Apparatus for recording and reproducing variable length codes

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data in specific format

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360 32, 386 33, 386 39, 386 40, 386111, G11B 509, G11B 500

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active

056686773

ABSTRACT:
A digital signal recording and reproducing apparatus are disclosed which can record digital data of the advanced television (ATV) system or some other digital data onto a recording medium without the necessity of displacing recording areas for sub codes of the recording medium and can thus make effective use of the recording capacity of the recording medium. When an ordinary television signal is to be recorded, the length of the Inter Block Gap IBG and amble areas between an audio signal recording area and a video signal recording area is set to an integral number of times the length of a synchronizing block of a digital audio signal and a digital video signal. When data of the ATV system or like data are to be recorded, the data are recorded continuously from the audio signal recording area to the video signal recording area.

REFERENCES:
patent: 5175631 (1992-12-01), Juri et al.
patent: 5218454 (1993-06-01), Nagawasa et al.
patent: 5289277 (1994-02-01), Blanchard et al.
patent: 5335117 (1994-08-01), Park et al.
patent: 5381275 (1995-01-01), Nitta et al.
patent: 5434673 (1995-07-01), Inoue et al.
Patent Abstracts of Japan vol. 018, No. 275 (E-1553), May 25, 1994 & JP 06046369-A (Hitachi LTD) Feb. 18, 1994 *abstract*.

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