Return-Path: Received: (qmail 17179 invoked from network); 22 May 2000 13:17:16 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by teachers.core.plus.net.uk with SMTP; 22 May 2000 13:17:16 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12tryc-000271-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 22 May 2000 14:10:34 +0100 Received: from ulexite.lion-access.net ([212.19.217.2]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12tryS-00026q-00 for rsgb_lf_group@blacksheep.org; Mon, 22 May 2000 14:10:24 +0100 Received: from w8k3f0 (1Cust55.tnt14.rtm1.nl.uu.net [213.53.2.55]) by ulexite.lion-access.net (I-Lab) with SMTP id 0E710FB12A for ; Mon, 22 May 2000 12:08:58 -0100 (GMT) Message-ID: <009601bfc3ef$31c5a620$370235d5@w8k3f0> From: "Dick Rollema" To: rsgb_lf_group@blacksheep.org References: <006201bfc359$2a3a9050$0a00a8c0@server1.ThreeLakes.ca> <004601bfc3c4$6ebc3e20$de1886d4@kevin> Subject: LF: Re: Re: Morse tones / filters etc. Date: Mon, 22 May 2000 15:07:10 +0200 Organization: Freeler MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: To All from PA0SE Kevin, G1HDQ wrote: > > Has anyone experimented with phase shifted / delayed audio, i.e. with "raw" > audio fed to one half of the headphones and a (variably) phase-shifted / > delayed version fed to the other half? This is also an experiment described in the thesis. The results were not so simple to remember as the optimum frequency (500Hz) for weak morse in noise so I cannot tell you what had been found, sorry! Dick, PA0SE