CN211019029U - Coding and decoding integrated audio and video processor - Google Patents
Coding and decoding integrated audio and video processor Download PDFInfo
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- CN211019029U CN211019029U CN202020122151.5U CN202020122151U CN211019029U CN 211019029 U CN211019029 U CN 211019029U CN 202020122151 U CN202020122151 U CN 202020122151U CN 211019029 U CN211019029 U CN 211019029U
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- 230000005611 electricity Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses an integrative audio frequency and video treater of coding and decoding, including coding and decoding circuit, dial switch circuit, ethernet circuit, audio frequency and video output circuit and audio frequency and video input circuit, dial switch circuit, ethernet circuit, audio frequency and video output circuit and video input circuit are connected with coding and decoding circuit electricity respectively, dial switch circuit is used for exporting control signal to coding and decoding circuit, coding and decoding circuit can regard as decoder or encoder according to control signal, the encoder exports to the ethernet through the ethernet circuit after with the signal coding of audio frequency and video input circuit input, the decoder exports to audio frequency and video equipment through audio frequency and video output circuit after decoding the signal of ethernet input. The utility model provides an integrative audio frequency and video treater of coding and decoding can carry out the switching of receiving terminal and sending terminal according to actual demand.
Description
Technical Field
The utility model relates to an audio and video transmission technical field, specifically speaking relates to an integrative audio and video treater of coding and decoding.
Background
In the process of transmitting the audio and video signals, encoding and decoding of the audio and video signals are usually involved, and a receiving end and a transmitting end of the audio and video signals are correspondingly arranged. The existing receiving end or sending end in the audio/video signal transmission system has a single fixed function, cannot switch the sending or receiving function according to the actual requirement, and cannot meet the flexible requirement of a user.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrative audio frequency video processor of coding and decoding can carry out the switching of receiving terminal and sending terminal according to actual demand.
The utility model discloses a technical scheme that the integrative audio frequency and video treater of coding and decoding adopted is:
an audio and video processor integrating coding and decoding comprises a coding and decoding circuit, a dial switch circuit, an Ethernet circuit, an audio and video output circuit and an audio and video input circuit, wherein the dial switch circuit, the Ethernet circuit, the audio and video output circuit and the audio and video input circuit are respectively electrically connected with the coding and decoding circuit, the dial switch circuit is used for outputting a control signal to the coding and decoding circuit, the coding and decoding circuit can be used as a decoder or an encoder according to the control signal, the encoder encodes a signal input by the audio and video input circuit and outputs the encoded signal to the Ethernet through the Ethernet circuit, and the decoder decodes the signal input by the Ethernet and outputs the decoded signal to audio and video equipment through the audio and video output circuit.
Preferably, the wireless communication device further comprises a first wireless circuit, wherein the first wireless circuit is used for transmitting the signal decoded by the decoder or the signal encoded by the encoder.
As a preferable scheme, the wireless communication device further comprises a second wireless circuit, wherein the second wireless circuit is used for receiving wireless signals, the encoder encodes the received wireless signals and outputs the encoded wireless signals through an ethernet circuit, or the decoder decodes the received wireless signals and outputs the decoded wireless signals through an audio/video output circuit.
Preferably, the codec circuit comprises a control chip of a HI3521D model.
Preferably, the ethernet circuit includes a transceiver chip of model RT L8211 and an ethernet interface, and the transceiver chip is used for decapsulating or encapsulating ethernet data and receiving or transmitting the ethernet data through the ethernet interface.
As a preferred scheme, the audio/video input circuit comprises a receiving chip of a model number IT6801 and an audio/video input interface, the audio/video input interface is used for receiving audio/video signals, and the receiving chip separates the video signals and the audio signals in the audio/video signals and sends the separated signals to the coding and decoding circuit.
Preferably, the audio/video output circuit includes a video output interface and an audio output interface.
The utility model discloses an integrative audio frequency and video processor of coding and decoding's beneficial effect is: the dial switch circuit outputs different control signals, so that the coding and decoding circuit can be used as an independent encoder or decoder, when the coding and decoding circuit is used as an encoder, the audio and video input circuit and the Ethernet circuit are matched to transmit audio and video data, and when the decoding circuit is used as a decoder, the Ethernet circuit and the audio and video output circuit are matched to transmit the audio and video data, so that the receiving end and the sending end are switched.
Drawings
Fig. 1 is a schematic structural diagram of the audio/video processor with integrated encoding and decoding functions of the present invention.
Fig. 2 is a schematic diagram of the decoding flow of the audio and video processor integrating encoding and decoding.
Fig. 3 is a schematic diagram of the encoding flow of the audio/video processor with integrated encoding and decoding functions of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, 2 and 3, the audio/video processor integrating encoding and decoding includes an encoding and decoding circuit, a dial switch circuit, an ethernet circuit, an audio/video output circuit and an audio/video input circuit, where the dial switch circuit, the ethernet circuit, the audio/video output circuit and the audio/video input circuit are respectively electrically connected to the encoding and decoding circuit, the dial switch circuit is used to output a control signal to the encoding and decoding circuit, the encoding and decoding circuit can serve as a decoder or an encoder according to the control signal, the encoder encodes a signal input by the audio/video input circuit and outputs the encoded signal to the ethernet through the ethernet circuit, and the decoder decodes the signal input by the ethernet and outputs the decoded signal to the audio/video device through the audio/video output circuit.
The dial switch circuit outputs different control signals, so that the coding and decoding circuit can be used as an independent encoder or decoder, when the coding and decoding circuit is used as an encoder, the audio and video input circuit and the Ethernet circuit are matched to transmit audio and video data, and when the decoding circuit is used as a decoder, the Ethernet circuit and the audio and video output circuit are matched to transmit the audio and video data, so that the receiving end and the sending end are switched.
