Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of equalizing
Patent
1990-06-14
1992-06-09
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
General recording or reproducing
Specifics of equalizing
360 67, G11B 5035, G11B 502
Patent
active
051212676
ABSTRACT:
An apparatus and method are provided for controlling the level of an audio output signal which has been recorded and is played back from a magnetic tape at a low or zero tape speed, such as utilized in jog mode or variable speed playback during editing. A gain control signal is provided to eliminate a disturbing repetitive audio signal which accompanies stop motion playback and to reduce that signal level at low tape speed playback. The gain control signal is made dependent on the magnitude of tape speed, and it is applied to adjust the audio output gain of the playback channel.
REFERENCES:
VPR-300 Series Video Production Recorder (VPR) Service Manual, vol. I, and VPR-300 Series VPR Operation Manual, Ampex Corporation, Aug. 1989. FIG. 1 of applicant's drawings.
VPR-300 Series Video Production Recorder Service Manual, vols. I and II, Catalog No. 1520528-02, issued by Ampex Corporation, Redwood City, California, Aug. 1989.
Ampex Corporation
Kim Won Tae C.
Psitos Aristotelis
Roddy Richard J.
Strnad Elizabeth E.
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