Method of sound signal restoration

摘要

The method of restoring a sound signal distorted at recording, reproducing, transferring and processing by various devices of a sound path is intended to make a sound signal adequate to the original signal. It is possible to restore a sound signal by subtracting a balance error out of a sound signal. The error of balance is characterized by the change in time in the process of the sound signal change. The error of balance is accumulated as the sum of amplitudes of a bipolar sound signal at every moment of time. At every moment of time only a part of the current error of balance is subtracted from a sound signal. It is possible to calculated a part (A) of the current balance error (S) 4 as A = S/T, where T is the interval of time determined by the minimal frequency of a sound signal. The offered method of restoring of a sound signal can be realized as separate applied programs as well as a program code used in programmed devices (Digital Sound Processor). The sound signal in these cases should be submitted as a digital code.