Video transcoder stream multiplexing systems and methods

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United States of America Patent

PATENT NO 8325821
SERIAL NO

13369169

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Abstract

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In some embodiments, a video (e.g. MPEG-2, H.264) transcoder channel pool is used to transcode multiple independent videos (programs) per channel substantially concurrently. A syntactically-unified combined input video stream is assembled by interleaving segments of different input video streams. The combined stream may be a container stream or elementary stream. Each segment includes one or more groups of pictures (GOP). The combined stream includes the payload video data of the input streams in unmodified form, and modified header data characterizing the combined stream as a single video stream. The combined input stream is transcoded using a single transcoder channel/input port to generate a combined output video stream. Multiple independent output video streams are assembled by de-interleaving segments of the combined output video stream according to stored interleaving break identifiers. Assembling the output video streams includes updating output video stream header fields according to stored header field data.

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Patent Owner(s)

Patent OwnerAddress
VUEMIX INC3375 SCOTT BLVD SUITE 138 SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kizhepat, Govind Los Altos Hills, US 22 278
Lai, Yung-Hsiao Fremont, US 22 636
Nystrom, Erik Santa Clara, US 3 24

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