in normal mode, thereby providing hardware guarantee for the laser TV to achieve flexible sound generation methods.

[0040] In the embodiment of the present application, improvements have also been made to the screen sound board. Figure 3 The schematic diagram of the layer structure of a screen sound board in the embodiment of the present application. The screen sound board may include: a first skin layer 211, a first adhesive film layer 212 located on the first skin layer 211, a honeycomb core layer 213 located on the first adhesive film layer 212, a second adhesive film layer 214 located on the honeycomb core layer 213, and a second skin layer 215 located on the second adhesive film layer 214, and the plurality of vibrators to be selected are mounted below the first skin layer 211.

[0041] For example, the above Figure 2 The layer structure of the screen sounding board 21 can be as follows Figure 3 As shown in the above Figure 2 The vibrators 1 to 13 shown in the figure can be mounted below the first skin layer 211 in the screen sound board 21 .

[0042] Exemplarily, the thickness of the first skin layer 211 and the second skin layer may be 0.12 mm.

[0043] Exemplarily, the thickness of the honeycomb core layer may be 0.03 mm.

[0044] Exemplarily, the thickness of the screen sounding board is less than or equal to 8 mm.

[0045] In some embodiments, the skin layer involved in the above-mentioned embodiments of the present application can be a skin layer made of a glass fiber surface as a skin material, and the density of the glass fiber surface is 209 grams per square meter (g / m2).

[0046] As shown in Table 1 below, Table 1 shows new parameters of the skin thickness, honeycomb core layer wall thickness and the thickness of the entire screen sounding board in the embodiment of the present application, as well as related old parameters already available in the related technology.

[0047] Table 1

[0048]

[0049] It can be seen from Table 1 that the thickness of the skin layer in the screen sounding board in the embodiment of the present application is 0.12 mm (mm), and the thickness of the old skin layer in the related art is 0.5 mm. The wall thickness of the honeycomb core layer in the embodiment of the present application is 0.03 mm, and the wall thickness of the old honeycomb core layer in the related art is 0.05 mm. The thickness of the screen sounding board in the embodiment of the present application is 8 mm, and the thickness of the old screen sounding board in the related art is 15 mm. It can be seen that the new parameters in the embodiment of the present application are compared with the old parameters in the related art, making the screen sounding board thinner and lighter.

[0050] Figure 4 A schematic diagram of the structure of a laser TV provided in an embodiment of the present application, wherein the laser TV includes a laser TV host 41 and a laser TV screen 42.

[0051] like Figure 4 As shown, the laser TV host 41 includes: a main chip 411, and a wireless transmitter 412 of a first wireless communication module and a wireless transmitter 413 of a second wireless communication module connected to the main chip 411. The laser TV screen 42 includes: a wireless receiver 421 of a first wireless communication module, a wireless transmitter 422 of a second wireless communication module, a first audio signal processing circuit 423, and a screen sound board 424 provided with a plurality of vibrators to be selected distributed at different positions. The wireless receiver 421 of the first wireless communication module is connected to the input end of the first audio signal processing circuit 423, the wireless receiver 422 of the second wireless communication module is connected to the control end of the first audio signal processing circuit 423, and the screen sound board 424 is connected to the output end of the first audio signal processing circuit 423.

[0052] The first wireless communication module is used to input the audio signal output by the main chip 411 into the first audio processing circuit 423. That is, the main chip 411 first inputs the audio signal into the wireless transmitting end 412 of the first wireless communication module, and then the wireless transmitting end 412 of the first wireless communication module sends the audio signal to the wireless receiving end 421 of the first wireless communication module, and finally the wireless receiving end 421 of the first wireless communication module inputs the audio signal into the input end of the first audio processing circuit 423.

[0053] In some embodiments, the first wireless communication module can support 5.2 GHz, that is, the first wireless communication module can convert the audio signal into a 5.2 GHz RF signal for transmission, and the audio signal can be a signal of the left and right main channels or the center channel.

[0054] The second wireless communication module is used to input the control signal output by the main chip 411 into the first audio processing circuit 423. That is, the main chip 411 first inputs the audio signal into the wireless transmitting end 413 of the second wireless communication module, and then the wireless transmitting end 413 of the second wireless communication module sends the audio signal to the wireless receiving end 422 of the second wireless communication module, and finally the wireless receiving end 422 of the second wireless communication module inputs the audio signal into the control end of the first audio processing circuit 423.

