Timing detection device and method

Details Timing detection device and method Timing detection device and method

1996-06-20

1998-10-06

Lee, Michael

Television

Miscellaneous

348845, 348423, 348515, H04N 712

Patent

active

058185470

ABSTRACT:
A timing detection device employed in a video decoder comprising a counter for counting the number of frames of coded picture data stored in a frame memory area of a RAM; a register where the count value of the counter is loaded in accordance with the timing when a PTS (presentation time stamp) is supplied from a demultiplexer to a host processor, and the loaded count value is decremented upon completion of each analysis performed per frame of the coded picture data read out from the storage area; and a frame counter for outputting a timing detection signal from a "0" detector when the count value of the register is reset to zero. In detection of the timing to process the frame data corresponding to the PTS used as reproduction output time management information for video and audio synchronism control, it becomes possible to achieve proper interchangeability and reduction of the cost.

REFERENCES:
patent: 5396497 (1995-03-01), Veltman
patent: 5517250 (1996-05-01), Hoogenboom et al.
patent: 5559999 (1996-09-01), Maturi et al.
patent: 5596420 (1997-01-01), Daum
patent: 5598415 (1997-01-01), Nuber et al.
patent: 5668841 (1997-09-01), Haskell et al.
patent: 5715176 (1998-02-01), Mobini

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