Return-Path: Received: (qmail 35714 invoked from network); 10 Dec 2003 19:12:38 -0000 Received: from unknown (HELO netmail02.services.quay.plus.net) (212.159.14.221) by ptb-mailstore with SMTP; 10 Dec 2003 19:12:38 -0000 Received: (qmail 24333 invoked by uid 10001); 10 Dec 2003 19:12:37 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from post.thorcom.com (193.82.116.20) by netmail02.services.quay.plus.net with SMTP; 10 Dec 2003 19:12:14 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AU9kU-000252-2W for rs_out@blacksheep.org; Wed, 10 Dec 2003 19:11:50 +0000 Received: from [144.254.74.5] (helo=ams-iport-1.cisco.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AU9kT-00024t-M2 for rsgb_lf_group@blacksheep.org; Wed, 10 Dec 2003 19:11:49 +0000 Received: from virgin.net (144.254.74.60) by ams-iport-1.cisco.com with ESMTP; 10 Dec 2003 20:08:23 +0100 Received: from cisco.com (localhost [127.0.0.1]) by ams-msg-core-1.cisco.com (8.12.2/8.12.6) with ESMTP id hBAJB402019389 for ; Wed, 10 Dec 2003 20:11:04 +0100 (MET) Received: from virgin.net (ams-clip-vpn-dhcp4279.cisco.com [10.61.80.182]) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) with ESMTP id TAA13580 for ; Wed, 10 Dec 2003 19:11:18 GMT Message-ID: <3FD76FD5.2040103@virgin.net> Date: Wed, 10 Dec 2003 19:11:17 +0000 From: "Stewart Bryant" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <01C3BF2E.2774C230.g4jnt@thersgb.net> <3FD76602.3010107@virgin.net> <3FD76CFC.5030209@usa.net> In-reply-to: <3FD76CFC.5030209@usa.net> Subject: Re: LF: Re: Related Technical Query - Soundcard calibrator Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Spam-Rating: 1 Alberto di Bene wrote: > Stewart Bryant wrote: > >> Don't you need the integral of sin^2(x)/x^2 >> which according to >> >> http://www.sosmath.com/tables/integral/integ37/integ37.html >> >> is pi/2 from 0 to infinity >> > Is integral # 12 from that table correct ? Shouldn't it be cos^2 > instead of cos ? because sin^2(x)+cos^2(x) = 1 (locus of a circle), yes - well spotted 73 Stewart > > 73 Alberto I2PHD > > > > >