[0055] In some embodiments, the second wireless communication module can support 433 MHz, that is, the second wireless communication module can convert the control signal into a 433 MHz radio frequency signal for transmission.

[0056] In the embodiment of the present application, since the first wireless communication module supports 5.2 GHz and the second wireless communication module supports 433 MHz, when the radio frequency signal is transmitted simultaneously through the first wireless communication module and the second wireless communication module, due to the different frequencies, interference between the radio frequency signals transmitted by the two wireless communication modules can be avoided.

[0057] In some embodiments, the control signal may include an identification of the sound emission mode and a number of the vibrator.

[0058] The main chip 411 is used to output the first audio signal and the first control signal in the first sounding mode, and output the second audio signal and the second control signal in the second sounding mode. That is, in the first sounding mode, the main chip 411 will output the first audio signal and the first control signal, and input the first audio signal into the first audio circuit through the first wireless communication module, and input the first control signal into the first audio circuit through the second wireless communication module; in the second sounding mode, the main chip 411 will output the second audio signal and the second control signal, and input the second audio signal into the first audio circuit through the second wireless communication module, and input the second control signal into the first audio circuit through the second wireless communication module.

[0059] Exemplarily, the main chip may be chip MT9639.

[0060] The first audio processing circuit 423 is used to output the first audio signal through the target vibrator among the multiple vibrators to be selected under the control of the first control signal, or to output the second audio signal through the first vibrator to be selected and the second vibrator to be selected among the multiple vibrators to be selected under the control of the second control signal. That is, in the first sound emission mode, the first audio processing circuit 423 is used to output the first audio signal through the target vibrator among the multiple vibrators to be selected under the control of the first control signal, and in the second sound emission mode, the first audio processing circuit 423 is used to output the second audio signal through the first vibrator to be selected and the second vibrator to be selected among the multiple vibrators to be selected under the control of the second control signal.

[0061] The laser TV provided in the above embodiment includes: a main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit and a screen sound board, wherein the screen sound board is provided with a plurality of vibrators to be selected distributed at different positions. Among them, the main chip can output a first audio signal and a first control signal in a first sounding mode, and output a second audio signal and a second control signal in a second sounding mode, the first wireless communication module can input the audio signal output by the main chip into the first audio processing circuit, the second wireless communication module can input the control signal output by the main chip into the first audio processing circuit, and the first audio processing circuit can output the first audio signal through the target vibrator among the plurality of vibrators to be selected under the control of the first control signal, or output the second audio signal through the first vibrator to be selected and the second vibrator to be selected among the plurality of vibrators to be selected under the control of the second control signal. Since the first audio signal output by the main chip in the first sound mode and the second audio signal output in the second sound mode are both output through the first audio processing circuit and the vibrator among the multiple vibrators to be selected, the embodiment of the present application can reduce the number of audio processing circuits and vibrators in the laser TV by allowing the first sound mode and the second sound mode to share the audio processing circuit and the vibrator, thereby reducing the manufacturing process difficulty and manufacturing cost of the laser TV.

[0062] In some embodiments, the main chip 411 is also configured to: when the sound mode of the laser TV is the first sound mode, obtain the video image frame displayed by the laser TV; divide the video image frame into multiple image blocks according to the distribution positions of the multiple vibrators to be selected in the screen sound panel; if facial features of a living organism are identified from a target image block among the multiple image blocks, capture the facial image of the living organism in the target image block; if it is determined that the corresponding living organism in the facial image of the living organism has a sound action by identifying the key points of the mouth in the facial image of the living organism, then determine the vibrator to be selected corresponding to the target image block as the target vibrator.

[0063] In some embodiments, Figure 4 Based on the laser TV shown, refer to Figure 5 As shown, the first audio processing circuit 423 includes: a first power amplifier 4231 , a first analog switch 4232 and a second analog switch 4233 .

[0064] The first power amplifier 4231 is configured to amplify the first audio signal based on the first audio processing parameter under the control of the first control signal to obtain a first audio signal to be output, and to amplify the second audio signal based on the second audio processing parameter under the control of the second control signal to obtain a second audio signal to be output. That is, the first power amplifier 4231 is used to amplify the first audio signal based on the first audio processing parameter in the first sound emission mode, and to amplify the second audio signal based on the second audio processing parameter in the second sound emission mode.

[0065] In some embodiments, the audio processing parameters include but are not limited to at least one of the following parameters: number of channels, output power, maximum output voltage, and maximum output current.

