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Restoration of Nonlinearly Distorted Magnetic Recordings

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An efficient method to restore nonlinearly distorted magnetic recordings is presented. Given the distorted recording and the actual recording device or a model of the record-reproduce process, the original input signal can be computed iteratively. Results from several computer simulations using a variety of nonlinear and linear distortions with different test signals are included. The algorithm converged with fewer than 40 iterations in all simulated restorations.

JAES Volume 32 Issue 1/2 pp. 26-30; February 1984
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AES - Audio Engineering Society