CN113014998B - Audio output method, device, television and computer readable storage medium - Google Patents
Audio output method, device, television and computer readable storage medium Download PDFInfo
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- CN113014998B CN113014998B CN202110150235.9A CN202110150235A CN113014998B CN 113014998 B CN113014998 B CN 113014998B CN 202110150235 A CN202110150235 A CN 202110150235A CN 113014998 B CN113014998 B CN 113014998B
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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
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
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- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an audio output method, which is applied to a television, and comprises the following steps: when receiving target program information, acquiring audio of the target program information; decoding the audio to obtain output audio with a preset channel; and sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio. The invention also discloses an audio output device, a television and a computer readable storage medium. By utilizing the audio output method, the audio output delay of the external audio output equipment is reduced, and the user experience is good.
Description
Technical Field
The present invention relates to the field of televisions, and in particular, to an audio output method, an audio output device, a television, and a computer readable storage medium.
Background
The two-channel output is a general design mode of the television, the loudspeaker is integrated in the television, but limited by the size of the television, the distance between the loudspeaker in the television is relatively short, and the sound field of the television is not wide, so that the hearing effect is relatively poor when a user uses the television.
Typically, a user purchases an external audio output device (such as a speaker), and the television outputs audio to the external audio output device, and the external audio output device outputs audio to achieve a higher hearing effect.
However, when a user listens to audio output by a television by using an external sound box, the user experience is still poor.
Disclosure of Invention
The invention mainly aims to provide an audio output method, an audio output device, a television and a computer readable storage medium, and aims to solve the technical problem that in the prior art, when a user listens to audio output by the television by using an external loudspeaker box, the user experience is still poor.
In order to achieve the above object, the present invention provides an audio output method applied to a television, the method comprising the following steps:
when receiving target program information, acquiring audio of the target program information;
decoding the audio to obtain output audio with a preset channel;
and sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio.
Optionally, the step of decoding the audio to obtain output audio having a preset channel includes:
decoding the audio to obtain initial audio having the same channel as the audio;
and mixing the initial audio into the output audio with the preset sound channel by using a head function model and a matrix algorithm.
Optionally, the television set is provided with a built-in audio output device, the preset channels comprise a plurality of types, and the output audio comprises a plurality of output audio corresponding to the preset channels; after the step of decoding the audio to obtain output audio having a preset channel, the method further comprises:
determining a first selected output audio corresponding to a first selected channel from the plurality of output audio, wherein the first selected channel is extracted from a received first preset mode;
outputting the first selected output audio using the built-in audio output;
the step of transmitting the output audio to an external audio output device so that the external audio output device outputs the output audio includes:
and sending the plurality of output audios to external audio output equipment so that the external audio output equipment outputs the plurality of output audios.
Optionally, the step of sending the plurality of output audio to an external audio output device, so that the external audio output device outputs the plurality of output audio includes:
and transmitting the plurality of output audios to an external audio output device, so that the external audio output device determines a second selected output audio corresponding to a second selected channel from the plurality of output audios and outputs the second selected output audio, wherein the second selected channel is extracted from a received second preset mode.
Optionally, the television has a wireless transmitter; the step of transmitting the plurality of output audio to an external audio output device comprises:
transmitting the plurality of output audio to the wireless transmitter;
converting, by the wireless transmitter, the plurality of output audio signals into wireless audio signals;
and transmitting the wireless audio signal to an external audio output device through the wireless transmitter, so that the external audio output device determines the second selected output audio corresponding to the second selected channel in the wireless audio signal.
Optionally, the preset channel is 5.1.2 channels or 7.1 channels.
Optionally, the wireless transmitter is a wireless transmitter with a SWM908SD chip.
In addition, to achieve the above object, the present invention also provides an audio output device, which is applied to a television, the device comprising:
the receiving module is used for acquiring the audio of the target program information when receiving the target program information;
the decoding module is used for decoding the audio to obtain output audio with a preset channel;
and the sending module is used for sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio.
In addition, in order to achieve the above object, the present invention also provides a television set, including: a memory, a processor and an audio output program stored on the memory and running on the processor, which when executed by the processor performs the steps of the audio output method as claimed in any one of the preceding claims.
In addition, to achieve the above object, the present invention also proposes a computer-readable storage medium having stored thereon an audio output program which, when executed by a processor, implements the steps of the audio output method as set forth in any one of the above.
The technical scheme of the invention provides an audio output method which is applied to a television, and the method comprises the following steps: when receiving target program information, acquiring audio of the target program information; decoding the audio to obtain output audio with a preset channel; and sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio.
