Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!husc6!mit-eddie!ll-xn!ames!ucbcad!ucbvax!zion.berkeley.edu!kavaler From: kavaler@zion.berkeley.edu (Robert Kavaler) Newsgroups: sci.electronics Subject: Re: Comb filters Message-ID: <19698@ucbvax.BERKELEY.EDU> Date: Tue, 14-Jul-87 02:23:49 EDT Article-I.D.: ucbvax.19698 Posted: Tue Jul 14 02:23:49 1987 Date-Received: Wed, 15-Jul-87 04:12:15 EDT References: <8707110358.AA14182@unisoft.UNISOFT> <7150@shemp.UCLA.EDU> Sender: usenet@ucbvax.BERKELEY.EDU Reply-To: kavaler@zion (Robert Kavaler) Organization: Experimental Computing Facility, U.C. Berkeley Lines: 8 The human ear is sensative to the relative phase difference between sounds entering both ears. This is how we (and animals) can tell where sounds originate. By shifting the phase difference a sound can "appear" to come from elsewhere. Phase-shifting techniques are used extensively in all sorts of stereo equipment, from cheap Boom-boxes to very expensive mixers.