Return-Path: Received: (qmail 8251 invoked from network); 23 Dec 2002 23:24:03 -0000 Received: from marstons.services.quay.plus.net (212.159.14.223) by mailstore with SMTP; 23 Dec 2002 23:24:03 -0000 Received: (qmail 18138 invoked by uid 10001); 23 Dec 2002 23:23:53 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com (193.82.116.70) by marstons.services.quay.plus.net with SMTP; 23 Dec 2002 23:23:53 -0000 X-SQ: A X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from majordom by post.thorcom.com with local (Exim 4.12) id 18Qbte-0004EJ-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 23 Dec 2002 23:22:06 +0000 Received: from [165.212.11.113] (helo=cmsoutbound.mx.net) by post.thorcom.com with smtp (Exim 4.12) id 18Qbte-0004E9-00 for rsgb_lf_group@blacksheep.org; Mon, 23 Dec 2002 23:22:06 +0000 Received: from uadvg130.cms.usa.net (HELO localhost) (165.212.11.130) by cmsoutbound.mx.net with SMTP; 23 Dec 2002 23:21:55 -0000 Received: from usa.net [213.217.167.173] by uadvg130.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.1.09A) with ESMTP id 581gLwXV10217M30; Mon, 23 Dec 2002 23:21:52 GMT Message-ID: <3E079AA2.8010408@usa.net> Date: Tue, 24 Dec 2002 00:22:10 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0 X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <5.1.0.14.0.20021223135158.00aaf7f0@POP3.freeler.nl> <001801c2aabf$76ba6e00$09e136d2@xtr743187> Subject: LF: Re: Audio problem Content-Type: text/html; charset=windows-1252 X-Spam-Status: No, hits=-3.4 required=5.0tests=EMAIL_ATTRIBUTION,QUOTED_EMAIL_TEXT,REFERENCES, SPAM_PHRASE_00_01,USER_AGENT,USER_AGENT_MOZILLA_UA, X_ACCEPT_LANGversion=2.43 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: rsgb_lf_group-outgoing@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false Content-transfer-encoding: 8bit Vernall wrote:

Dick PA0SE,

It was not until recently that I found out about the extent of "mixer control" placement(s) in a sound card. There are analogue and digital mixers. The MIC-IN, LINE-IN and CD-IN have inputs split to feed an A/D converter as well as an anlogue mixer going to the master volume control and LINE-OUT (also an internal power amplifier and speaker out on some sound cards, newer types have speaker matters external to the PC).

[...]

I trust my text explanations are useful. I do not have a block diagram at hand of a sound card, but if another reader does, and can scan it, then I'm sure it would be a good way to add to the information.

[...]

Bob, Dick and all the interested,

for a fairly long, detailed and somewhat boring description of how the Windows mixer works, please visit this link :

http://www.qsl.net/i2phd/mixer

Note : I am not the author of that material, I just found it sometime ago on the Web, and I saved it.
Sorry, I cannot give due credit to the author(s), as I lost this information.

73 Alberto I2PHD