Voice detector

Details Voice detector Voice detector

1998-04-30

2000-07-11

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704211, 704212, G10L 506, G10L 900

Patent

active

060886706

ABSTRACT:
A voice detector that detects whether an input voice signal is voiced or unvoiced, the detector has a long-term averaging circuit calculating a long-term weighted average value, a short-term averaging circuit calculating a short-term weighted average value, a noise level discriminator discriminating based on the long-term weighted average value and the short-term weighted average value and a voice discriminator determining voiced/unvoiced terms based on comparison of the long-term weighted average value and the discriminated noise level.

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