A sampled digital audio signal is displayed on a spectrogram, in terms of frequency vs. time. An unwanted noise in the signal is visible in the spectrogram and the portion of the signal containing the unwanted noise can be selected using time and frequency constraints. An estimate for the signal within...http://www.google.fr/patents/US20050123150?utm_source=gb-gplus-shareBrevet US20050123150 - Method and apparatus for audio signal processing
Numéro de demande: 10/503,204 Numéro de publication: US 2005/0123150 A1 Date de dépôt: 3 févr. 2003 Brevet délivré: US7978862 ( Date de délivrance 12 juil. 2011)