Browse Prior Art Database

Speech Detector

IP.com Disclosure Number: IPCOM000068196D
Original Publication Date: 1979-Dec-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Johnson, RJ Snyder, GF [+details]

Abstract

This circuit detects the presence of speech in noisy environments based on the fact that noise has less energy variance than does speech.