CN113873394A - Television and audio control method - Google Patents
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- CN113873394A CN113873394A CN202111242917.9A CN202111242917A CN113873394A CN 113873394 A CN113873394 A CN 113873394A CN 202111242917 A CN202111242917 A CN 202111242917A CN 113873394 A CN113873394 A CN 113873394A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4852—End-user interface for client configuration for modifying audio parameters, e.g. switching between mono and stereo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The application provides a television and an audio control method, which comprises the following steps: the multi-channel audio processing module can play audio through at least three channels; the external interface is used for connecting external audio playing equipment; the gating module is connected with the multi-channel audio processing module and the external interface; the audio and video processor is connected with the gating module and used for controlling the gating module to be connected with the multi-channel audio processing module or the external interface. The problem that the existing television can not process multichannel audio is solved, and the multichannel surround sound effect is achieved on the premise that the function of an external interface is not influenced.
Description
Technical Field
The application belongs to the technical field of display equipment, and particularly relates to a television and an audio control method.
Background
In the prior art, a television adopts a dual-channel stereo sound system, the dual-channel stereo sound system can only reproduce the spatial sense of a two-dimensional plane, a user cannot generate the scene sense in the dual-channel stereo sound system, and multi-channel audio cannot be processed, if the multi-channel surround sound effect is required to be realized.
Disclosure of Invention
The embodiment of the application provides a television and an audio control method, which aim to solve the problem that the existing television cannot process multichannel audio.
In a first aspect, an embodiment of the present application provides a television, including:
the multi-channel audio processing module can play audio through at least three channels;
the external interface is used for connecting external audio playing equipment;
the gating module is connected with the multi-channel audio processing module and the external interface;
and the audio and video processor is connected with the gating module and is used for controlling the gating module to be communicated with the multi-channel audio processing module or the external interface.
Optionally, the external interface is an HDMI interface.
Optionally, the audio/video processor is connected to the gating module through a first enhanced audio return channel;
the gating module is connected with the external interface through a second enhanced audio return channel;
the gating module is connected with the multi-channel audio processing module through a third enhanced audio return channel.
Optionally, the multi-channel audio processing module includes a signal conversion unit, a decoder and mixing unit, at least three audio power amplifiers and at least three speakers,
the signal conversion unit is connected with the gating module and is used for converting an original audio signal into an IIS signal and an SPDIF signal;
the decoder and sound mixing unit is connected with the signal conversion unit and used for receiving the IIS signal and the SPDIF signal, decoding and mixing sound to obtain audio;
the audio power amplifier is connected with the decoder and the sound mixing unit and is used for amplifying the audio;
the loudspeaker is connected with the corresponding audio power amplifier and is used for playing audio.
Optionally, the audio/video processor is connected to the signal conversion unit, and the audio/video processor is configured to perform potential judgment on the voltage output by the signal conversion unit;
if the signal conversion unit outputs a first high level, the audio and video processor is used for pulling down the first high level into a low level, after a preset time is reached, the low level is pulled up into a second high level, and when the signal conversion unit detects the second high level, a handshaking operation is started between the audio and video processor and the signal conversion unit.
Optionally, the audio/video processor generates a first control instruction when receiving a first operation signal, and the gating module is configured to switch on the audio/video processor and the multi-channel audio processing module according to the first control instruction;
and the gating module is used for connecting the audio and video processor and the external interface according to the second control instruction.
In a second aspect, an embodiment of the present application further provides an audio control method, which is applied to any one of the above televisions, and includes:
when the audio and video processor receives a first operation signal, a first control instruction is generated, and the gating module is connected with the audio and video processor and the multi-channel audio processing module according to the first control instruction;
and the audio and video processor generates a second control instruction when receiving a second operation signal, and the gating module is connected with the audio and video processor and the external interface according to the second control instruction.