In the existing audio output method, a television decodes audio to obtain decoded audio, an external audio output device decodes the decoded audio sent by the television to obtain new decoded audio and outputs the new decoded audio, and the external audio output device decodes the audio once more, so that the external audio output device has higher delay and poorer user experience when outputting the audio; in the invention, the television decodes the audio and obtains the decoded output audio, so that the external audio output equipment directly outputs the received output audio, the external audio output equipment is not required to decode the audio again, and the time delay is reduced. Therefore, by utilizing the audio output method, the audio output delay of the external audio output equipment is reduced, and the user experience is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a television set in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart of a first embodiment of an audio output method according to the present invention;
FIG. 3 is a schematic diagram of the structure of the television and the external audio output device according to the present invention;
fig. 4 is a block diagram of a first embodiment of an audio output device according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a television set structure of a hardware running environment according to an embodiment of the present invention.
In general, a television set includes: at least one processor 301, a memory 302 and an audio output program stored on said memory and executable on said processor, said audio output program being configured to implement the steps of the audio output method as described above.
Processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 301 may be implemented in at least one hardware form of DSP (Digital Signal Processing ), FPGA (Field-Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array ). The processor 301 may also include a main processor, which is a processor for processing data in an awake state, also called a CPU (Central ProcessingUnit ), and a coprocessor; a coprocessor is a low-power processor for processing data in a standby state. In some embodiments, the processor 301 may integrate a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen. The processor 301 may also include an AI (Artificial Intelligence ) processor for processing relevant audio output method operations so that the audio output method model may be self-training learned, improving efficiency and accuracy.
Memory 302 may include one or more computer-readable storage media, which may be non-transitory. Memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 302 is used to store at least one instruction for execution by processor 301 to implement the audio output method provided by the method embodiments herein.
In some embodiments, the terminal may further optionally include: a communication interface 303, and at least one peripheral device. The processor 301, the memory 302 and the communication interface 303 may be connected by a bus or signal lines. The respective peripheral devices may be connected to the communication interface 303 through a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of radio frequency circuitry 304, a display screen 305, and a power supply 306.
The communication interface 303 may be used to connect at least one peripheral device associated with an I/O (Input/Output) to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and communication interface 303 are integrated on the same chip or circuit board; in some other embodiments, either or both of the processor 301, the memory 302, and the communication interface 303 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 304 is configured to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuitry 304 communicates with a communication network and other communication devices via electromagnetic signals. The radio frequency circuit 304 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 includes: antenna systems, RF transceivers, one or more amplifiers, tuners, oscillators, digital signal processors, codec chipsets, subscriber identity module cards, and so forth. The radio frequency circuitry 304 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to: metropolitan area networks, various generations of mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity ) networks. In some embodiments, the radio frequency circuitry 304 may also include NFC (Near Field Communication ) related circuitry, which is not limited in this application.
The display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display 305 is a touch screen, the display 305 also has the ability to collect touch signals at or above the surface of the display 305. The touch signal may be input as a control signal to the processor 301 for processing. At this point, the display 305 may also be used to provide virtual buttons and/or virtual keyboards, also referred to as soft buttons and/or soft keyboards. In some embodiments, the display 305 may be one, the front panel of an electronic device; in other embodiments, the display screen 305 may be at least two, respectively disposed on different surfaces of the electronic device or in a folded design; in still other embodiments, the display 305 may be a flexible display disposed on a curved surface or a folded surface of the electronic device. Even more, the display screen 305 may be arranged in an irregular pattern other than rectangular, i.e., a shaped screen. The display 305 may be made of LCD (LiquidCrystal Display ), OLED (Organic Light-Emitting Diode) or other materials.
The power supply 306 is used to power the various components in the electronic device. The power source 306 may be alternating current, direct current, disposable or rechargeable. When the power source 306 comprises a rechargeable battery, the rechargeable battery may support wired or wireless charging. The rechargeable battery may also be used to support fast charge technology. It will be appreciated by those skilled in the art that the structure shown in fig. 1 is not limiting and may include more or fewer components than shown, or may be combined with certain components, or a different arrangement of components.
Furthermore, an embodiment of the present invention also proposes a computer-readable storage medium having stored thereon an audio output program which, when executed by a processor, implements the steps of the audio output method as described above. Therefore, a detailed description will not be given here. In addition, the description of the beneficial effects of the same method is omitted. For technical details not disclosed in the embodiments of the computer-readable storage medium according to the present application, please refer to the description of the method embodiments of the present application. As an example, the program instructions may be deployed to be executed on one television set or on multiple television sets at one site or, alternatively, on multiple television sets distributed across multiple sites and interconnected by a communication network.
