CN112153458A - Audio signal transmission method, smart television, power amplifier and smart television system - Google Patents
Audio signal transmission method, smart television, power amplifier and smart television system Download PDFInfo
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- CN112153458A CN112153458A CN201910561848.4A CN201910561848A CN112153458A CN 112153458 A CN112153458 A CN 112153458A CN 201910561848 A CN201910561848 A CN 201910561848A CN 112153458 A CN112153458 A CN 112153458A
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- 230000005236 sound signal Effects 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims description 79
- 230000004044 response Effects 0.000 claims description 16
- 238000012545 processing Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an audio signal transmission method, an intelligent television, a power amplifier and an intelligent television system, wherein the method is applied to the intelligent television with a wireless transmitter configured on a first HDMI interface, and comprises the following steps: the wireless transmitter receives audio signals output by the intelligent television and packs the audio signals; and transmitting the packed audio signal in a wireless mode so as to transmit the audio signal to a power amplifier. According to the invention, the wireless transmitter is arranged on the HDMI of the smart television, and the audio signal transmitted to the HDMI by the smart television is transmitted to the power amplifier in a wireless manner through the wireless transmitter, so that the smart television is not required to be connected with the power amplifier through an HDMI line, and the smart television can realize the ARC/EARC function in a wireless manner, thereby bringing convenience to users.
Description
Technical Field
The invention relates to the technical field of smart televisions, in particular to an audio signal transmission method, a smart television, a power amplifier and a smart television system.
Background
With the rapid development of smart televisions, smart televisions generally have a wireless internet function at present, and can be connected with a sound box with the same wireless communication function through a wireless network so as to play music through the sound box. However, the ARC/EARC function on the smart tv still needs to be connected to the power amplifier through the HDMI cable, which makes the power amplifier closer to the tv and needs to connect an HDMI cable, which limits the use of the smart tv and brings inconvenience to the user.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an audio signal transmission method, a smart television, a power amplifier, and a smart television system, aiming at the deficiencies of the prior art, so as to solve the problem that the prior smart television needs to be connected to the power amplifier through an HDMI cable when audio output is implemented.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a transmission method of audio signals is applied to a smart television provided with a first HDMI interface, the first HDMI interface is loaded with a wireless transmitter, and the method comprises the following steps:
the wireless transmitter receives audio signals output by the intelligent television and packs the audio signals;
and transmitting the packed audio signal in a wireless mode so as to transmit the audio signal to a power amplifier.
The audio signal transmission method includes that the wireless transmitter receives audio signals output by the smart television and packages the audio signals, and specifically includes:
the wireless transmitter receives ARC/EARC audio data output by the smart television through the first HDMI interface;
and converting the ARC/EARC audio data into audio signals, and packaging the converted audio signals.
The audio signal transmission method, wherein the method further comprises:
the wireless transmitter transmits a communication request signal to the intelligent television and receives a communication response signal transmitted by the intelligent television within preset time according to the communication request signal;
and establishing a communication protocol with the intelligent television according to the communication response signal so as to receive the audio signal sent by the intelligent television according to the communication protocol.
According to the transmission method of the audio signal, the power amplifier is provided with a second HDMI interface, and the second HDMI interface is connected with a wireless receiver.
A transmission method of an audio signal is applied to a power amplifier configured with a second HDMI interface, wherein the second HDMI interface is loaded with a wireless receiver, and the method comprises the following steps:
the wireless receiver receives and unpacks the audio signal sent by the intelligent television to obtain the audio signal;
and transmitting the acquired audio signal to the power amplifier so that the power amplifier receives the audio signal.
The audio signal transmission method includes that the transmitting the acquired audio signal to the power amplifier so that the receiving of the audio signal by the power amplifier specifically includes:
and transmitting the acquired audio signal to the power amplifier through a second HDMI interface so that the power amplifier receives the audio signal.
The audio signal transmission method, wherein the method further comprises:
the wireless receiver sends a communication request signal to the power amplifier and receives a communication response signal sent by the power amplifier within preset time according to the communication request signal;
and establishing a communication protocol with the power amplifier according to the communication response signal so as to send the audio signal to the power amplifier according to the communication protocol.
