Sensoray USB A/V Codec
The Model 2253 USB a/v codec by Portland, Ore.-based is capable of simultaneously producing two different video streams from its single composite input and sending the streams out over a USB.
One of the streams can be a low-latency uncompressed stream (useful for real time previewing) and the other compressed, or both streams may be compressed. Image resolution is independently configurable for each stream, as well as compression type and bit rate in the case of compressed streams, according to the company.
Video and audio are available as elementary streams or may be multiplexed in MP4 container format. Up to 1,024 bytes of application-supplied data may be inserted in the H.264 or MPEG stream, at a specified frame interval or single shot.
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