Speech recognition system utilizing a neural network

Details Speech recognition system utilizing a neural network Speech recognition system utilizing a neural network

1993-08-26

1995-11-28

Downs, Robert W.

395 243, 395 24, 395 2, 395 284, G10L 506, G10L 900

Patent

active

054715571

ABSTRACT:
A speech recognition system for recognizing the remote-controlling vocal commands of TV sets and VCRs comprises a microphone for receiving the speech pronounced by a user; a speech analyzer for analyzing the speech input via the microphone; circuitry for detecting a vocal section of the speech from the speech analyzer and performing a time-axis normalization and a binarization for the detected vocal section; and a multilayer neural network for receiving the binarization data from the aforementioned circuitry and then performing the learning, to thereby output the speech recognition result. Accordingly, the present invention can enhance the recognition ratio of speech.

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Ambikairajah et al, "A speaker verification system based on a neural prediction model"; Communications on the Move. Signapore. ICCS/ISITA '92, pp. 419-422 vol. 2, 16-20 Nov. 1992.
Botros et al, "Speech recogntion using dynamic neural networks"; IJCNN International Joint Conference on Neural Networks, pp. 737-742 vol. 4, 7-11 Jun. 1992.
Zhao, "Connectionist training of non-linear hidden Markov models for speech recognition"; 1991 IEEE International Joint Conference on Neural Networks, pp. 1647-1652 vol. 2, 18-21 No. 1991.

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