According to the audio signal transmission method, the smart television is provided with a first HDMI interface, and the first HDMI interface is connected with a wireless transmitter.
The intelligent television comprises a first HDMI interface, a wireless transmitter, a first processor and a first memory, wherein the wireless transmitter is connected to the first HDMI interface, and a computer readable program which can be executed by the first processor is stored in the first memory; the first processor, when executing the computer readable program, implements the steps performed by the smart television in the audio signal transmission method described above.
A power amplifier comprises a second HDMI interface, a wireless receiver, a second processor and a second memory, wherein the wireless receiver is connected to the second HDMI interface; the second processor implements the steps executed by the power amplifier in the method for transmitting the audio signal as described above when executing the computer readable program.
The intelligent television system comprises the intelligent television and the power amplifier, wherein the intelligent television is communicated with the power amplifier through a wireless transmitter and the wireless receiver.
Has the advantages that: compared with the prior art, the invention provides an audio signal transmission method, an intelligent television, a power amplifier and an intelligent television system, wherein the method is applied to the intelligent television with a wireless transmitter configured on a first HDMI interface, and comprises the following steps: the wireless transmitter receives audio signals output by the intelligent television and packs the audio signals; and transmitting the packed audio signal in a wireless mode so as to transmit the audio signal to a power amplifier. According to the invention, the wireless transmitter is arranged on the HDMI of the smart television, and the audio signal transmitted to the HDMI by the smart television is transmitted to the power amplifier in a wireless manner through the wireless transmitter, so that the smart television is not required to be connected with the power amplifier through an HDMI line, and the smart television can realize the ARC/EARC function in a wireless manner, thereby bringing convenience to users.
Drawings
Fig. 1 is a flowchart of a first embodiment of a method for transmitting an audio signal according to the present invention.
Fig. 2 is a schematic structural diagram of a wireless transmitter in the audio signal transmission method according to the present invention.
Fig. 3 is a flowchart of a second embodiment of a method for transmitting an audio signal according to the present invention.
Fig. 4 is a schematic structural diagram of a wireless receiver in the audio signal transmission method according to the present invention.
Fig. 5 is a schematic structural diagram of an intelligent television system provided by the present invention.
Detailed Description
The invention provides an audio signal transmission method, an intelligent television, a power amplifier and an intelligent television system, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
Example one
The present embodiment provides a method for transmitting an audio signal, as shown in fig. 1, the method includes:
and S10, the wireless transmitter receives the audio signals output by the intelligent television and packages the audio signals.
Specifically, the smart television is provided with a first HDMI interface, and a wireless transmitter is arranged on the first HDMI interface. The wireless transmitter can transmit the audio signal transmitted to the first HDMI interface by the smart television in a wireless mode so as to be received by a power amplifier of the wireless transmitter which is provided with the same communication mode with the smart television. In this embodiment, the audio signal is ARC/EARC audio data, that is, the smart television inputs the ARC/EARC audio data to the wireless transmitter and transmits the ARC/EARC audio data through the wireless transmitter. In addition, the audio signal may be a compressed audio signal, and the compression format of the compressed audio signal may be any existing compression format, such as Dolby Atmos, DTS: X, and the like.
Illustratively, the receiving, by the wireless transmitter, an audio signal output by the smart television, and the packaging the audio signal specifically includes:
the wireless transmitter receives ARC/EARC audio data output by the smart television through the first HDMI interface;
and converting the ARC/EARC audio data into audio signals, and packaging the converted audio signals.
Specifically, as shown in fig. 2, the wireless transmitter may include a processor 101, a data processing module 102, and a wireless transmitting module 103, where the processor 101 is connected to the data processing module 102, the data processing module 102 is connected to the wireless transmitting module 103, the processor 101 receives ARC/EARC audio data sent by the smart tv through the first HDMI interface, sends the audio data to the data processing module, packages the ARC/EARC audio data through the data processing module, transmits the packaged data to the wireless transmitting module, and sends the packaged ARC/EARC audio data through the wireless transmitting module. In this embodiment, the wireless transmitter may further include a power supply circuit 104 and a power input interface 105, where the power supply circuit 104 is connected to the processor 101 and the wireless transmission module 103 respectively to supply power to the processor 101 and the wireless transmission module 103, and the power input interface 105 is connected to the power supply circuit 104 to provide power to the power supply circuit 104.
