Method and apparatus for increasing the recording capacity of a

Details Method and apparatus for increasing the recording capacity of a Method and apparatus for increasing the recording capacity of a

1976-07-07

1978-02-21

Lucas, Jay P.

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 55, G11B 5012

Patent

active

040756653

ABSTRACT:
A method of recording and reproducing audio information on a disc shaped record carrier. During recording the audio information is divided into consecutive information segments of a duration .tau..sub.t. Each information segment is subjected to time compression before recording. The duration .tau..sub.t and the time compression are selected so that optimum use is made of the recording capacity of the record carrier without information loss. During reproduction the information segments are subjected to a complementary time expansion and recombined in their original sequence.

REFERENCES:
patent: 3334193 (1967-08-01), Dow
patent: 3789137 (1974-01-01), Newell
patent: 3860760 (1975-01-01), Rittenbach
patent: 3869708 (1975-03-01), Schiffman
patent: 3878560 (1975-04-01), Ramage

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