Method of generating video reproduction synchronizing...

Details Method of generating video reproduction synchronizing... Method of generating video reproduction synchronizing...

2005-07-12

2009-06-23

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C348S515000

Reexamination Certificate

active

07551839

ABSTRACT:
Exemplary embodiments include a method of generating a video reproduction synchronizing signal to generate a video reproduction synchronizing signal to reproduce video data and audio data in synchronization with each other. The method includes acquiring output processing end timing for output to an audio reproducing unit for one-frame equivalent audio data that is equivalent to a display period for one frame of video data; and generating the video reproduction synchronizing signal every time the output processing end timing is acquired. According to the method of generating a video reproduction synchronizing signal of the invention, since a video reproduction synchronizing signal is generated from audio data, it is possible to perform frame update for video data on the basis of only resources of a timer for audio reproduction. This makes highly accurate lip-sync possible and makes management of timer resources easy.

REFERENCES:
patent: 05-137103 (1993-06-01), None
patent: 06-343165 (1994-12-01), None
patent: 11-134804 (1999-05-01), None
patent: 11134804 (1999-05-01), None
patent: 2001-169249 (2001-06-01), None
patent: A-2003-339023 (2003-11-01), None
International Search Report for PCT/JP2005/013207, mailed October 25, 2005 (w/English-language Translation).

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