Those skilled in the art will appreciate that implementing all or part of the above-described methods may be accomplished by way of computer programs, which may be stored on a computer-readable storage medium, and which, when executed, may comprise the steps of the embodiments of the methods described above. The computer readable storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random access Memory (Random AccessMemory, RAM), or the like.
Based on the above hardware structure, an embodiment of the audio output method of the present invention is presented.
Referring to fig. 2, fig. 2 is a flowchart of a first embodiment of an audio output method of the present invention, the method is applied to a television, and the method includes the following steps:
step S11: and when receiving the target program information, acquiring the audio of the target program information.
The television set, the television and the terminal equipment provided by the invention are provided with the audio output program, and the audio output method is realized when the terminal equipment executes the audio output program.
Generally, a television has an audio output device built in, and the built-in audio output device of the television can output audio of various channels; meanwhile, the system chip (the chip for audio decoding) of the television has multiple paths of I2S data, and preferably, the system chip of the television has 4 paths of I2S data.
The target program information may refer to the program information being output by the television, and the audio of the target program information is the audio. The audio is a part of data in the target program information, and the audio output method only processes the audio in the data in the target program information.
Step S12: the audio is decoded to obtain output audio having a preset channel.
Specifically, step S12 includes: decoding the audio to obtain initial audio having the same channel as the audio; and mixing the initial audio into the output audio with the preset sound channel by using a head function model and a matrix algorithm.
In the audio output method of the present invention, the original audio (the audio) in the target television program needs to be decoded into the original audio (the data that may be in PCM format) having the same channel as the original audio. Then mixing the initial audio into the output audio with the preset sound channel by using a head function model and a matrix algorithm; the output audio of the preset channel may be output audio of 5.1.2 channels or 7.1 channels.
Specifically, the 5.1.2 channels include L/R (refer to left and right channels), ls/Rs (refer to left and right surround channels), lt/Rt (refer to top channels), C (refer to center channels), and Sub (refer to heavy bass channels); the 7.1 sound channels include its left front surround sound channel, right front surround sound channel, center surround sound channel, left rear surround sound channel, right rear surround sound channel, left surround sound channel, and right surround sound channel. The embodiments of the present invention will be explained by taking 5.1.2 channels as examples.
Further, the television is provided with a built-in audio output device, the preset sound channels comprise a plurality of types, and the output audio comprises a plurality of output audio corresponding to the preset sound channels; after step S12, the method further comprises:
determining a first selected output audio corresponding to a first selected channel from the plurality of output audio, wherein the first selected channel is extracted from a received first preset mode; outputting the first selected output audio using the built-in audio output.
It should be noted that, the television may support multiple channels of output, the user sends a setting operation to the television according to the requirement, and the television obtains a first preset mode according to the setting operation of the user, where the first preset mode may be outputting audio of one channel or outputting audio of multiple channels, and the first preset mode is related to the setting operation of the user.
When the first preset mode is a certain sound channel, determining one output audio corresponding to a first selected sound channel in the first preset mode, namely a first selected output audio, from a plurality of output audio corresponding to the plurality of preset sound channels; when the first preset mode is a plurality of channels, determining a plurality of audio corresponding to a first selected channel in the first preset mode, that is, a first selected output audio, from among a plurality of output audio corresponding to the plurality of preset channels, and simultaneously outputting the first selected output audio including the plurality of audio.
For example, when the first preset mode of the television is the 2ch output mode, 2ch is output under the output audio of the 5.1.2ch channel; when the first preset mode of the television is 5.1.2, directly outputting 5.1.2 channels: left and right channels, left and right surround channels, top-of-finger channels, center channel, and subwoofer channel.
Step S13: and sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio.
The television sends the output audio with the preset sound channel to the external audio output equipment, the external audio output equipment directly outputs the output audio, the external audio output equipment is not required to decode the audio, the time delay is reduced, and the user experience is good.
Further, the preset sound channels comprise a plurality of types, and the output audio comprises a plurality of output audio corresponding to the preset sound channels; the step S13 includes: and transmitting the plurality of output audios to an external audio output device, so that the external audio output device determines a second selected output audio corresponding to a second selected channel from the plurality of output audios and outputs the second selected output audio, wherein the second selected channel is extracted from a received second preset mode.
