CN212381296U - AVS + professional satellite television receiver supporting double-rotation-code output - Google Patents
AVS + professional satellite television receiver supporting double-rotation-code output Download PDFInfo
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- CN212381296U CN212381296U CN202021667733.8U CN202021667733U CN212381296U CN 212381296 U CN212381296 U CN 212381296U CN 202021667733 U CN202021667733 U CN 202021667733U CN 212381296 U CN212381296 U CN 212381296U
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Abstract
The utility model discloses a support AVS + professional satellite television receiver of two yards outputs belongs to the satellite television receiver field, supports the AVS + professional satellite television receiver of two yards outputs including drawing the casing, the casing is inside including front panel, two yards output processing board and mainboard, the mainboard includes main control CPU unit, audio/video decoding unit, Tuner processing unit, code stream processing unit, CAM card processing unit, main control CPU unit respectively with audio/video decoding unit the Tuner processing unit the code stream processing unit the CAM card processing unit and the front panel two yards output processing board passes through the electricity and connects, the mainboard still includes outside audio/video input port. The utility model discloses a support AVS + professional satellite television receiver of two transcoding outputs can put through external equipment's audio signal, realizes the broadcast of satellite television program and the broadcast of leading-in video audio and video from other equipment.
Description
Technical Field
The utility model relates to a satellite television receiver field especially relates to a support AVS + professional satellite television receiver of two transcoding outputs.
Background
The high-definition transformation of the broadcast television network certificate in China is gradually realized, and with the rapid popularization of high-definition television programs, the satellite television channel gradually stops the transmission of standard-definition programs and only transmits the high-definition programs on the basis of the background. Meanwhile, the high-definition digital television coding standard released by the central office of China is AVS +, all high-definition programs transmitted to satellites must adopt the AVS + coding standard, and based on the background, an AVS + professional satellite television receiver supporting double-code output is needed.
Patent No. CN201721342299.4 discloses an AVS + professional satellite television receiver supporting dual transcoding output, which, however, can only receive signals transmitted from a satellite television station.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing an AVS + professional satellite television receiver that supports two transcoding output, except can receiving the signal that satellite television station transmitted and broadcast, can also put through the audio signal of external equipment, realize the broadcast of satellite television program and the broadcast of leading-in video audio and video from other equipment.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an AVS + professional satellite television receiver supporting double-code output, which comprises a casing, wherein the casing comprises a front panel and a double-code output processing plate; the main control CPU unit is respectively and electrically connected with the audio/video decoding unit, the Tuner processing unit, the code stream processing unit, the CAM card processing unit, the front panel and the double-code output processing board; the main board further comprises an external audio/video input port, and the external audio/video input port is directly electrically connected with the front panel through an audio/video switching circuit.
Preferably, the audio/video decoding unit includes an AVS + audio/video decoding unit and an audio/video output unit, and the audio/video decoding unit is connected to the main control CPU unit, the Tuner processing unit, the code stream processing unit, the CAM card processing unit, and the dual-transcoding output processing board through data wires, respectively.
Preferably, the code stream processing unit includes a code stream input switching processing unit, a code stream format conversion processing unit, and a code stream output processing unit.
Preferably, the dual transcoding output processing board includes an audio/video encoding unit, and a multiplexing output unit.
Preferably, the system further comprises a power panel for supplying power to the AVS + professional satellite television receiver supporting double-code-rotation output.
The utility model has the advantages that:
by installing the AV/YUV/S-VIDEO external audio/VIDEO input port and the position setting of the audio/VIDEO input port, the satellite television receiver not only can receive signals of a satellite television station for playing, but also can use external equipment to send audio/VIDEO signals to the receiver for playing, and the satellite television receiver has the television playing function and the existing audio/VIDEO playing function.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an AVS + professional satellite television receiver supporting dual-transcoding output according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a main board in an AVS + professional satellite television receiver supporting dual-transcoding output provided in an embodiment of the present invention.
