source file: mills2.txt Date: Mon, 17 Mar 1997 09:26:21 -0800 Subject: Re: unheard frequencies From: tom@mvision.com (Tom Ritchford) >Date: Sun, 16 Mar 97 18:47 GMT0 >From: gbreed@cix.compulink.co.uk (Graham Breed) >To: tuning >Subject: Re: unheard frequencies >Message-ID: > >Ray Tomes wrote: > >>It was discovered not so long ago that although people could not hear >>frequencies above 22kHz which is the maximum CD frequency that some > >22kHz is the highest frequency that can be recorded on a CD, but I >believe the threshold of human hearing to be significantly higher >-- from memory, 60kHz, declining with age. As I only have digital >synths, I can't actually verify this! This is constantly being argued on rec.audio.pro. However, no-one has ever produced any documentary evidence of hearing much above 20kHz. I have no idea where this 60kHz number comes from but it seems quite out of the ballpark! /t Tom Ritchford tom@mvision.com Verge's "Little Idiot" -- Music for the mentally peculiar. 1-800-WEIRDOS http://www.weirdos.com/verge Received: from ns.ezh.nl [137.174.112.59] by vbv40.ezh.nl with SMTP-OpenVMS via TCP/IP; Mon, 17 Mar 1997 19:13 +0100 Received: by ns.ezh.nl; (5.65v3.2/1.3/10May95) id AA03583; Mon, 17 Mar 1997 19:13:16 +0100 Received: from ella.mills.edu by ns (smtpxd); id XA03582 Received: from by ella.mills.edu via SMTP (940816.SGI.8.6.9/930416.SGI) id KAA06035; Mon, 17 Mar 1997 10:11:26 -0800 Date: Mon, 17 Mar 1997 10:11:26 -0800 Message-Id: Errors-To: madole@mills.edu Reply-To: tuning@ella.mills.edu Originator: tuning@eartha.mills.edu Sender: tuning@ella.mills.edu