Specifically, the television set is provided with a wireless transmitter; the step of transmitting the plurality of output audio to an external audio output device comprises: transmitting the plurality of output audio to the wireless transmitter; converting, by the wireless transmitter, the plurality of output audio signals into wireless audio signals; and transmitting the wireless audio signal to an external audio output device through the wireless transmitter, so that the external audio output device determines the second selected output audio corresponding to the second selected channel in the wireless audio signal.
It should be noted that the external audio output device may be any type of output device, for example, a sound box, etc., where the sound box may be a wireless sound box (wifi or bluetooth, etc.), and meanwhile, the television set has a wireless transmitter, where the wireless transmitter is a wireless transmitter with a SWM908SD chip, and correspondingly, the external audio output device may have a wireless receiver with a SWS997SD chip.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a television and an external audio output device according to the present invention. The television is provided with a system chip, a wireless transmitter and a built-in audio output device; the system chip is used for decoding the audio to obtain output audio; the built-in audio output device is used for outputting corresponding first selected output audio, and the wireless transmitter is used for converting the output audio into wireless audio signals and sending the wireless audio signals to the external audio output device. The external audio output device has a wireless receiver for receiving the wireless audio signal. The television is in communication connection with the external audio output device through the wireless transmitter and the wireless receiver, so that wireless transmission of data is realized.
The external audio output device can be internally provided with a power supply module, a control module, a wireless receiving module, a power amplifying module, an audio processing module and the like, and is provided with L, R, ls, rs, lt, rt and Sub seven pairing keys. And obtaining a corresponding second preset mode according to different pairing keys activated by the user, and determining that the output channel is configured as a channel of the second selected output audio based on a second selected channel of the second preset mode.
The external audio output equipment is provided with independent addresses, each address is provided with a default sound channel, when the television enters the pairing state of the external audio output equipment, equipment searching is started, a user can sequentially press keys for about 3 seconds according to the description of the keys of the external audio output equipment, the Bluetooth configuration state of the external audio output equipment is started, the external audio output equipment enters the pairing mode, and after the pairing is successful, the television configures the output mode of each I2S data according to the number and the addresses of the accessed external audio output equipment.
In addition, taking 5.1.2ch channels as an example, a system chip of the television set has 4 paths of I2S data, which are used for dividing the I2S data into four paths and sending the four paths to the wireless transmitter, the corresponding output audio is 4 output audio, and the wireless transmitter converts the 4 output audio into wireless audio signals, wherein the wireless audio signals comprise 4 output audio signals, and one output audio corresponds to one wireless audio signal.
In addition, the 4-way I2S data may include data transmitted by I2S0, I2S1, I2S2, and I2S3, respectively. The I2S0 is used for transmitting first path data (output audio), when the output is 2ch, the output audio transmitted by the I2S0 can be used as an L/R channel, and when the output is multi-channel, the output audio transmitted by the I2S0 is used as a C/Sub channel; the I2S1 is used for transmitting a second path of output audio, no output is generated when two channels are output, and the output audio transmitted by the I2S1 is used as an L/R channel when a plurality of channels are output; the I2S2 is used for transmitting a third output audio, no output is generated when two channels are used, and when a plurality of channels are output, the output audio transmitted by the I2S2 is used as an Ls/Rs channel; and the I2S3 is used for transmitting a fourth path of output audio, no output is generated when two channels are output, and the output audio transmitted by the I2S3 is used as an Lt/Rt channel or an Lrs/Rrs channel when a plurality of channels are output.
It is understood that a plurality of output audio frequencies having a plurality of preset channels are respectively transmitted to the wireless transmitter, and the wireless transmitter simultaneously converts the output audio frequencies into wireless audio signals and simultaneously transmits the wireless audio signals to the external audio output device, so that the external audio output device determines the second selected output audio frequency corresponding to the second selected channel in the wireless audio signals.
The technical scheme of the invention provides an audio output method which is applied to a television, and the method comprises the following steps: when receiving target program information, acquiring audio of the target program information; decoding the audio to obtain output audio with a preset channel; and sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio.
In the existing audio output method, a television decodes audio to obtain decoded audio, an external audio output device decodes the decoded audio sent by the television to obtain new decoded audio and outputs the new decoded audio, and the external audio output device decodes the audio once more, so that the external audio output device has higher delay and poorer user experience when outputting the audio; in the invention, the television decodes the audio and obtains the decoded output audio, so that the external audio output equipment directly outputs the received output audio, the external audio output equipment is not required to decode the audio again, and the time delay is reduced. Therefore, by utilizing the audio output method, the audio output delay of the external audio output equipment is reduced, and the user experience is better.