Further, in order to enable the smart television to communicate with the wireless transmitter through the HDMI interface, before the communication or when the smart television is turned on, the smart television and the wireless transmitter perform protocol establishment to determine a communication protocol between the smart television and the wireless transmitter. Correspondingly, the method further comprises the following steps:
the wireless transmitter transmits a communication request signal to the intelligent television and receives a communication response signal transmitted by the intelligent television within preset time according to the communication request signal;
and establishing a communication protocol with the intelligent television according to the communication response signal so as to receive the audio signal sent by the intelligent television according to the communication protocol.
Specifically, the preset time may be preset, for example, 1s, and when the communication response signal is not received within the preset time, the wireless transmitter may repeatedly transmit the communication request information, record the number of times of transmission of the communication request information, and determine that the establishment fails when the number of times of transmission reaches a preset threshold. And the sending times are the sending times of the communication request information which does not receive the communication response signal continuously. In addition, when the establishment fails, inquiry information may be sent to the smart television, or the communication request information may be sent again after a set time, where the set time may be 1 hour or the like.
Further, the communication request signal may be actively sent to the smart television by the wireless transmitter, for example, when the wireless transmitter is started, the wireless transmitter sends the communication request signal to the smart television, and establishes a communication protocol with the smart television according to the communication response signal sent by the smart television. Of course, in practical applications, the communication request signal may be generated by the wireless transmitter according to a communication notification sent by the smart television, for example, when the smart television is started, it is detected whether the first HDMI interface of the smart television is configured with the wireless transmitter, when the first HDMI interface is configured with the wireless transmitter, it is determined whether a communication protocol corresponding to the wireless transmitter is configured, when the communication protocol is not configured, the wireless transmitter sends the communication notification configured with the wireless communication protocol to the wireless transmitter, and the wireless transmitter sends the communication request signal to the smart television according to the communication notification. In addition, when the intelligent television is not provided with the wireless transmitter or is provided with the communication protocol corresponding to the wireless transmitter, the step of transmitting the communication notification is skipped, so that the configuration process of the intelligent television and the wireless transmitter can be simplified, and the starting efficiency of the intelligent television is improved.
And S20, transmitting the packaged audio signal in a wireless mode so as to transmit the audio signal to a power amplifier.
Specifically, the power amplifier and the smart television are configured with the same wireless communication device, and the wireless communication device may receive ARC/MARC audio information and transmit the audio information to an HDMI interface of the power amplifier, so that the HDMI interface of the power amplifier may receive the ARC/MARC audio information in a wireless manner. In this embodiment, the power amplifier is configured with a wireless receiver, and the wireless receiver is connected to an HDMI interface of the power amplifier.
Example two
The embodiment provides an audio signal transmission method, which is applied to a power amplifier configured with a second HDMI interface, and as shown in fig. 3, the method includes:
h10, receiving and unpacking the audio signal sent by the smart television by the wireless receiver to obtain the audio signal;
h20, transmitting the obtained audio signal to the power amplifier, so that the power amplifier receives the audio signal.
Specifically, the power amplifier is configured with a second HDMI interface, and a wireless receiver is arranged on the second HDMI interface. The wireless receiver can receive audio signals sent by the smart television in a wireless mode and transmit the received audio signals to the second HDMI of the power amplifier, so that the power amplifier can receive audio data sent by the smart television with the same communication mode as the power amplifier. In this embodiment, the audio signal is an ARC/EARC audio signal, that is, the power amplifier receives the ARC/EARC audio signal sent by the smart television through the wireless receiver, and plays the ARC/EARC audio. That is to say, the second transmits the acquired audio signal to the power amplifier through the second HDMI interface, so that the power amplifier receives the audio signal. In addition, the audio signal may be a compressed audio signal, and the compression format of the compressed audio signal may be any existing compression format, such as Dolby Atmos, DTS: X, and the like.
