Digital data insertion apparatus and methods for use with...

Details Digital data insertion apparatus and methods for use with... Digital data insertion apparatus and methods for use with...

H - Electricity

03

M

H03M 7/30 (2006.01) H04H 20/28 (2009.01) H04H 60/33 (2009.01) H04N 7/26 (2006.01) H03M 13/09 (2006.01)

Patent

CA 2503340

Methods and apparatus for inserting data a compressed data bitstream are disclosed. The methods and apparatus time shift first data in a first portion of the compressed data bitstream to increase a size of a second portion of the compressed data bitstream and insert second data in the second portion of the compressed data bitstream to form a modified compressed data bitstream.

L'invention concerne des procédés et un appareil permettant d'insérer des données numériques dans un flux binaire de données compressées. Les procédés et l'appareil décalent temporellement des premières données dans une première partie du flux binaire de données compressés afin d'augmenter la taille d'une seconde partie du flux binaire de données compressées, et insèrent des secondes données dans la seconde partie du flux binaire de données compressées afin de former un flux binaire de données compressées modifiées.

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