Method for establishing handset-dependent normalizing models for

Details Method for establishing handset-dependent normalizing models for Method for establishing handset-dependent normalizing models for

1997-04-18

1999-09-07

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704250, G10L 506

Patent

active

059501570

ABSTRACT:
Adverse effects of type mismatch between acoustic input devices used during testing and during training in machine-based recognition of the source of acoustic phenomena are minimized. A normalizing model is matched to a source model based, or dependent, upon an acoustic input device whose transfer characteristics color acoustic characteristics of a source as represented in the source model. An application of the present invention is to speaker recognition, i.e., recognition of the identity of a speaker by the speaker's voice.

REFERENCES:
patent: 4653102 (1987-03-01), Hansen
patent: 5187692 (1993-02-01), Haneda et al.
patent: 5465302 (1995-11-01), Lazzari et al.
patent: 5737485 (1998-04-01), Flanagan et al.
Reynolds, Douglas A., The Effects of Handset Variability on Speaker Recognition Performance: Experiments on the Switchboard Corpus, Proc. of IEEE ICASSP, pp. 113-116. May 1996.
Rosenberg, Aaron E., Speaker Background Models for Connected Digit Password Speaker Verification, Proc. of IEEE ICASSP, 1996, pp. 81-83.

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