In the figure:
1. a housing; 2. a main board; 21. a main control CPU unit; 22. an audio/video decoding unit; 221. an AVS + audio/video decoding unit; 222. an audio/video output unit; 23. a Tuner processing unit; 24. a code stream processing unit; 241. the code stream is input into a switching processing unit; 242. a code stream format conversion processing unit; 243. a code stream output processing unit; 25. a CAM card processing unit; 26. an external audio/video input port; 261. an audio/video switching circuit; 3. a front panel; 4. a dual transcoding output processing board; 41. an audio/video encoding unit; 42. an audio/video two encoding unit; 43. a multiplexing output unit; 5. a power panel.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the AVS + professional satellite television receiver supporting dual-transcoding output provided in this embodiment includes a housing 1, where the housing 1 includes a front panel 3, a dual-transcoding output processing board 4, and a main board 2, where the main board 2 includes a main control CPU unit 21, an audio/video decoding unit 22, a Tuner processing unit 23, a code stream processing unit 24, and a CAM card processing unit 25, where the main control CPU unit 21 is electrically connected to the audio/video decoding unit 22, the Tuner processing unit 23, the code stream processing unit 24, the CAM card processing unit 25, the front panel 3, and the dual-transcoding output processing board 4, respectively; the main board 2 further includes an external audio/VIDEO input port 26, the external audio/VIDEO input port 26 is directly electrically connected to the front panel 3 through an audio/VIDEO switching circuit 261, the external audio/VIDEO input port 26 is an AV/YUV/S-VIDEO external audio/VIDEO input port, and an external audio/VIDEO signal is directly transmitted to the front panel 3 through the external audio/VIDEO input port 26 and via an audio/VIDEO switch HEF4052 × 2, so that the audio/VIDEO of the external device is played on the television.
Further, the audio/video decoding unit 22 includes an AVS + audio/video decoding unit 221 and an audio/video output unit 222, and the audio/video decoding unit 22 is connected to the main control CPU unit 21, the Tuner processing unit 23, the code stream processing unit 24, the CAM card processing unit 25, and the dual-transcoding output processing board 4 through data conductors.
Further, the code stream processing unit 24 includes a code stream input switching processing unit 241, a code stream format conversion processing unit 242, and a code stream output processing unit 243.
Further, the dual transcoding output processing board 4 includes an audio/video encoding unit 41, an audio/video encoding unit 42, and a multiplexing output unit 43.
Furthermore, the AVS + professional satellite television receiver supporting dual-rotation-code output further comprises a power panel 5 for supplying power to the AVS + professional satellite television receiver supporting dual-rotation-code output.
In the present application, the main CPU may use a BCM7231 chip, the audio/video decoding may use an Mstar MSD7C51 chip, the audio/video first encoding uses a high definition h.264 encoding chip Fujitsu86H46, and the audio/video second encoding uses a Vixs XcodePro100 chip capable of supporting h.264 and MPEG2 encoding.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (5)
1. An AVS + professional satellite television receiver supporting dual transcoding output, comprising a housing (1), said housing (1) comprising inside:
a front panel (3);
a dual transcoding output processing board (4);
the main board (2) comprises a main control CPU unit (21), an audio/video decoding unit (22), a Tuner processing unit (23), a code stream processing unit (24) and a CAM card processing unit (25), wherein the main control CPU unit (21) is electrically connected with the audio/video decoding unit (22), the Tuner processing unit (23), the code stream processing unit (24), the CAM card processing unit (25), the front panel (3) and the double transcoding output processing board (4) respectively;
the main board (2) further comprises an external audio/video input port (26), and the external audio/video input port (26) is directly electrically connected with the front panel (3) through an audio/video switching circuit (261).
2. An AVS + professional satellite television receiver supporting dual transcoding output as claimed in claim 1, wherein:
the audio/video decoding unit (22) comprises an AVS + audio/video decoding unit (221) and an audio/video output unit (222), and the audio/video decoding unit (22) is respectively connected with the main control CPU unit (21), the Tuner processing unit (23), the code stream processing unit (24), the CAM card processing unit (25) and the double transcoding output processing board (4) through data conductors.
3. An AVS + professional satellite television receiver supporting dual transcoding output as claimed in claim 1, wherein:
the code stream processing unit (24) comprises a code stream input switching processing unit (241), a code stream format conversion processing unit (242) and a code stream output processing unit (243).
4. An AVS + professional satellite television receiver supporting dual transcoding output as claimed in claim 1, wherein:
the dual transcoding output processing board (4) comprises an audio/video first encoding unit (41), an audio/video second encoding unit (42) and a multiplexing output unit (43).
5. An AVS + specialty satellite television receiver supporting dual transcoding output as claimed in claim 1 further comprising:
and the power panel (5) is used for supplying power to the AVS + professional satellite television receiver supporting double-code-rotation output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667733.8U CN212381296U (en) | 2020-08-12 | 2020-08-12 | AVS + professional satellite television receiver supporting double-rotation-code output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667733.8U CN212381296U (en) | 2020-08-12 | 2020-08-12 | AVS + professional satellite television receiver supporting double-rotation-code output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212381296U true CN212381296U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021667733.8U Active CN212381296U (en) | 2020-08-12 | 2020-08-12 | AVS + professional satellite television receiver supporting double-rotation-code output |
Country Status (1)
| Country | Link |
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| CN (1) | CN212381296U (en) |
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2020
- 2020-08-12 CN CN202021667733.8U patent/CN212381296U/en active Active
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