[0066] Usually, different audio processing parameters are set for different channels to achieve an amplification effect that matches each channel. Therefore, in the embodiment of the present application, different audio processing parameters are configured for the first audio signal and the second audio signal.

[0067] The first analog switch 4232 is configured to input the first audio signal to be output to the target vibrator under the control of the first control signal, so as to output the first audio signal to be output through the target vibrator. In some embodiments, the first analog switch 4232 may include an analog switch corresponding to each of the multiple vibrators to be selected, and inputting the first audio signal to be output to the target vibrator includes: turning on the module switch corresponding to the target vibrator, and turning off other analog switches except the module switch corresponding to the target vibrator.

[0068] The second analog switch 4233 is configured to input the second audio signal to be output into the first vibrator to be selected and the second vibrator to be selected under the control of the second control signal, so as to output the second audio signal to be output through the first vibrator to be selected and the second vibrator to be selected. In some embodiments, the first analog switch 4232 may include analog switches corresponding to the first vibrator to be selected and the second vibrator to be selected, and inputting the second audio signal to be output into the first vibrator to be selected and the second vibrator to be selected includes: turning on the analog switches corresponding to the first vibrator to be selected and the second vibrator to be selected.

[0069] In some embodiments, Figure 4 or Figure 5 Based on the laser TV shown, refer to Figure 6As shown, the laser TV host 41 also includes: a wireless communication module 414 of a third wireless communication module; the laser TV screen 42 also includes: a wireless receiving module 425 of the third wireless communication module and a second audio processing circuit 426. The screen sound board 424 is also provided with a left surround vibrator (vibrator 10), a right surround vibrator (vibrator 11), a left rear surround vibrator (vibrator 12) and a right rear surround vibrator (vibrator 13).

[0070] The main chip 411 is further configured to output a third audio signal and a fourth audio signal. It should be noted that the main chip 411 can output the third audio signal and the fourth audio signal in either the first sound emission mode or the second sound emission mode.

[0071] The third wireless communication module is configured to input the third audio signal and the fourth audio signal into the second audio processing circuit. That is, the main chip 411 first inputs the third audio signal and the fourth audio signal into the wireless transmitting end 414 of the third wireless communication module, and then the wireless transmitting end 414 of the third wireless communication module sends the audio signal to the wireless receiving end 425 of the third wireless communication module, and finally the wireless receiving end 425 of the third wireless communication module inputs the audio signal into the input end of the second audio processing circuit 426.

[0072] In some embodiments, the third wireless communication module can support 5.8 GHz, that is, the third wireless communication module can convert the audio signal into a 5.8 GHz MHz radio frequency signal for transmission.

[0073] The second audio processing circuit 426 is configured to output the third audio signal through the left surround vibrator and the right surround vibrator, and to output the fourth audio signal through the left rear surround vibrator and the right rear surround vibrator.

[0074] In the laser TV provided by the above embodiment, the first digital audio signal of the left and right surround channels and the third audio signal and the fourth audio signal of the left and right rear surround channels can also be transmitted between the laser TV host and the laser TV screen, and the processed third audio signal (the third audio signal to be output) is sent to the left surround vibrator and the right surround vibrator, and the processed fourth audio signal (the fourth audio signal to be output) is sent to the left rear surround vibrator and the right rear surround vibrator, so that the left surround vibrator, the right surround vibrator, the left rear surround vibrator and the right rear surround vibrator can be driven to vibrate to play surround sound, thereby achieving a multi-channel sound effect.

[0075] In some embodiments, Figure 6 Based on the laser TV shown, refer to Figure 7As shown, the second audio processing circuit 426 includes: a second power amplifier 4261 and a third power amplifier 4262 .

[0076] The second power amplifier 4261 is configured to amplify the third audio signal to obtain a third audio signal to be played, and input the third audio signal to be output into the left surround vibrator and the right surround vibrator to output the third audio signal to be output through the left surround vibrator and the right surround vibrator;

[0077] The third power amplifier 4262 is configured to amplify the fourth audio signal to obtain a fourth audio signal to be played, and to input the fourth audio signal to be output into the left rear surround vibrator and the right rear surround vibrator to output the fourth audio signal to be output through the left rear surround vibrator and the right rear surround vibrator.

