CN204887256U - Utilize wireless image transmission's audio transmission system - Google Patents
Utilize wireless image transmission's audio transmission system Download PDFInfo
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- CN204887256U CN204887256U CN201520562743.8U CN201520562743U CN204887256U CN 204887256 U CN204887256 U CN 204887256U CN 201520562743 U CN201520562743 U CN 201520562743U CN 204887256 U CN204887256 U CN 204887256U
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Abstract
The utility model discloses an utilize wireless image transmission's audio transmission system, wherein, the output of an audio input module passes through audio encoding module to be connected with an audio output module's first input end, and time coding and control module's output is connected with an audio output module's second input, and an audio output module's output and the input that no line chart passed the transmitting terminal are connected, the 2nd audio output module's input and no line chart pass the output of receiving terminal to be connected, and the 2nd audio output module's first output passes through the audio decoder module to be connected with the input of the 2nd audio input module, and the 2nd audio output module's second output and time are decoded and control module's input is connected. The utility model discloses code and control module and the time is decoded and control module between addding to same performance and cost satisfy the technological demand of specialized market to wireless image transmission system.
Description
Technical field
The utility model relates to a kind of audio transmission system utilizing wireless image transmission.
Background technology
In wireless universal image delivering system, usually only the information such as video, audio, register & mode can be transmitted, and in the wireless image transmission communication system of specialty, not only need the information such as transmission video, audio, register & mode, also will transmit the information such as timecode & control.Therefore general solution can not meet the demand of specialized market.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of audio transmission system utilizing wireless image transmission is provided, set up audio coding and control module and time decoder and control module, meet the technical need of specialized market to Wireless Image Transmission Systems with same performance and cost.
The purpose of this utility model is achieved through the following technical solutions: the audio transmission system utilizing wireless image transmission, and it comprises the FPGA processing unit, wireless image transmission transmitting terminal, wireless channel, wireless image transmission receiving terminal and the 2nd FPGA processing unit that connect successively.
Further, a described FPGA processing unit comprises the first Audio Input Modules, audio coding module, time encoding and control module and the first dio Output Modules, the output of the first Audio Input Modules is connected with the first input end of the first dio Output Modules by audio coding module, the output of time encoding and control module is connected with the second input of the first dio Output Modules, and the output of the first dio Output Modules is connected with the input of wireless image transmission transmitting terminal.
Further, described 2nd FPGA processing unit comprises the second Audio Input Modules, audio decoder module, time decoder and control module and the second dio Output Modules, the input of the second dio Output Modules is connected with the output of wireless image transmission receiving terminal, first output of the second dio Output Modules is connected with the input of the second Audio Input Modules by audio decoder module, and the second output of the second dio Output Modules is connected with the input of time decoder and control module.
Further, a described FPGA processing unit and the 2nd FPGA processing unit comprise XC6SLX25T chip.
Further, described wireless image transmission transmitting terminal and wireless image transmission receiving terminal comprise AMN2120 chip.
The beneficial effects of the utility model are: in the utility model, one FPGA processing unit is responsible for gathering image and carrying out compressed audio coding, wireless image transmission transmitting terminal is by wireless channel, and the data audio information transmissions audio compression data and time encoding and control information integrated by a FPGA processing unit is to wireless image transmission receiving terminal.The data audio-frequency information of the mixing of voice-grade channel is carried out transfer of data in the mode of transparent transmission by wireless image transmission transmitting terminal.
When wireless image transmission receiving terminal receives the voice-grade channel data of transparent transmission, the 2nd FPGA processing unit is given by the audio data transmission of transparent transmission, audio compression data is separated with time encoding and control information by the 2nd FPGA processing unit, and audio compression data is decoded, recover original voice data.The transmission demand of specialized market to time encoding and control information is achieved with this.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the utility model utilizes the audio transmission system of wireless image transmission.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, utilize the audio transmission system of wireless image transmission, it comprises the FPGA processing unit, wireless image transmission transmitting terminal, wireless channel, wireless image transmission receiving terminal and the 2nd FPGA processing unit that connect successively.
