Method and apparatus for editing an audio-visual signal having a

Details Method and apparatus for editing an audio-visual signal having a Method and apparatus for editing an audio-visual signal having a

1996-03-22

1999-03-30

Psitos, A.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 96, 386101, H04N 593

Patent

active

058899170

ABSTRACT:
A system for performing insertion editing on the audio portion of an audio-visual signal; wherein the video portion of the signal is coded in field/frame units, and the audio portion of the signal is coded in block units which are not synchronized with the field/frame units. The system allows the block units of audio to be insertion edited according to a command that is synchronized with the field/frame units of video--despite the non-synchronous relationship between the block and field/frame units. Audio editing is implemented through a switching scheme that adjusts the audio insertion begin point and end point to account for differences between the block unit and field/frame unit boundaries.

REFERENCES:
patent: 4618890 (1986-10-01), Kouyama et al.
patent: 4734795 (1988-03-01), Fukami et al.
patent: 4819088 (1989-04-01), Higurashi
patent: 5386493 (1995-01-01), Degen et al.

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