[0078] In some embodiments, the main chip 411 is connected to the wireless transmitter 412 of the first wireless communication module through a first integrated circuit built-in audio bus (Inter-ICSound, I2S) interface, the main chip is connected to the second wireless communication module 413 through a bidirectional two-wire synchronous serial bus (Inter-Integrated Circuit, I2C) interface or a USB interface, and the main chip is connected to the wireless transmitter 414 of the third wireless communication module through a second I2S interface and a third I2S interface; the main chip 411 is specifically configured to send the first audio signal or the second audio signal to the wireless transmitter 412 of the first wireless communication module through the first I2S interface, send the first control signal or the second control signal to the wireless transmitter 413 of the second wireless communication module through the I2S interface or the USB interface, send the third audio signal to the wireless transmitter 414 of the third wireless communication module through the second I2S interface, and send the fourth audio signal to the wireless transmitter 414 of the third wireless communication module through the third I2S interface.

[0079] I2S is a bus standard developed for audio data transmission between digital audio devices. It uses independent wires to transmit clock and data signals. By separating data and clock signals, distortion caused by time difference is avoided.

[0080] I2C refers to the I2C bus, which is a simple, bidirectional, two-wire synchronous serial bus that only needs two wires to transmit information between devices connected to the bus. In terms of hardware, the I2C interface has been integrated into the chip, and no special interface circuit is required. In addition, the filter of the on-chip interface circuit can filter out the burrs on the bus data. Therefore, the I2C bus simplifies the hardware circuit wiring, reduces system costs, and improves system reliability.

[0081] It should be noted that the first I2C interface, the second I2C interface, and the third I2C interface involved in the embodiments of the present application are all I2C interfaces, and the descriptions of "first", "second", etc. here are to distinguish different I2C interfaces.

[0082] In some embodiments, Figure 7 Based on the laser TV shown, refer to Figure 8 As shown, the laser TV host 41 also includes: a mainboard 410; the main chip 411 and the wireless transmitter 413 of the second wireless communication module are both arranged in the mainboard 410. The laser TV screen 42 also includes: a sound board 420, on which a step-down chip 427 is also arranged, and the step-down chip 427 can be connected to a power adapter. The wireless receiver 422 of the second wireless communication module, the first audio processing circuit 423 and the second audio processing circuit 426 in the laser TV screen 41 are all arranged in the sound board 420.

[0083] The step-down chip 427 may be a direct current (DCDC) chip, which may convert an input 19V voltage into a 3.3V voltage, thereby achieving voltage reduction.

[0084] Among them, the above-mentioned power adapter can convert 220V AC power into 19V DC power to supply the DCDC chip on the speaker board. The DCDC chip can convert the input 19V voltage into 3.3V voltage, thereby powering the various power amplifiers and wireless modules on the sound board.

[0085] based on Figure 4 The laser television shown in the embodiment of the present application also provides a sound generation method of the laser television, referring to Figure 8 As shown, the sound generation method of the laser TV includes the following steps:

[0086] S901. Determine the sound mode of the laser TV.

[0087] In some embodiments, a mode selection interface or a physical button for mode selection may be provided in the laser TV host for the user to select a sound mode.

[0088] For example: a selection control corresponding to the first sound mode and a selection control corresponding to the second sound mode can be configured in the mode selection interface. When the user inputs a touch operation to the selection control corresponding to the first sound mode, the sound mode of the laser TV is determined to be the first sound mode. When the user inputs a touch operation to the selection control corresponding to the second sound mode, the sound mode of the laser TV is determined to be the second sound mode.

[0089] As another example: a switch control corresponding to the first sound mode can be configured in the mode selection interface. When the user turns on the switch control corresponding to the first sound mode, the sound mode of the laser TV is determined to be the first sound mode. When the user turns off the switch control corresponding to the first sound mode, the sound mode of the laser TV is determined to be the second sound mode.

[0090] In the above step S901, if it is determined that the sound emission mode of the laser TV is the first sound emission mode, the following step S902 is performed:

[0091] S902. Output a first audio signal and a first control signal through the main chip, input the first audio signal into the first audio processing circuit through the first wireless communication module, and input the first control signal into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the first audio signal through a target vibrator among the multiple vibrators to be selected under the control of the first control signal.

[0092] In some embodiments, the first audio signal may be an audio signal of a center channel, and the first control signal may include the first sound emission mode and the vibrator number of the target vibrator.

