From owner-freebsd-multimedia@FreeBSD.ORG Mon May 1 00:10:22 2006 Return-Path: X-Original-To: freebsd-multimedia@freebsd.org Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6A1F416A403 for ; Mon, 1 May 2006 00:10:22 +0000 (UTC) (envelope-from steinex@nognu.de) Received: from shodan.nognu.de (shodan.nognu.de [85.14.216.230]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0565D43D55 for ; Mon, 1 May 2006 00:10:21 +0000 (GMT) (envelope-from steinex@nognu.de) Received: by shodan.nognu.de (Postfix, from userid 1002) id 81414B83D; Mon, 1 May 2006 02:10:20 +0200 (CEST) Date: Mon, 1 May 2006 02:10:20 +0200 From: Frank Steinborn To: freebsd-multimedia@freebsd.org Message-ID: <20060501001020.GA93842@shodan.nognu.de> Mail-Followup-To: freebsd-multimedia@freebsd.org References: <20060429234821.GA87974@hpwren.ucsd.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060429234821.GA87974@hpwren.ucsd.edu> User-Agent: mutt-ng/devel-r581 (FreeBSD) Subject: Re: Multi-channel sound output X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 May 2006 00:10:22 -0000 Hans-Werner Braun wrote: > > (I am not on this list, Please include me on a response) > > I would like to make multi-channel (at least 4) sound output work. > I tried three different cards: Live! 5.1, Audigy SE, and Audigy 4, > with the standard FreeBSD 6.0 driver, emu10kx, and OSS. I did not > manage to get more than two channels in either combination. Does > anyone here have a suggestion as to what would works there? > > For background, what I am interested in is the recreation of 3D > sound environments, like deploying a microphone array in an ecological > reserve or other interesting sound environments (see > http://hpwren.ucsd.edu/news/050617.html and > http://hpwren.ucsd.edu/news/050402.html for examples or preliminary > work), and recreating it with fairly standard equipment. For example, > once I get the output working, a next question will be how to read > from a microphone-quad (or more) while still getting phasing/etc. > right. Have a look at /usr/ports/audio/emu10kx. It's a more advanced sound driver for emu10kx-cards. However, I'm not sure if that's such a great help (I don't know the driver) but I think it's worth to mention. Probably it's a good point to start. The author of the driver stopped working on it, though :-( > Hans-Werner HTH anyhow, Frank