Systems and methods for channel switching

The invention relates to systems and methods for channel switching. Techniques for video encoding and decoding channel switch frames (CSF) to enable acquisition and re/synchronization of the video stream while preserving compression efficiency are provided. Systems and methods to process multimedia...

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Main Authors SWAZEY SCOTT T, CHEN ANMEI, ORR BRIAN WILLIAM, SILBERGER AMNON, RAVEENDRAN VIJAYALAKSHMI R, LOUKAS SERAFIM S, SHI FANG, BENNETT CHRISTOPHER JOHN
Format Patent
LanguageChinese
English
Published 03.04.2013
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:The invention relates to systems and methods for channel switching. Techniques for video encoding and decoding channel switch frames (CSF) to enable acquisition and re/synchronization of the video stream while preserving compression efficiency are provided. Systems and methods to process multimedia data enabling channel switching are presented. The systems generate a CSF with one or more network adaptation layer (NAL) units as a random access point (RAP) frame. Back-to-back frames are transmitted which include the CSF and a non-RAP frame, each having the same frame ID number.
Bibliography:Application Number: CN201210469826