Recording audio signals

Details Recording audio signals Recording audio signals

1987-06-09

1988-06-14

Faber, Alan

Dynamic magnetic information storage or retrieval

Record editing

360 32, 360 381, 360 48, 358343, 358336, G11B 2012, H04N 5782

Patent

active

047515902

ABSTRACT:
In a method of recording digital audio signals of four audio channels in association with a digital video signal in oblique tracks using a 4-head digital video tape recorder, the digital audio signals are assembled into error-correction blocks each comprising two audio data words and two error-correction code check words, each oblique track comprises in sequence first and second sectors at the beginning of the track, a central portion in which the video signals are recorded, and third and fourth sectors at the end of the track, the audio data words and the check words are distributed to the four heads to be recorded in the sectors, and the assembly, the error-correction code and the distribution are such that the four audio channels can be correctly reproduced even if, on reproduction, any two of the sectors are lost from each reproduced track, or any two of the four heads fail to supply a reproduced output.

REFERENCES:
patent: 4224642 (1980-09-01), Mawatari
patent: 4473850 (1984-09-01), Foerster
patent: 4477844 (1984-10-01), Nakano
patent: 4516163 (1985-05-01), Masuda
patent: 4593394 (1986-06-01), Tominitsu

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