Method and apparatus for identifying telephone signals which are produced by a human voice. The method includes determining a measure of the energy of predetermined frequency bins of the frequency spectrum of the signal for a frame comprised of a predetermined number of consecutive samples of the signal,...http://www.google.fr/patents/US4979214?utm_source=gb-gplus-shareBrevet US4979214 - Method and apparatus for identifying speech in telephone signals
Method and apparatus for identifying speech in telephone signals
