Speaker recognition using spectral coefficients normalized with

Details Speaker recognition using spectral coefficients normalized with Speaker recognition using spectral coefficients normalized with

1993-08-13

1996-12-10

MacDonald, Allen R.

395 251, 395 252, 395 214, G10L 506, G10L 900

Patent

active

055839614

ABSTRACT:
Apparatus and method for speaker recognition includes generating, in response to a speech signal, a plurality of feature data having a series of coefficient sets, each set having a plurality of coefficients indicating the short term special amplitude in a plurality of frequency bands. The feature data is compared with predetermined speaker reference data, and recognition of a corresponding speaker is indicated in dependence upon such comparison. The frequency bands are unevenly spaced along the frequency axis, and a long term average spectral magnitude of at least one of said coefficients is derived and used for normalizing the at least one coefficient.

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