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From: omsi@reed.UUCP (OMSI)
Newsgroups: sci.electronics
Subject: Volume based on ambient noise
Message-ID: <6412@reed.UUCP>
Date: Mon, 25-May-87 03:21:42 EDT
Article-I.D.: reed.6412
Posted: Mon May 25 03:21:42 1987
Date-Received: Tue, 26-May-87 04:35:27 EDT
Organization: Reed College, Portland OR
Lines: 6


I have an application where it would be useful to boost the volume through
a speaker based on the level of background noise in the area.  The obvious
problem is how to cancel the sound from the speaker so the noise level can
be measured.  Any ideas?
	Thanx,  Bob Ankeney   tektronix!reed!omsi