Referring to fig. 4, fig. 4 is a block diagram of a first embodiment of an audio output device according to the present invention, the device being applied to a television, the device comprising:
a receiving module 10, configured to obtain audio of target program information when receiving the target program information;
a decoding module 20, configured to decode the audio to obtain output audio with a preset channel;
the transmitting module 30 is configured to transmit the output audio to an external audio output device, so that the external audio output device outputs the output audio.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (8)
1. An audio output method, applied to a television, comprising the steps of:
when receiving target program information, acquiring audio of the target program information;
decoding the audio to obtain output audio with a preset channel;
transmitting the output audio to external audio output equipment so that the external audio output equipment outputs the output audio;
the television is provided with a built-in audio frequency output device, the preset sound channels comprise a plurality of kinds, and the output audio frequency comprises a plurality of output audio frequencies corresponding to the preset sound channels; after the step of decoding the audio to obtain output audio having a preset channel, the method further comprises:
determining a first selected output audio corresponding to a first selected channel from the plurality of output audio, wherein the first selected channel is extracted from a received first preset mode, and the first preset mode comprises outputting audio of one channel or outputting audio of multiple channels; the first preset mode is obtained according to the setting operation of a user;
outputting the first selected output audio using the built-in audio output;
the step of transmitting the output audio to an external audio output device so that the external audio output device outputs the output audio includes:
transmitting the plurality of output audio to an external audio output device, so that the external audio output device outputs the plurality of output audio;
the step of transmitting the plurality of output audio frequencies to an external audio output device to cause the external audio output device to output the plurality of output audio frequencies includes:
and sending the plurality of output audios to an external audio output device, so that the external audio output device determines a second selected output audio corresponding to a second selected channel from the plurality of output audios and outputs the second selected output audio, wherein the second selected channel is extracted from a received second preset mode, and the second preset mode is obtained according to different pairing keys of the external audio output device activated by a user.
2. The method of claim 1, wherein the decoding the audio to obtain the output audio having the preset channel comprises:
decoding the audio to obtain initial audio having the same channel as the audio;
and mixing the initial audio into the output audio with the preset sound channel by using a head function model and a matrix algorithm.
3. The method of claim 1, wherein the television has a wireless transmitter; the step of transmitting the plurality of output audio to an external audio output device comprises:
transmitting the plurality of output audio to the wireless transmitter;
converting, by the wireless transmitter, the plurality of output audio signals into wireless audio signals;
and transmitting the wireless audio signal to an external audio output device through the wireless transmitter, so that the external audio output device determines the second selected output audio corresponding to the second selected channel in the wireless audio signal.
4. A method according to any one of claims 1-3, wherein the preset channel is 5.1.2 channels or 7.1 channels.
5. The method of claim 4, wherein the wireless transmitter is a wireless transmitter having a SWM908SD chip.
6. An audio output device for use with a television, said device comprising:
the receiving module is used for acquiring the audio of the target program information when receiving the target program information;
the decoding module is used for decoding the audio to obtain output audio with a preset channel;
the sending module is used for sending the output audio to external audio output equipment so that the external audio output equipment outputs the output audio;
the television is provided with a built-in audio frequency output device, the preset sound channels comprise a plurality of kinds, and the output audio frequency comprises a plurality of output audio frequencies corresponding to the preset sound channels;
the sending module is further configured to determine a first selected output audio corresponding to a first selected channel from the plurality of output audio, where the first selected channel is extracted from a received first preset mode, and the first preset mode includes outputting audio of one channel or outputting audio of multiple channels; the first preset mode is obtained according to the setting operation of a user; outputting the first selected output audio using the built-in audio output; transmitting the plurality of output audio to an external audio output device, so that the external audio output device outputs the plurality of output audio;
the sending module is further configured to send the plurality of output audio frequencies to an external audio output device, so that the external audio output device determines a second selected output audio frequency corresponding to a second selected channel from the plurality of output audio frequencies, and outputs the second selected output audio frequency, where the second selected channel is extracted from a received second preset mode, and the second preset mode is obtained according to different pairing keys of the external audio output device activated by a user.
7. A television set, the television set comprising: memory, a processor and an audio output program stored on the memory and running on the processor, which audio output program when executed by the processor implements the steps of the audio output method according to any one of claims 1 to 5.
8. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon an audio output program, which when executed by a processor, implements the steps of the audio output method according to any of claims 1 to 5.
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| WO2019128204A1 (en) * | 2017-12-29 | 2019-07-04 | 中兴通讯股份有限公司 | Conference implementation method, device, apparatus and system, and computer readable storage medium |
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