Further, in order to enable the power amplifier to communicate with the wireless receiver through the second HDMI interface, the method further includes:
the wireless receiver sends a communication request signal to the power amplifier and receives a communication response signal sent by the power amplifier within preset time according to the communication request signal;
and establishing a communication protocol with the power amplifier according to the communication response signal so as to send the audio signal to the power amplifier according to the communication protocol.
Specifically, as shown in fig. 4, the structure of the wireless receiver is the same as that of the wireless transmitter, and the difference is that the wireless receiver includes a wireless receiving module 103a, and a data flow direction between the wireless receiving module 103a, the data processing module 102, and the processor 101, the wireless receiving module 103a receives audio information sent by the wireless transmitting module 103 and sends the audio information to the data processing module, the data processing module decompresses the audio information to obtain ARC/EARC audio data carried by the audio information, sends the decompressed ARC/EARC audio data to the processor 101, and the processor 101 transmits the ARC/EARC audio data to the power amplifier through the second HDMI interface, so that the power amplifier receives the ARC/EARC audio data.
Further, the communication request signal may be actively sent to the power amplifier by the wireless receiver, that is, when the wireless receiver is started, the wireless receiver transmits the communication request signal to the power amplifier, and establishes a communication protocol with the smart television according to the communication response signal transmitted by the power amplifier. Of course, in practical applications, the communication request signal may be generated according to a communication notification sent by the power amplifier. When the power amplifier is started, whether the HDMI interface of the power amplifier is configured with the wireless receiver is detected, when the power amplifier is configured with the wireless receiver, the HDMI interface is judged to be configured with the communication protocol corresponding to the wireless receiver, when the communication protocol is not configured, a communication notice for configuring the wireless communication protocol is transmitted to the wireless receiver, and the wireless receiver transmits a communication request signal to the power amplifier according to the communication notice. In addition, when the power amplifier is not configured with the wireless receiver or is configured with a communication protocol corresponding to the wireless receiver, the step of transmitting the communication notice is skipped, so that the configuration process of the power amplifier and the wireless receiver can be simplified, and the communication error rate of the wireless receiver and the power amplifier is reduced.
Based on the transmission method of the audio signal, the invention provides an intelligent television, which comprises a first HDMI interface, a wireless transmitter and a first memory, wherein the wireless transmitter is connected to the first HDMI interface, and a computer readable program which can be executed by the wireless transmitter is stored in the first memory; the wireless transmitter, when executing the computer readable program, implements the steps executed by the smart television in the audio signal transmission method as described above.
Based on the transmission method of the audio signal, the invention also provides a power amplifier, which comprises a second HDMI interface, a wireless receiver and a second memory, wherein the wireless receiver is connected to the second HDMI interface; the wireless receiver implements the steps executed by the power amplifier in the transmission method of the audio signal when executing the computer readable program.
Based on the smart television and the power amplifier, as shown in fig. 5, the invention further provides a smart television system, which includes the smart television 100 and the power amplifier 200, wherein the smart television 100 communicates with the power amplifier 200 through the wireless transmitter and the wireless receiver.
In addition, the specific processes loaded and executed by the instruction processors in the smart television and the power amplifier are described in detail in the method, and are not stated herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A transmission method of audio signals is applied to a smart television provided with a first HDMI interface loaded with a wireless transmitter, and comprises the following steps:
the wireless transmitter receives audio signals output by the intelligent television and packs the audio signals;
and transmitting the packed audio signal in a wireless mode so as to transmit the audio signal to a power amplifier.
2. The method for transmitting audio signals according to claim 1, wherein the wireless transmitter receives audio signals output by a smart television and packages the audio signals as follows:
the wireless transmitter receives ARC/EARC audio data output by the smart television through the first HDMI interface;
converting the ARC/EARC audio data to an audio signal and packetizing the audio signal.
3. The method for transmitting an audio signal according to claim 1, further comprising:
the wireless transmitter transmits a communication request signal to the intelligent television and receives a communication response signal transmitted by the intelligent television within preset time according to the communication request signal;
and establishing a communication protocol with the intelligent television according to the communication response signal so as to receive the audio signal sent by the intelligent television according to the communication protocol.
