Method and apparatus including microphone arrays and neural netw

Details Method and apparatus including microphone arrays and neural netw Method and apparatus including microphone arrays and neural netw

1995-03-07

1998-04-07

MacDonald, Allen R.

395 253, 395 243, G10L 900, G10L 506

Patent

active

057374856

ABSTRACT:
A neural network is trained to transform distant-talking cepstrum coefficients, derived from a microphone array receiving speech from a speaker distant therefrom, into a form substantially similar to close-talking cepstrum coefficients that would be derived from a microphone close to the speaker, for providing robust hands-free speech and speaker recognition in adverse practical environments with existing speech and speaker recognition systems which have been trained on close-talking speech.

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