[0093] In the above step S901, if it is determined that the sound emission mode of the laser TV is the second sound emission mode, the following step S903 is performed:

[0094] S903. Output a second audio signal and a second control signal through the main chip, input the second audio signal into the first audio processing circuit through the second wireless communication module, and input the second control signal into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the second audio signal through the first to be selected vibrator and the second to be selected vibrator among the multiple to be selected vibrators under the control of the second control signal.

[0095] In some embodiments, the second audio signal may be an audio signal of a left or right main channel, and the second control signal may include the second sound emission mode, the vibrator number of the first vibrator to be selected, and the vibrator number of the second vibrator to be selected.

[0096] The sound emission method of the laser TV provided in the embodiment of the present application can, when the sound emission mode of the laser TV is the first sound emission mode, output a first audio signal and a first control signal through the main chip, input the first audio signal into the first audio processing circuit through the first wireless communication module, and input the first control signal into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the first audio signal through the target vibrator among the multiple vibrators to be selected under the control of the first control signal; when the sound emission mode of the laser TV is the second sound emission mode, output a second audio signal and a second control signal through the main chip, input the second audio signal into the first audio processing circuit through the second wireless communication module, and input the second control signal into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the second audio signal through the first vibrator to be selected and the second vibrator to be selected among the multiple vibrators to be selected under the control of the second control signal. Since the first audio signal output by the main chip in the first sound mode and the second audio signal output in the second sound mode are both output through the first audio processing circuit and the vibrator among the multiple vibrators to be selected, the embodiment of the present application can reduce the number of audio processing circuits and vibrators in the laser TV by allowing the first sound mode and the second sound mode to share the audio processing circuit and the vibrator, thereby reducing the manufacturing process difficulty and manufacturing cost of the laser TV.

[0097] As an extension and refinement of the above embodiment, the present application embodiment provides another method for emitting sound from a laser television, referring to Fig.10 As shown, the sound generation method of the laser TV includes the following steps:

[0098] S101, determining the sound mode of the laser TV.

[0099] In the above step S101, if the sound emission mode of the laser TV is the first sound emission mode, the following steps S102 to S106 are executed:

[0100] S102: Acquire a video image frame displayed by the laser television.

[0101] S103 . Divide the video image frame into a plurality of image blocks according to the distribution positions of the plurality of vibrators to be selected in the screen sound emitting board.

[0102] For example, refer to Fig.11 As shown, Fig.11In the figure, the multiple vibrators to be selected are 9 vibrators to be selected (vibrator 1 to vibrator 9), and the 9 vibrators to be selected are evenly distributed on the screen sound board in the form of a 3×3 array. According to the distribution positions of the 9 vibrators to be selected in the screen sound board, the video image frame 110 can be divided into 9 image blocks (image block A to image block I).

[0103] S104: If facial features of a living being are recognized from a target image block among the multiple image blocks, a facial image of the living being in the target image block is captured.

[0104] As described in the above embodiment, if the facial features of a living being are recognized in the image block E among the nine image blocks, the facial image of the living being in the image block E is captured.

[0105] S105: If it is determined that the corresponding living body in the living body facial image has a vocalization action by identifying the mouth key points in the living body facial image, the candidate vibrator corresponding to the target image block is determined as the target vibrator.

[0106] As described in the above embodiment, since the vibrator corresponding to the image block E is the vibrator 5, if it is determined that the organism corresponding to the organism facial image in the image block E has a vocal action by identifying the mouth key points in the organism facial image, the vibrator 5 is determined as the target vibrator.

[0107] S106. Output a first audio signal and a first control signal through the main chip, input the first audio signal into the first audio processing circuit through the first wireless communication module, and input the first control signal into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the first audio signal through a target vibrator among the multiple vibrators to be selected under the control of the first control signal.

[0108] In the above step S101, if the sound emission mode of the laser TV is the second sound emission mode, the following step S107 is executed:

[0109] S107. Output a second audio signal and a second control signal through the main chip, input the second audio signal into the first audio processing circuit through the second wireless communication module, and input the second control signal into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the second audio signal through the first to be selected vibrator and the second to be selected vibrator among the multiple to be selected vibrators under the control of the second control signal.

[0110] In some embodiments, under the control of a first control signal, outputting the first audio signal through a target vibrator among the multiple vibrators to be selected includes: under the control of the first control signal, amplifying the first audio signal based on a first audio processing parameter to obtain a first audio signal to be output, and under the control of the first control signal, inputting the first audio signal to be output into the target vibrator to output the first audio signal to be output through the target vibrator.