4. The method for transmitting the audio signal according to claim 1, wherein the power amplifier is configured with a second HDMI interface, and the second HDMI interface is connected to a wireless receiver.
5. A method for transmitting an audio signal is applied to a power amplifier configured with a second HDMI interface, wherein the second HDMI interface is loaded with a wireless receiver, and the method comprises the following steps:
the wireless receiver receives and unpacks the audio signal sent by the intelligent television to obtain the audio signal;
and transmitting the acquired audio signal to the power amplifier so that the power amplifier receives the audio signal.
6. The audio signal transmission method according to claim 5, wherein the transmitting the acquired audio signal to the power amplifier so that the receiving of the audio signal by the power amplifier specifically includes:
and transmitting the acquired audio signal to the power amplifier through a second HDMI interface so that the power amplifier receives the audio signal.
7. The method for transmitting an audio signal according to claim 5, further comprising:
the wireless receiver sends a communication request signal to the power amplifier and receives a communication response signal sent by the power amplifier within preset time according to the communication request signal;
and establishing a communication protocol with the power amplifier according to the communication response signal so as to send the audio signal to the power amplifier according to the communication protocol.
8. The audio signal transmission method according to claim 5, wherein the smart television is configured with a first HDMI interface, and the first HDMI interface is connected with a wireless transmitter.
9. The intelligent television is characterized by comprising a first HDMI interface, a wireless transmitter and a first memory, wherein the wireless transmitter is connected to the first HDMI interface, and a computer readable program which can be executed by the first processor is stored in the first memory; the wireless transmitter, when executing the computer readable program, implements the steps in the method of transmission of an audio signal according to any of claims 1-4.
10. The power amplifier is characterized by comprising a second HDMI interface, a wireless receiver and a second memory, wherein the wireless receiver is connected to the second HDMI interface; the wireless receiver implementing the steps in the method of transmission of an audio signal according to any one of claims 5-8 when executing the computer readable program.
11. An intelligent television system, comprising the intelligent television of claim 9 and the power amplifier of claim 10, wherein the intelligent television is in communication with the power amplifier via a wireless transmitter and the wireless receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561848.4A CN112153458A (en) | 2019-06-26 | 2019-06-26 | Audio signal transmission method, smart television, power amplifier and smart television system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910561848.4A CN112153458A (en) | 2019-06-26 | 2019-06-26 | Audio signal transmission method, smart television, power amplifier and smart television system |
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| CN112153458A true CN112153458A (en) | 2020-12-29 |
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| CN201910561848.4A Pending CN112153458A (en) | 2019-06-26 | 2019-06-26 | Audio signal transmission method, smart television, power amplifier and smart television system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140154994A1 (en) * | 2012-12-04 | 2014-06-05 | Brian Keith Mason | Wireless Video/Audio Signal Transmitter/Receiver |
| CN105243036A (en) * | 2014-07-10 | 2016-01-13 | 国民技术股份有限公司 | Signal conversion apparatus and method |
| CN205793122U (en) * | 2016-07-01 | 2016-12-07 | 广州长嘉电子有限公司 | A kind of stereo set with ARC passage |
| CN208424639U (en) * | 2018-05-04 | 2019-01-22 | 深圳市希望麦田科技有限公司 | A kind of wireless audio-video transmission equipment |
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2019
- 2019-06-26 CN CN201910561848.4A patent/CN112153458A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140154994A1 (en) * | 2012-12-04 | 2014-06-05 | Brian Keith Mason | Wireless Video/Audio Signal Transmitter/Receiver |
| CN103686428A (en) * | 2013-12-13 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Wireless playing control method of audio signals, intelligent television and wearable device |
| CN105243036A (en) * | 2014-07-10 | 2016-01-13 | 国民技术股份有限公司 | Signal conversion apparatus and method |
| CN205793122U (en) * | 2016-07-01 | 2016-12-07 | 广州长嘉电子有限公司 | A kind of stereo set with ARC passage |
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Application publication date: 20201229 |