Video and audio comprehensive processing equipment
The invention provides video and audio comprehensive processing equipment which comprises a transmission switching board, a service board, an audio and video coding board card and an audio and video decoding board card which are integrated in the equipment and arranged on a backboard. The audio and...
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| Hauptverfasser: | , , , , , , , , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides video and audio comprehensive processing equipment which comprises a transmission switching board, a service board, an audio and video coding board card and an audio and video decoding board card which are integrated in the equipment and arranged on a backboard. The audio and video coding board card is used for converting an audio signal into a corresponding IP audio signal and converting a video signal into a corresponding IP video signal; the audio and video decoding board card is used for converting the IP audio signal into a corresponding audio signal and converting the IP video signal into a corresponding video signal; the business board is used for business logic control of the audio and video coding board card and the audio and video decoding board card; and the transmission switching board is used for interaction of the IP audio signal and the IP video signal. According to the system, the traditional functions of audio and video matrix, picture segmentation, subtitle superpositi |
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