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Convention Paper

Speed, Pitch, and Timing Errors in Tape Recording and Reproducing

Authors: McKnight, John G.

AES Convention 33 · Paper 555 · October 1967

Abstract

Because tape is a plastic medium driven by a capstan in a complicated rolling process, an accurate specification of -tape speed- is not simple. However, even a complete specification of -tape speed- alone is not adequate to specify the pitch and timing error because changes of the recorded wavelength due to tape length changes cause additional independent timing and pitch errors of up to 1.0%. These are comparable to the NAB -tape speed- alone is not adequate to specify the pitch and timing error because changes of the recorded wavelength due to tape length changes cause additional independent timing and pitch errors of up to 1.0%. These are comparable to the NAB -tape speed- tolerance of ±0.2%. Measurement techniques are also reviewed.

Details

Published in
AES Convention 33
AES Convention
33
Paper number
555
Publication date
October 6, 1967
Affiliation
Ampex Consumer and Educational Products Division, Los Gatos, CA (See document for exact affiliation information.)
Type
Convention Paper