[0111] In some embodiments, under the control of a second control signal, the second audio signal is output through a first to be selected vibrator and a second to be selected vibrator among the multiple to be selected vibrators, including: under the control of the second control signal, amplifying the second audio signal based on a second audio processing parameter to obtain a second to be output audio signal, and under the control of the second control signal, inputting the second to be output audio signal into the first to be selected vibrator and the second to be selected vibrator to output the second to be output audio signal through the first to be selected vibrator and the second to be selected vibrator.

[0112] In some embodiments, the embodiments of the present application provide a sound-generating method for a laser TV, further comprising: outputting a third audio signal and a fourth audio signal through the main chip output, inputting the third audio signal and the fourth audio signal into a second audio processing circuit; outputting the third audio signal through a left surround vibrator and a right surround vibrator, and outputting the fourth audio signal through a left rear surround vibrator and a right rear surround vibrator.

[0113] In some embodiments, outputting the third audio signal through the left surround vibrator and the right surround vibrator includes: amplifying the third audio signal to obtain a third audio signal to be played, and inputting the third audio signal to be output into the left surround vibrator and the right surround vibrator to output the third audio signal to be output through the left surround vibrator and the right surround vibrator.

[0114] In some embodiments, outputting the fourth audio signal through a left rear surround vibrator and a right rear surround vibrator includes: amplifying the fourth audio signal to obtain a fourth audio signal to be played, and inputting the fourth audio signal to be output into the left rear surround vibrator and the right rear surround vibrator to output the fourth audio signal to be output through the left rear surround vibrator and the right rear surround vibrator.

[0115] In some embodiments, inputting the first audio signal or the second audio signal into the first audio processing circuit includes: sending the first audio signal or the second audio signal to a wireless transmitter of the first wireless communication module through the first I2S interface.

[0116] In some embodiments, inputting the first control signal or the second control signal into the first audio processing circuit includes: sending the first control signal or the second control signal to the wireless transmitting end of the second wireless communication module through the I2S interface or the USB interface.

[0117] In some embodiments, inputting the third audio signal and the fourth audio signal into the second audio processing circuit includes: sending the third audio signal to the wireless transmitter of the third wireless communication module through the second I2S interface, and sending the fourth audio signal to the wireless transmitter of the third wireless communication module through the third I2S interface.

[0118] An embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the various processes of the sound-emitting method of the above-mentioned laser TV are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0119] The computer readable storage medium may be a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0120] The present application provides a computer program product, which includes a computer program. When the computer program is run on a computer, the computer implements the above-mentioned sound generation method of the laser television.

[0121] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above discussion in some embodiments is not intended to be exhaustive or limit the embodiments to the specific forms disclosed above. According to the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A laser television, characterized in that: include: A main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit and a screen sound board, wherein the screen sound board is provided with a plurality of vibrators to be selected distributed at different positions; The first wireless communication module is configured to input the audio signal output by the main chip into the first audio processing circuit; The second wireless communication module is configured to input the control signal output by the main chip into the first audio processing circuit; The main chip is configured to output a first audio signal and a first control signal in a first sound emission mode, and to output a second audio signal and a second control signal in a second sound emission mode; The first audio processing circuit is configured to output the first audio signal through a target vibrator among the multiple vibrators to be selected under the control of a first control signal, or to output the second audio signal through a first vibrator to be selected and a second vibrator to be selected among the multiple vibrators to be selected under the control of a second control signal.

2. The laser TV according to claim 1, characterized in that: The main chip is further configured as: When the sound emission mode of the laser television is the first sound emission mode, obtaining a video image frame displayed by the laser television; Dividing the video image frame into a plurality of image blocks according to the distribution positions of the plurality of vibrators to be selected in the screen sound emitting board; If facial features of a living being are recognized from a target image block among the plurality of image blocks, capturing a facial image of the living being in the target image block; If it is determined that the corresponding organism in the facial image of the organism has a vocalization action by identifying the key points of the mouth in the facial image of the organism, the candidate vibrator corresponding to the target image block is determined as the target vibrator.

3. The laser TV according to claim 1, characterized in that: The first audio processing circuit includes: a first power amplifier and a first analog switch; The first power amplifier is configured to amplify the first audio signal based on a first audio processing parameter under the control of the first control signal to obtain a first audio signal to be output; The first analog switch is configured to input the first audio signal to be output into the target vibrator under the control of the first control signal, so as to output the first audio signal to be output through the target vibrator.

