From owner-freebsd-current@FreeBSD.ORG Mon Aug 23 18:44:53 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5231816A4CF for ; Mon, 23 Aug 2004 18:44:53 +0000 (GMT) Received: from lakermmtao03.cox.net (lakermmtao03.cox.net [68.230.240.36]) by mx1.FreeBSD.org (Postfix) with ESMTP id C7D6F43D39 for ; Mon, 23 Aug 2004 18:44:52 +0000 (GMT) (envelope-from conrads@cox.net) Received: from dolphin.local.net ([68.11.71.51]) by lakermmtao03.cox.net (InterMail vM.6.01.03.02.01 201-2131-111-104-103-20040709) with ESMTP <20040823184448.BXCS12724.lakermmtao03.cox.net@dolphin.local.net>; Mon, 23 Aug 2004 14:44:48 -0400 Received: from dolphin.local.net (localhost.local.net [127.0.0.1]) by dolphin.local.net (8.13.1/8.13.1) with SMTP id i7NIilIF000803; Mon, 23 Aug 2004 13:44:48 -0500 (CDT) (envelope-from conrads@cox.net) Date: Mon, 23 Aug 2004 13:44:42 -0500 From: "Conrad J. Sabatier" To: Panagiotis Astithas Message-Id: <20040823134442.72bb24ee@dolphin.local.net> In-Reply-To: <4129D856.20600@ebs.gr> References: <1093108393.4202.8.camel@funshine.carebears.net> <20040821133701.6ecf9f04@dolphin.local.net> <20040822040453.GA11878@cat.robbins.dropbear.id.au> <1093148651.47618.3.camel@server.mcneil.com> <20040823092644.GA46822@vala.homelan.net> <4129D856.20600@ebs.gr> X-Mailer: Sylpheed-Claws 0.9.12 (GTK+ 1.2.10; amd64-portbld-freebsd5.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit cc: FreeBSD Current cc: Sean McNeil Subject: Re: [Fwd: sound in CURRENT] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Aug 2004 18:44:53 -0000 On Mon, 23 Aug 2004 14:43:18 +0300 Panagiotis Astithas wrote: > Russell Jackson wrote: > > > To chime in on the sound issue, I get seemingly random distortions > > or screeches during playback. A sure fire way to cause it on demand > > is to do a sysctl -a. I've also found that taking the battery out > > and running on A/C only reduces the frequency of the distortions. I get horrible screeching with timidity++, myself. MP3s and other audio sounds fine, though. > > You may have gathered that this is a laptop based on the fact that > > it has a battery. Sound is provided by an Acer Labs M5451 using > > t4dwave driver. > > > > On the other side of the spectrum, sound plays back perfectly on my > > workstation. > > Just as a datapoint, ever since I added the following line to > /boot/device.hints my sound experience has been greatly improved: > > hint.pcm.0.buffersize="16384" Interesting. The nVidia nForce3 already uses a default buffer size of 16384; I just rebooted, setting it to 32768. Will see if this has any benefit or not. I've tried fiddling with hw.snd.targetirqrate, but that did no good. Still broke after a while. -- Conrad J. Sabatier -- "In Unix veritas"