Wow and flutter control apparatus for audio and video playback s

Details Wow and flutter control apparatus for audio and video playback s Wow and flutter control apparatus for audio and video playback s

1983-06-01

1985-08-13

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Recording or reproducing an information signal and a control...

Reference carrier to control demodulator

360 27, G11B 502

Patent

active

045353689

ABSTRACT:
Apparatus for correcting the distortion in the output of a playback device introduced by wow and flutter by sampling a constant frequency as reproduced and comparing it with the signal as originally recorded to produce a correction signal for modulating a delay device coupled to the output of the playback device.

REFERENCES:
patent: 3897379 (1975-07-01), Defrancesco et al.
patent: 4353099 (1982-10-01), Shum et al.
patent: 4425589 (1984-01-01), Camras

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