4. The laser TV according to claim 3, characterized in that: The first audio processing circuit includes: a second analog switch; The first power amplifier is further configured to, under the control of the second control signal, amplify the second audio signal based on a second audio processing parameter to obtain a second audio signal to be output; The second analog switch is configured to input the second audio signal to be output into the first vibrator to be selected and the second vibrator to be selected under the control of the second control signal, so as to output the second audio signal to be output through the first vibrator to be selected and the second vibrator to be selected.

5. The laser TV according to any one of claims 1 to 4, characterized in that: The laser TV further includes: a third wireless communication module and a second audio processing circuit, and the screen sound board is further provided with a left surround vibrator, a right surround vibrator, a left rear surround vibrator and a right rear surround vibrator; The main chip is further configured to output a third audio signal and a fourth audio signal; The third wireless communication module is configured to input the third audio signal and the fourth audio signal into the second audio processing circuit; The second audio processing circuit is configured to output the third audio signal through the left surround vibrator and the right surround vibrator, and to output the fourth audio signal through the left rear surround vibrator and the right rear surround vibrator.

6. The laser TV according to claim 5, characterized in that: The second audio processing circuit includes: a second power amplifier and a third power amplifier; The second power amplifier is configured to amplify the third audio signal to obtain a third audio signal to be played, and input the third audio signal to be output into the left surround vibrator and the right surround vibrator to output the third audio signal to be output through the left surround vibrator and the right surround vibrator; The third power amplifier is configured to amplify the fourth audio signal to obtain a fourth audio signal to be played, and to input the fourth audio signal to be output into the left rear surround vibrator and the right rear surround vibrator to output the fourth audio signal to be output through the left rear surround vibrator and the right rear surround vibrator.

7. The laser TV according to claim 5, characterized in that: The main chip is connected to the wireless transmitter of the first wireless communication module through a first I2S interface, the main chip is connected to the second wireless communication module through an I2C interface or a USB interface, and the main chip is connected to the wireless transmitter of the third wireless communication module through a second I2S interface and a third I2S interface; The main chip is specifically configured to send the first audio signal or the second audio signal to the wireless transmitter of the first wireless communication module through the first I2S interface, send the first control signal or the second control signal to the wireless transmitter of the second wireless communication module through the I2S interface or the USB interface, send the third audio signal to the wireless transmitter of the third wireless communication module through the second I2S interface, and send the fourth audio signal to the wireless transmitter of the third wireless communication module through the third I2S interface.

8. The laser TV according to any one of claims 1 to 4, characterized in that: The screen sound board comprises: a first skin layer, a first adhesive film layer located on the first skin layer, a honeycomb core layer located on the first adhesive film layer, a second adhesive film layer located on the honeycomb core layer, and a second skin layer located on the second adhesive film layer, and the plurality of vibrators to be selected are mounted below the first skin layer; Wherein, the thickness of the first skin layer and the second skin layer is 0.12 mm, and / or the thickness of the honeycomb core layer is 0.03 mm, and / or the thickness of the screen sounding board is less than or equal to 8 mm.

9. The laser TV according to any one of claims 1 to 4, characterized in that: The plurality of vibrators to be selected are 9 vibrators to be selected, and the 9 vibrators to be selected are evenly distributed on the screen sounding board in the form of a 3×3 array.

10. A sound generation method for a laser television, characterized in that: The laser TV comprises: a main chip, a first wireless communication module, a second wireless communication module, a first audio processing circuit and a screen sound board, wherein the screen sound board is provided with a plurality of vibrators to be selected distributed at different positions; the method further comprises: When the sound emission mode of the laser TV is the first sound emission mode, a first audio signal and a first control signal are output through the main chip, the first audio signal is input into the first audio processing circuit through the first wireless communication module, and the first control signal is input into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the first audio signal through the target vibrator among the multiple vibrators to be selected under the control of the first control signal; When the sound mode of the laser TV is the second sound mode, a second audio signal and a second control signal are output through the main chip, the second audio signal is input into the first audio processing circuit through the second wireless communication module, and the second control signal is input into the first audio processing circuit through the second wireless communication module, so that the first audio processing circuit outputs the second audio signal through the first to be selected vibrator and the second to be selected vibrator among the multiple to be selected vibrators under the control of the second control signal.

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