Peak-limiting apparatus for audio signal

Details Peak-limiting apparatus for audio signal Peak-limiting apparatus for audio signal

H - Electricity

04

R

179/2

H04R 3/02 (2006.01) H03G 11/00 (2006.01)

Patent

CA 1113866

ABSTRACT OF THE DISCLOSURE A circuit which provides a control signal to dynamically adjust the level of clipping for an audio signal is described. The criterion for allowable clipping employed by the circuit is whether the clipper induced distortion is noticeable; the clipper induced distortion may be audible, however, remain unnoticeable. A frequency weighted correlation is performed on the audio signal to evaluate the waveform and establish a unnoticeable level of clipping.

316973

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