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DSP Techniques for Determining "Wow" Distortion

Algorithms for determining the wow distortion characteristic are proposed. These are the power-line-hum tracking algorithm, the high-frequency-bias tracking algorithm, and the algorithm based on an adaptive analysis of the center of gravity of the spectrum of the distorted signal. All of the algorithms presented allow a hardware- or software-based implementation.

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JAES Volume 55 Issue 4 pp. 266-284; April 2007
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