Further, a described FPGA processing unit comprises the first Audio Input Modules, audio coding module, time encoding and control module and the first dio Output Modules, the output of the first Audio Input Modules is connected with the first input end of the first dio Output Modules by audio coding module, the output of time encoding and control module is connected with the second input of the first dio Output Modules, and the output of the first dio Output Modules is connected with the input of wireless image transmission transmitting terminal.
Further, described 2nd FPGA processing unit comprises the second Audio Input Modules, audio decoder module, time decoder and control module and the second dio Output Modules, the input of the second dio Output Modules is connected with the output of wireless image transmission receiving terminal, first output of the second dio Output Modules is connected with the input of the second Audio Input Modules by audio decoder module, and the second output of the second dio Output Modules is connected with the input of time decoder and control module.
Further, a described FPGA processing unit and the 2nd FPGA processing unit comprise XC6SLX25T chip, are responsible for gathering image and carrying out compressed audio coding.
Further, described wireless image transmission transmitting terminal and wireless image transmission receiving terminal comprise AMN2120 chip.
In the utility model, one FPGA processing unit (XC6SLX25T chip) is responsible for gathering image and carrying out compressed audio coding, wireless image transmission transmitting terminal (AMN2120 chip) is by wireless channel, and the data audio information transmissions audio compression data and time encoding and control information timecode & control integrated by a FPGA processing unit is to wireless image transmission receiving terminal (AMN2120 chip).The data audio-frequency information of the mixing of voice-grade channel is carried out transfer of data in the mode of transparent transmission by wireless image transmission transmitting terminal (AMN2120 chip).
When wireless image transmission receiving terminal (AMN2120 chip) receives the voice-grade channel data of transparent transmission, the 2nd FPGA processing unit (XC6SLX25T chip) is given by the audio data transmission of transparent transmission, audio compression data is separated with time encoding and control information by the 2nd FPGA processing unit, and audio compression data is decoded, recover original voice data.The transmission demand of specialized market to time encoding and control information timecode & control is achieved with this.
Claims (3)
1. utilize the audio transmission system of wireless image transmission, it is characterized in that: it comprises the FPGA processing unit, wireless image transmission transmitting terminal, wireless channel, wireless image transmission receiving terminal and the 2nd FPGA processing unit that connect successively;
A described FPGA processing unit comprises the first Audio Input Modules, audio coding module, time encoding and control module and the first dio Output Modules, the output of the first Audio Input Modules is connected with the first input end of the first dio Output Modules by audio coding module, the output of time encoding and control module is connected with the second input of the first dio Output Modules, and the output of the first dio Output Modules is connected with the input of wireless image transmission transmitting terminal;
Described 2nd FPGA processing unit comprises the second Audio Input Modules, audio decoder module, time decoder and control module and the second dio Output Modules, the input of the second dio Output Modules is connected with the output of wireless image transmission receiving terminal, first output of the second dio Output Modules is connected with the input of the second Audio Input Modules by audio decoder module, and the second output of the second dio Output Modules is connected with the input of time decoder and control module.
2. the audio transmission system utilizing wireless image transmission according to claim 1, is characterized in that: a described FPGA processing unit and the 2nd FPGA processing unit comprise XC6SLX25T chip.
3. the audio transmission system utilizing wireless image transmission according to claim 1, is characterized in that: described wireless image transmission transmitting terminal and wireless image transmission receiving terminal comprise AMN2120 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562743.8U CN204887256U (en) | 2015-07-30 | 2015-07-30 | Utilize wireless image transmission's audio transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520562743.8U CN204887256U (en) | 2015-07-30 | 2015-07-30 | Utilize wireless image transmission's audio transmission system |
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| CN204887256U true CN204887256U (en) | 2015-12-16 |
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| CN201520562743.8U Active CN204887256U (en) | 2015-07-30 | 2015-07-30 | Utilize wireless image transmission's audio transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112565644A (en) * | 2020-12-01 | 2021-03-26 | 云杉(天津)技术有限公司 | Transmission method of communication system |
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- 2015-07-30 CN CN201520562743.8U patent/CN204887256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112565644A (en) * | 2020-12-01 | 2021-03-26 | 云杉(天津)技术有限公司 | Transmission method of communication system |
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