Automatic speech/speaker recognition over digital wireless...

Details Automatic speech/speaker recognition over digital wireless... Automatic speech/speaker recognition over digital wireless...

G - Physics

10

L

G10L 15/02 (2006.01) G10L 15/28 (2006.01) G10L 15/20 (2006.01)

Patent

CA 2287025

Automatic Speech Recognition (ASR) is achieved in wireless communications systems in which reliable ASR feature vector sequences are derived at a base station directly from digitally transmitted speech coder parameters, with no additional processing or signal modification required at the originating handset. No secondary channel need be provided for the transmission of ASR feature vectors. In operating on received speech coder parameters prior to conversion to a voice signal the present system and methods avoid the lossy conversion process and associated voice distortion. Since the received voice parameters are error protected during transmission they are received with greater accuracy.

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