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Real time pitch detection by stream processing

  • US 4,486,900 A
  • Filed: 03/30/1982
  • Issued: 12/04/1984
  • Est. Priority Date: 03/30/1982
  • Status: Expired due to Term
First Claim
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1. A method for detecting the pitch of a speech pattern, comprising the steps of:

  • sampling a speech pattern at spaced time intervals to form a series of sample signals representative of the pattern;

    gating every Qth sample, Q between 2 and 6, into a storage device, thereby storing a predetermined number of past samples, andprocessing said original samples and said stored Qth samples to generate a signal representative of the pitch of the speech pattern.

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