Optionally, the audio/video processor generates a second control instruction when receiving a second operation signal, and after the gating module switches on the audio/video processor and the external interface according to the second control instruction, the method further includes the following steps:
the audio and video processor judges whether the audio playing equipment supports audio playing;
if the audio playing equipment supports audio playing, starting handshaking operation between the video processor and the external interface, otherwise, playing audio by the multi-channel audio processing module;
if the handshake between the video processor and the external interface is successful, the video processor is connected with the external interface and the audio playing equipment is used for playing audio, otherwise, the video processor is initialized;
if the initialization is successful, the external interface is connected with the audio playing device to play audio, otherwise, the multi-channel audio processing module plays audio.
Optionally, after the audio/video processor receives the first operation signal and generates the first control instruction, and the gating module switches on the audio/video processor and the multi-channel audio processing module according to the first control instruction, the method further includes the following steps:
the audio and video processor judges the potential of the voltage output by the multi-channel audio processing module;
if the multi-channel audio processing module outputs a first high level, the audio and video processor pulls down the first high level to a low level, and after the preset time is reached, the audio and video processor pulls up the low level to a second high level;
the multi-channel audio processing module detects the second high level, and a handshaking operation is started between the audio and video processor and the multi-channel audio processing module;
if the handshaking between the audio and video processor and the multi-channel audio processing module is successful, the multi-channel audio processing module plays audio, and if the handshaking between the audio and video processor and the multi-channel audio processing module is failed, the gating module is connected with the audio and video processor and the multi-channel audio processing module again.
Optionally, before the audio/video processor performs the potential judgment on the voltage output by the multi-channel audio processing module, the switch of the multi-channel audio processing module is turned on;
after the multi-channel audio processing module detects the second high level, whether the second high level is set high is judged, if the second high level is set high, a handshake operation is started between the audio and video processor and the multi-channel audio processing module, otherwise, the gating module is connected with the audio and video processor and the multi-channel audio processing module again.
The television and the audio control method provided by the embodiment of the application comprise a multi-channel audio processing module, an external interface, a gating module and an audio and video processor, wherein the audio and video processor is connected with the gating module, the gating module is communicated with the multi-channel audio processing module or the external interface, and multi-channel audio playing is realized by utilizing the multi-channel audio processing module of the television, so that the problem that the existing television cannot process multi-channel audio is solved, and the multi-channel surround sound effect is realized on the premise of not influencing the function of the external interface.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.
Fig. 1 is a block diagram of a television set according to an embodiment of the present application.
Fig. 2 is a block diagram of a television set including a multi-channel audio control module structure according to an embodiment of the present application.
Fig. 3 is a schematic diagram of an HDIM apparatus setting menu provided in an embodiment of the present application.
Fig. 4 is a schematic diagram illustrating an automatic speaker/arc setting in an audio output menu according to an embodiment of the present application.
Fig. 5 is a schematic diagram illustrating manual speaker/arc setting in an audio output menu according to an embodiment of the present application.
Fig. 6 is a flowchart of an audio control method according to an embodiment of the present application.
Fig. 7 is a flowchart of a method for handshaking between a multi-channel audio processing module and an audio/video processor according to an embodiment of the present application.
Fig. 8 is a flowchart of a method for handshaking between an external interface and an audio/video processor according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a television and an audio control method, so as to solve the problem that the television cannot process multichannel audio. The following description will be made with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a block diagram of a television set according to an embodiment of the present application.
For a television, such as a common television, a smart television, etc., it includes a multi-channel audio processing module 100, an external interface 200, an audio/video processor 300, and a gating module 400. Wherein, the multi-channel audio processing module 100 is used for playing audio; the external interface 200 is used for an external audio playing device 201, and the audio playing device 201 is used for playing audio; the gating module 400 is connected with the multi-channel audio processing module 100 and the external interface 200; the audio/video processor 300 is connected to the gating module 400, and the audio/video processor 300 is configured to control the gating module 400 to connect to the multi-channel audio processing module 100 or connect to the external interface 200.
Referring to fig. 2, fig. 2 is a block diagram of a television set including a multi-channel audio control module structure according to an embodiment of the present application.
In some embodiments, the external interface 200 is an HDMI interface.
As can be appreciated, HDMI is an audio interface for transmitting compressed or uncompressed digital audio data from an HDMI source device to an HDMI sink device.
