Multichannel recording and/or reproducing apparatus

Details Multichannel recording and/or reproducing apparatus Multichannel recording and/or reproducing apparatus

1994-07-12

1995-11-07

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 13, 360 32, 360 331, 360 64, G11B 500, G11B 1514

Patent

active

054651794

ABSTRACT:
In a magnetic recording and/or reproducing apparatus, when the reproduced audio data is processed in the reproduction system and the record system and is re-recorded in every cycle of N times the cycle during which the reproducing magnetic head scans a pair of recording tracks, the recording magnetic head is positioned behind the reproducing magnetic head for 8.5+4N track pitch so that the reproduced audio data can be re-recorded on the original recording track, therefor a write-after-read processing can be realized. In the recording magnetic head positioned behind the reproducing magnetic head for the specific track pitch, the audio data is stored in a memory circuit for time base compression and expansion with a multichannel mode such as to record the reproduced audio data at the same part on the magnetic tape, so that a magnetic recording and/or reproducing apparatus which enables to perform the write-after-read processing can be obtained with simple construction if the number of channel is switched. The 2 channel audio data is recorded by interleave processing in every cycle of N times the cycle forming a pair of recording tracks, so that even when the cycle during which a pair of recording track is formed is not kept to a multiple of integer of sample cycle, a magnetic recording apparatus and a magnetic recording and/or reproducing apparatus which record and reproduce a plurality of channel audio data can be provided.

REFERENCES:
patent: 4905104 (1990-02-01), Okamoto et al.
patent: 5063453 (1991-11-01), Yoshimura et al.
patent: 5197101 (1993-03-01), Mok
patent: 5285326 (1994-02-01), Fukami
patent: 5337199 (1994-08-01), Arai et al.

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