The audio and video processor integrating encoding and decoding also comprises a first wireless circuit and a second wireless circuit. The first radio circuit and the second radio circuit are both implemented by a radio module of model SR6225 UE.
The first wireless circuit is used for transmitting signals decoded by the decoder or signals coded by the coder. The second wireless circuit is used for receiving wireless signals, the encoder encodes the received wireless signals and outputs the encoded wireless signals through the Ethernet circuit, or the decoder decodes the received wireless signals and outputs the decoded wireless signals through the audio and video output circuit. When a transmission system is formed by a plurality of audio and video processors integrated with coding and decoding, a wireless transmission system can be formed by a first wireless circuit and a second wireless circuit, and each audio and video processor integrated with coding and decoding is equivalent to a wired repeater, so that the coverage range of wireless signals is effectively ensured.
The coding and decoding circuit comprises a control chip with a model HI 3521D. The HI3521D is an audio/video encoding/decoding integrated multifunctional control chip, and can independently realize an audio/video encoding function or a decoding function through different control signals input by a dial switch circuit, so that switching between a receiving end and a transmitting end is realized. Specifically, dial switch circuit accessible key switch realizes, when key switch closure, control chip receives the high level, when key switch disconnection, then receives the low level, and control chip then goes to realizing different functions according to the level that receives, for example before control chip circular telegram, closes key switch, then the function of realization encoder after control chip circular telegram.
The Ethernet circuit comprises a transceiver chip with a model RT L8211 and an Ethernet interface, wherein the transceiver chip is used for decapsulating or encapsulating Ethernet data and receiving or sending the Ethernet data through the Ethernet interface, so that audio and video signals can be transmitted through the Ethernet, and the Ethernet interface can be an RJ45 interface and an optical fiber interface.
The audio and video input circuit comprises a receiving chip of a model IT6801 and an audio and video input interface. The audio and video input interface can be an HDMI interface, can receive video signals and audio signals at the same time, separates the video signals and the audio signals in the HDMI signals through the receiving chip and sends the video signals and the audio signals to the control chip, and the control chip respectively encodes the audio and video signals and outputs the audio and video signals through the Ethernet interface or the first wireless circuit.
The audio and video output circuit comprises a video output interface and an audio output interface. The video output interface can be an HDMI interface, the audio output interface can be an AES/EBU interface, the control chip outputs the decoded video signal through the video output interface, and the decoded audio signal is output through the audio output interface. Specifically, the audio output interface, the video output interface and the audio/video input interface can be correspondingly increased or changed according to the audio/video format supported by the control chip.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The audio and video processor integrating coding and decoding is characterized by comprising a coding and decoding circuit, a dial switch circuit, an Ethernet circuit, an audio and video output circuit and an audio and video input circuit, wherein the dial switch circuit, the Ethernet circuit, the audio and video output circuit and the audio and video input circuit are respectively electrically connected with the coding and decoding circuit, the dial switch circuit is used for outputting a control signal to the coding and decoding circuit, the coding and decoding circuit can be used as a decoder or an encoder according to the control signal, the encoder encodes a signal input by the audio and video input circuit and outputs the encoded signal to the Ethernet through the Ethernet circuit, and the decoder decodes the signal input by the Ethernet and outputs the decoded signal to audio and video equipment through the audio and video output circuit.
2. The codec-integrated audio-video processor of claim 1, further comprising a first wireless circuit for transmitting a signal decoded by the decoder or a signal encoded by the encoder.
3. The codec-integrated audio/video processor according to claim 1, further comprising a second wireless circuit, wherein the second wireless circuit is configured to receive a wireless signal, the encoder encodes the received wireless signal and outputs the encoded wireless signal through an ethernet circuit, or the decoder decodes the received wireless signal and outputs the decoded wireless signal through an audio/video output circuit.
4. The codec integrated audio-video processor of claim 1, wherein the codec circuit comprises a control chip of type HI 3521D.
5. The codec integrated audio/video processor of claim 1, wherein the ethernet circuit comprises a transceiver chip of model RT L8211 and an ethernet interface, and the transceiver chip is used for decapsulating or encapsulating ethernet data and receiving or transmitting the ethernet data through the ethernet interface.
6. The audio and video processor integrating encoding and decoding as claimed in claim 1, wherein the audio and video input circuit comprises a receiving chip of type IT6801 and an audio and video input interface, the audio and video input interface is used for receiving audio and video signals, and the receiving chip separates out the video signals and the audio signals in the audio and video signals and sends the video signals and the audio signals to the encoding and decoding circuit.
7. The codec integrated audio-video processor of claim 1, wherein the audio-video output circuit comprises a video output interface and an audio output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020122151.5U CN211019029U (en) | 2020-01-18 | 2020-01-18 | Coding and decoding integrated audio and video processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020122151.5U CN211019029U (en) | 2020-01-18 | 2020-01-18 | Coding and decoding integrated audio and video processor |
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| Publication Number | Publication Date |
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| CN211019029U true CN211019029U (en) | 2020-07-14 |
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| CN202020122151.5U Expired - Fee Related CN211019029U (en) | 2020-01-18 | 2020-01-18 | Coding and decoding integrated audio and video processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132663A (en) * | 2021-04-15 | 2021-07-16 | 深圳市鲲鹏视讯科技有限公司 | Coding and decoding integrated circuit and coding and decoding method thereof |
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2020
- 2020-01-18 CN CN202020122151.5U patent/CN211019029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132663A (en) * | 2021-04-15 | 2021-07-16 | 深圳市鲲鹏视讯科技有限公司 | Coding and decoding integrated circuit and coding and decoding method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |