Digital signal recording device and playback device

Details Digital signal recording device and playback device Digital signal recording device and playback device

1996-01-19

1998-04-14

Chevalier, Robert

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 46, H04N 591

Patent

active

057403066

ABSTRACT:
In a digital signal recording and playback device, the transmission rate of input transport packets is identified. A recording mode, a rate at which data is to be recorded, is set on the basis of the identified transmission rate. Intra-frame or intra-field coded digital video data is extracted from the transport packets, and the extracted intra-frame or intra-field coded digital video data is reconstructed to generate special playback data. A recording format is generated such that the input transport packets and special playback data will be recorded at predefined positions on a track of a recording medium. The number of repetitions of the special playback data to be recorded on the recording medium or the recording format is varied depending on the recording mode. Because of the improvement in the recording rate of the fast playback data, the playback picture quality during fast playback can be improved.

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patent: 5282049 (1994-01-01), Hatakenaka et al.
patent: 5355229 (1994-10-01), Arano et al.
patent: 5377051 (1994-12-01), Lane et al.
patent: 5418658 (1995-05-01), Kwon
patent: 5499106 (1996-03-01), Arano et al.
International Workshop on HDTV '93, Proceedings vol. II, Ottawa, Canada (1993).

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