Method for speech detection in a high-noise environment

Details Method for speech detection in a high-noise environment Method for speech detection in a high-noise environment

1996-09-24

1998-03-24

MacDonald, Allen R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704222, 704226, G01L 300

Patent

active

057323925

ABSTRACT:
In method for detecting a speech period in a high-noise environment, the variation in the spectrum of an input signal per unit time is calculated over an analysis frame period, and when the frequency of spectrum variation falls in a predetermined range, the input signal of that frame is decided to be a speech signal.

REFERENCES:
patent: 3712959 (1973-01-01), Fariello
patent: 4282403 (1981-08-01), Sakoe
patent: 5210820 (1993-05-01), Kenyon
patent: 5220629 (1993-06-01), Kosaka
patent: 5459815 (1995-10-01), Aikawa
patent: 5579435 (1996-11-01), Jansson
patent: 5596680 (1997-01-01), Chow
patent: 5598504 (1997-01-01), Miano

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