Method and apparatus for after recording of digital recording medium and method and apparatus for reproducing digital recording medium
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
Jul 15, 1999
filing date -
Sep 2, 1997
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Abstract
An after recording method comprising a first step of reading the original data including at least a video bit stream from a digital recording medium (1), a second step of decoding the original data, a third step of encoding audio data in synchronism with the decoding of the original data thereby to form a new audio bit stream, and a fourth step of writing the new audio bit stream in an area of the digital recording medium 1 corresponding to a time point substantially equal to the recording area of the original data. The sound after-recorded can be easily reproduced in accurate temporal agreement with the original image.
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