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Noise suppression system

  • US 4,628,529 A
  • Filed: 07/01/1985
  • Issued: 12/09/1986
  • Est. Priority Date: 07/01/1985
  • Status: Expired due to Term
First Claim
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1. An improved noise suppression system for attenuating the background noise from a noisy input signal to produce a noise-suppressed output signal, said noise suppression system comprising:

  • means for separating the input signal into a plurality of pre-processed signals representative of selected frequency channels;

    means for modifying an operating parameter of each of said plurality of pre-processed signals provided by said signal separating means to provide a plurality of post-processed signals; and

    means responsive to said plurality of pre-processed signals and said plurality of post-processed signals for generating a modification signal for application to said modifying means to enable the operating parameter to be modified.

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