Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sapna George0
Jianhua Sun0
Date of Patent
April 27, 2010
0Patent Application Number
107957960
Date Filed
March 8, 2004
0Patent Primary Examiner
Patent abstract
A method of decoding audio data, encoded in multiple DIF blocks in a Digital Video (DV) data stream, and outputting said audio data as a PCM frame, includes fetching a single Digital Interface Frame (DIF) block from the DV data stream. A first byte in the single DIF block is de-shuffled to determine its index (n) in the PCM frame. Each byte in the in the single DIF block is de-shuffled to determine its respective index (n) in the PCM frame. The de-shuffled data is written into the PCM frame for output if the present DIF block is the last in the present DV frame. Subsequent DIF blocks in the DV frame are processed in the manner described above.
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