Method and apparatus for extracting isolated speech word

Details Method and apparatus for extracting isolated speech word Method and apparatus for extracting isolated speech word

1990-12-07

1992-09-29

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

051519402

ABSTRACT:
An isolated speech word is extracted from an input speech signal. First, the speech signal is divided into a high frequency band signal and a low frequency band signal. Next, the power levels of each of the high and low frequency band signals are independently compared with respective threshold levels. Finally, the front and the end of the speech word are detected from these independent comparisons.

REFERENCES:
patent: 4401849 (1983-08-01), Ichikawa et al.
patent: 4426730 (1984-01-01), Lajotte
patent: 4817159 (1989-03-01), Hoshimi
R. J. McAulay, Optimum Speech Classification and its Application to Adaptive Noise Cancellation, IEEE International Conf. on Acoustics, Speech & Signal Processing, New York, May 24, 1990.
European Search Report for EP-88-12-1595, The Hague (May 24, 1990).

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