A pitch detection method. Such a pitch detection method may use Teager Energy Operator (TEO) and High Passed Filter (HPF) with Pseudo Weigner Ville Transformation (PWVT) to reduce the pitch deletion errors of highly correlated types of noises in a speech signal.
Note: this patent is registered to OmniSpeech, LLC.
U.S. Patent and Trademark Office DescriptionPTO
Inventor(s) Carol Espy-Wilson
, Vahid Khanagha