G - Physics – 10 – L
Patent
G - Physics
10
L
354/50, 354/52
G10L 15/00 (2006.01)
Patent
CA 1193732
ABSTRACT OF THE DISCLOSURE A method for recognizing particular phonemes uses the silence-phoneme and phoneme-phoneme transitions in the voice signal. The method includes the steps of providing an electrical signal that represents the voice signal and producing, from the electrical signal, a first acoustic parameter signal containing phonemic information of the voice signal. A transition signal is generated from the phonemic information in the first acoustic parameter signal to indicate the location of a transition in the voice signal. Meanwhile, the first acoustic parameter signal is stored, and a second acoustic parameter signal is produced from the stored first acoustic parameter signal using the transition signal. The second acoustic parameter signal contains phonemic information of the voice signal at the transition, and can be compared with known phonemic information to recognize the phonemic information in the voice signal. An apparatus for performing the method is also disclosed. The method permits accurate voice recognition without requiring excessive memory capacity because it uses the phonemic information at the transitions of the voice signal rather than at the phonemes themselves.
422146
Akabane Makoto
Nishioka Hisao
Waku Toshihiko
Watari Masao
Gowling Lafleur Henderson Llp
Sony Corporation
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