Multiplexing method preventing overflow of audio decoder buffer

Details Multiplexing method preventing overflow of audio decoder buffer Multiplexing method preventing overflow of audio decoder buffer

2011-01-18

2011-01-18

Pérez-Gutiérrez, Rafael (Department: 2617)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C386S349000, C370S535000, C370S538000

Reexamination Certificate

active

07873263

ABSTRACT:
A time zone start time point calculating unit calculates a time zone to be set in a VOBU in accordance with audio bit rate. A time zone comparing unit compares a time point at which an audio pack is to be multiplexed with the time zone calculated by the time zone start time point calculating unit. A flag setting unit sets whether the audio pack is to be completed or not in accordance with the result of comparison by the time zone comparing unit. Therefore, a completing process takes place before a VOBU boundary, and a completed PCK will not be generated immediately after the VOBU boundary. Thus, generation of a buffer overflow can be prevented.

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“Development of an MPEG-2 Video Encoder LSI with a multiplexing function”, N. Hayashi et al., ITE Technical Report vol. 23, No. 65, pp. 49-54 Nov. 20, 1998 (with partial translation).

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