Multiplexer and multiplexing method

Details Multiplexer and multiplexing method Multiplexer and multiplexing method

2007-04-09

2010-06-01

Trost, IV, William (Department: 2472)

Multiplex communications

Communication techniques for information carried in plural...

Assembly or disassembly of messages having address headers

C709S231000, C386S349000, C386S349000

Reexamination Certificate

active

07729383

ABSTRACT:
A multiplexer according to an embodiment of the present invention multiplexes a video ES and an audio ES to generate a transport stream TS, and includes a video buffer, an audio buffer, and a multiplexing unit. A multiplexing unit executes simulation of a buffer occupation necessary for a video ES upon decoding the TS, and controls multiplexing of the video ES not to cause overflow of a buffer based on the simulation result. In the simulation, a predetermined time Δt is divided by N ((main buffer leak rate/system clock frequency)×N (N is an integer)=integer), the remainder R is carried over to the next calculation, and a current main buffer leak data amount is calculated by integer arithmetic based on the integral quotient.

REFERENCES:
patent: 2001/0055318 (2001-12-01), Obata et al.
patent: 2002/0129155 (2002-09-01), Kovacevic
patent: 2005/0036763 (2005-02-01), Kato et al.
patent: 2006/0188223 (2006-08-01), Ikeda et al.
patent: 9-284732 (1997-10-01), None
patent: 11-341054 (1999-12-01), None

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