In some embodiments, the audio/video processor 300 is connected to the gating module 400 through a first enhanced audio return channel eARC, the gating module 400 is connected to the external interface 200 through a second enhanced audio return eARC1, and the gating module 400 is connected to the multi-channel audio processing module 100 through a third enhanced audio return channel eARC 2.
In some embodiments, referring to fig. 2, the multi-channel audio processing module 100 includes a signal conversion unit 101, a decoder and mixing unit 102, at least three audio power amplifiers 103, and at least three speakers 104, wherein the signal conversion unit 101 is connected to the gating module 400, and is configured to convert the original eARC audio signal into an IIS (Inter-IC Sound, integrated circuit built-in audio bus) signal and an SPDIF (Sony/Philips Digital Interface Sony, Philips Digital audio Interface) signal; the decoder and mixing unit 102 is connected to the signal conversion unit 101, and is configured to receive the IIS signal and the SPDIF signal, and perform decoding and mixing to obtain an audio; the audio power amplifier 103 is connected to the decoder and mixing unit 102 and is configured to amplify audio; the speakers 104 are connected to the corresponding audio power amplifiers 103 for playing audio.
It is understood that the audio/video processor 300 is connected to the decoding and mixing unit 102, and the audio/video processor 300 is used for controlling the decoding and mixing unit 102, for example, adjusting the volume of the decoding and mixing unit 102.
It is understood that the multi-channel audio processing module 100 further includes a ROM (read only memory) and a RAM (random access memory), which are respectively connected to the decoder and mixing unit 102.
In some embodiments, the audio/video processor 300 is connected to the signal conversion unit 101, and the audio/video processor 300 is configured to perform a potential judgment on the voltage output by the signal conversion unit 101;
if the signal conversion unit 101 outputs the first high level, the audio/video processor 300 is configured to pull down the first high level to a low level, pull up the low level to a second high level after a preset time, and start a handshake operation between the signal conversion units 101 of the audio/video processor 300 when the signal conversion unit 101 detects the second high level.
It can be understood that the signal conversion unit 101 has a switch for controlling 5V, when the switch is turned on, the signal conversion unit 101 outputs 5V voltage, the audio/video processor 300 detects a first high level, the audio/video processor 300 pulls the first high level down to a low level, after 100 milliseconds, the audio/video processor 300 pulls the low level up to a second high level, and when the signal conversion unit 101 detects a second high level, a handshake operation is started between the signal conversion units 101 of the audio/video processor 300, so as to realize a forced connection between the video processor 300 and the signal conversion unit 101.
In some embodiments, when the audio/video processor 300 receives the first operation signal, a first control instruction is generated, and the gating module 400 is configured to switch on the audio/video processor 300 and the multi-channel audio processing module 100 according to the first control instruction;
when the audio/video processor 300 receives the second operation signal, a second control instruction is generated, and the gating module 400 is configured to switch on the audio/video processor 300 and the external interface 200 according to the second control instruction.
It will be appreciated that the television also includes a display device in data communication with the audio/video processor 300, the display device being operable by a user via a control device such as a remote control, the display device having a sound setting interface including an HDMI device setting menu and an audio output menu.
Referring to fig. 3, 4 and 5, fig. 3 is a schematic diagram of an HDIM device setup menu provided in an embodiment of the present application, fig. 4 is a schematic diagram of an automatic speaker/arc setup in an audio output menu provided in an embodiment of the present application, and fig. 5 is a schematic diagram of a manual speaker/arc setup in an audio output menu provided in an embodiment of the present application.
Specifically, the HDMI device setup menu includes an HDMI device control on/off option, an ARC/eARC on/off option, an on linkage on/off option, an off connectivity on/off option, and other on/off options, and the audio output menu includes a speaker/eARC auto/manual option, a speaker option, and an HDMI/eARC option. When the user selects the HDMI device control to be turned on and the ARC/ARC is turned off, the audio/video processor 300 receives a first operation signal; when the user selects the HDMI device to control to be turned on and the ARC/ARC is turned on, the speaker/ARC is automatically or manually selected and the HDMI/ARC is checked, the audio/video processor 300 receives the second operation signal, the user selects the HDMI device to control to be turned on and the ARC/ARC is turned on, the speaker/ARC is manually selected and the speaker is checked, and the audio/video processor 300 receives the first operation signal.
