Method and apparatus for converting data streams

Details Method and apparatus for converting data streams Method and apparatus for converting data streams

2005-05-31

2005-05-31

Ngo, Ricky (Department: 2663)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S486000, C370S535000, C370S236000

Reexamination Certificate

active

06901078

ABSTRACT:
A digital video recorder or similar apparatus implements a method of converting an input data stream having an MPEG-2 Program Stream (PS) format into an output data stream having an MPEG-2 Transport Stream (TS) format. The input data stream (PS) includes data of at least first and second elementary data streams (404, 406) formed and multiplexed in compliance with a PS decoder model. A scheduler (412) within the apparatus inhibits reading of a further data block from the input stream when, in the absence of a vacancy for data of an audio elementary stream within a target decoder model (418), a clock reference (SCR) of said input data stream advances beyond a clock reference of said output data stream by a predetermined waiting threshold.

REFERENCES:
patent: 6172988 (2001-01-01), Tiernan et al.
patent: 6327275 (2001-12-01), Gardner et al.
patent: 6567409 (2003-05-01), Tozaki et al.
patent: 0833514 (1998-04-01), None
patent: 10243394 (1998-09-01), None

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