The pitch extracting part generates a pitch waveform signal in a manner making the time interval of the pitch of the input audio sound data to be the same. After the number of samples in each region is made to be the same by the re-sampling part, the pitch waveform signal is changed into a subband data...http://www.google.fr/patents/US7421304?utm_source=gb-gplus-shareBrevet US7421304 - Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method
Audio signal processing device, signal recovering device, audio signal ...