Referring to fig. 6, fig. 6 is a flowchart of an audio control method according to an embodiment of the present application.
The embodiment of the present application further provides an audio control method, which is applicable to the above television, and includes the following steps:
s100, when the audio and video processor 300 receives a first operation signal, a first control instruction is generated, and the gating module 400 switches on the audio and video processor 300 and the multi-channel audio processing module 100 according to the first control instruction;
and S200, when the audio and video processor 300 receives the second operation signal, generating a second control instruction, and the gating module 400 switches on the audio and video processor 300 and the external interface 200 according to the second control instruction.
In some embodiments, referring to fig. 8, a flowchart of a method for handshaking the external interface 200 and the audio/video processor 300 according to the embodiment of the present application is provided. When the audio/video processor 300 receives the second operation signal, a second control instruction is generated, and after the gating module 400 switches on the audio/video processor 300 and the external interface 200 according to the second control instruction, the method further includes the following steps:
s201, judging whether the external interface 200 is connected with equipment or not;
s202, if the external interface 200 is connected with the equipment, judging whether the equipment supports CEC (Consumer electronics control), and if the external interface 200 is not connected with the equipment, playing audio by the multi-channel audio processing module 100;
s203, if the device supports CEC, determining whether the device is the audio playing device 201, and if the device does not support CEC, starting a handshake operation between the audio and video processor 300 and the external interface 200;
s204, if the device is the audio playing device 201, a handshake operation is started between the audio/video processor 300 and the external interface 200, and if the device is not the audio playing device 201, the multi-channel audio processing module 100 plays an audio;
s205, determining that a handshake state between the audio/video processor 300 and the external interface 200 is started, if the handshake is successful, playing an audio by the external audio playing device 201 connected to the external interface 200, and if the handshake is failed, attempting ARC initialization;
s206, if the ARC initialization is successful, the external audio playing device 201 connected to the external interface 200 plays the audio, and if the ARC initialization fails, the multi-channel audio processing module 100 plays the audio.
As shown with reference to figure 7 of the drawings,
in some embodiments, referring to fig. 7, a flowchart of a method for handshaking the multi-channel audio processing module 100 and the audio/video processor 300 according to the embodiment of the present application is provided. When the audio/video processor 300 receives the first operation signal, generates a first control instruction, and after the gating module 400 switches on the audio/video processor 300 and the multi-channel audio processing module 100 according to the first control instruction, the method further includes the following steps:
s101, opening a switch of the multi-channel audio processing module 100;
s102, the audio and video processor 300 judges the potential of the voltage output by the multi-channel audio processing module 100;
s103, if the multi-channel audio processing module 100 outputs the first high level, the audio/video processor 300 lowers the first high level to a low level, and after the preset time is reached, the audio/video processor 300 raises the low level to a second high level;
s104, the multi-channel audio processing module 100 detects a second high level, judges whether the second high level is set high, if the second high level is set high, a handshake operation is started between the audio and video processor 300 and the multi-channel audio processing module 100, and if the second high level is not set high, the gating module 400 is connected with the audio and video processor 300 and the multi-channel audio processing module 100 again;
s105, if the handshaking between the audio/video processor 300 and the multi-channel audio processing module 100 is successful, the multi-channel audio processing module 100 plays audio, and if the handshaking between the audio/video processor 300 and the multi-channel audio processing module 100 is failed, the gating module 400 connects the audio/video processor 300 and the multi-channel audio processing module 100 again.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
The television provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are explained in this document by applying a specific example, and the description of the above embodiment is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A television set, comprising:
the multi-channel audio processing module can play audio through at least three channels;
the external interface is used for connecting external audio playing equipment;
the gating module is connected with the multi-channel audio processing module and the external interface;
and the audio and video processor is connected with the gating module and is used for controlling the gating module to be communicated with the multi-channel audio processing module or the external interface.
