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Convention Paper

SODOP Algorithm as a Principle for the Design of the Ambient Noise Controlled Amplifier

Authors: Vlah, Zeljko J.

AES Convention 92 · Paper 3248 · March 1992

Abstract

The oscillatory response due to the positive feedback of the ANCA (Ambient Noise Controlled Amplifier) in the changing high background noise environment is corrected with the Static-On/Dynamic-Off Page (SODOP) algorithm for the amplifier gain. The SODOP algorithm principle is based on the constant background noise measurements and the dynamic change of the amplifier gain in the periods of page-off, and the static constant amplifier gain during page-on. A hardware version of ANCA with the SODOP algorithm was developed confirming advantages of SODOP version in comparison to presently available ANCA's, particularly where it is impractical or impossible to provide diapason of minimum and maximum background noise during amplifier calibration.

Details

Published in
AES Convention 92
AES Convention
92
Paper number
3248
Publication date
March 6, 1992
Session subject
Digital Signal Processing
Type
Convention Paper