2. The television set according to claim 1, wherein the external interface is an HDMI interface.
3. The TV set according to claim 1,
the audio and video processor is connected with the gating module through a first enhanced audio return channel;
the gating module is connected with the external interface through a second enhanced audio return channel;
the gating module is connected with the multi-channel audio processing module through a third enhanced audio return channel.
4. The TV set according to claim 1, wherein the multi-channel audio processing module comprises a signal conversion unit, a decoder and mixing unit, at least three audio power amplifiers and at least three speakers,
the signal conversion unit is connected with the gating module and is used for converting an original audio signal into an IIS signal and an SPDIF signal;
the decoder and sound mixing unit is connected with the signal conversion unit and used for receiving the IIS signal and the SPDIF signal, decoding and mixing sound to obtain audio;
the audio power amplifier is connected with the decoder and the sound mixing unit and is used for amplifying the audio;
the loudspeaker is connected with the corresponding audio power amplifier and is used for playing audio.
5. The TV set according to claim 4,
the audio and video processor is connected with the signal conversion unit and is used for carrying out potential judgment on the voltage output by the signal conversion unit;
if the signal conversion unit outputs a first high level, the audio and video processor is used for pulling down the first high level into a low level, after a preset time is reached, the low level is pulled up into a second high level, and when the signal conversion unit detects the second high level, a handshaking operation is started between the audio and video processor and the signal conversion unit.
6. The TV set according to claim 1,
the audio and video processor generates a first control instruction when receiving a first operation signal, and the gating module is used for connecting the audio and video processor and the multi-channel audio processing module according to the first control instruction;
and the gating module is used for connecting the audio and video processor and the external interface according to the second control instruction.
7. An audio control method applied to the television set of any one of the above claims 1 to 6, comprising:
when the audio and video processor receives a first operation signal, a first control instruction is generated, and the gating module is connected with the audio and video processor and the multi-channel audio processing module according to the first control instruction;
and the audio and video processor generates a second control instruction when receiving a second operation signal, and the gating module is connected with the audio and video processor and the external interface according to the second control instruction.
8. The audio control method according to claim 7, wherein the audio/video processor generates a second control instruction when receiving a second operation signal, and after the gating module switches on the audio/video processor and the external interface according to the second control instruction, the method further comprises the following steps:
the audio and video processor judges whether the audio playing equipment supports audio playing;
if the audio playing equipment supports audio playing, starting handshaking operation between the video processor and the external interface, otherwise, playing audio by the multi-channel audio processing module;
if the handshake between the video processor and the external interface is successful, the video processor is connected with the external interface and the audio playing equipment is used for playing audio, otherwise, the video processor is initialized;
if the initialization is successful, the external interface is connected with the audio playing device to play audio, otherwise, the multi-channel audio processing module plays audio.
9. The audio control method according to claim 7, wherein the audio/video processor generates a first control instruction when receiving a first operation signal, and after the gating module switches on the audio/video processor and the multi-channel audio processing module according to the first control instruction, the audio control method further comprises the following steps:
the audio and video processor judges the potential of the voltage output by the multi-channel audio processing module;
if the multi-channel audio processing module outputs a first high level, the audio and video processor pulls down the first high level to a low level, and after the preset time is reached, the audio and video processor pulls up the low level to a second high level;
the multi-channel audio processing module detects the second high level, and a handshaking operation is started between the audio and video processor and the multi-channel audio processing module;
if the handshaking between the audio and video processor and the multi-channel audio processing module is successful, the multi-channel audio processing module plays audio, and if the handshaking between the audio and video processor and the multi-channel audio processing module is failed, the gating module is connected with the audio and video processor and the multi-channel audio processing module again.
10. The audio control method according to claim 9, wherein a switch of the multi-channel audio processing module is turned on before the audio/video processor makes a potential judgment on the voltage output by the multi-channel audio processing module;
after the multi-channel audio processing module detects the second high level, whether the second high level is set high is judged, if the second high level is set high, a handshake operation is started between the audio and video processor and the multi-channel audio processing module, otherwise, the gating module is connected with the audio and video processor and the multi-channel audio processing module again.
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