From owner-freebsd-multimedia@FreeBSD.ORG Wed Jul 13 08:38:20 2005 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 0E06016A41C for ; Wed, 13 Jul 2005 08:38:20 +0000 (GMT) (envelope-from sklauder@trimind.de) Received: from sianna.shopkeeper.de (sianna.shopkeeper.de [217.17.196.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6906D43D45 for ; Wed, 13 Jul 2005 08:38:18 +0000 (GMT) (envelope-from sklauder@trimind.de) Received: from avalon.dobu.local (p54B87DD4.dip.t-dialin.net [84.184.125.212]) (authenticated bits=0) by sianna.shopkeeper.de (8.13.1/8.13.1) with ESMTP id j6D8cDRA014276; Wed, 13 Jul 2005 10:38:14 +0200 (CEST) (envelope-from sklauder@trimind.de) Received: from avalon.dobu.local (localhost [127.0.0.1]) by avalon.dobu.local (8.13.3/8.12.11) with ESMTP id j6D8cBDh000739; Wed, 13 Jul 2005 10:38:11 +0200 (CEST) (envelope-from sklauder@avalon.dobu.local) Received: (from sklauder@localhost) by avalon.dobu.local (8.13.3/8.13.3/Submit) id j6D8cBsV000738; Wed, 13 Jul 2005 10:38:11 +0200 (CEST) (envelope-from sklauder) Date: Wed, 13 Jul 2005 10:38:11 +0200 From: Sascha Klauder To: Ariff Abdullah Message-ID: <20050713083811.GA609@trimind.de> References: <20050707064603.6c295451.skywizard@MyBSD.org.my> <20050712204404.GA3835@trimind.de> <20050713061347.61f719c8.skywizard@MyBSD.org.my> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050713061347.61f719c8.skywizard@MyBSD.org.my> User-Agent: Mutt/1.4.2.1i X-Virus-Scanned: by amavisd-new Cc: freebsd-multimedia@freebsd.org, mat@cnd.mcgill.ca Subject: Re: Massive sound changes / fix (24/32bit pcm support, new sampling rate converter, various fixes) 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: Wed, 13 Jul 2005 08:38:20 -0000 On Wed, Jul 13, 2005 at 06:13:47AM +0800, Ariff Abdullah wrote: > On Tue, 12 Jul 2005 22:44:04 +0200 > Sascha Klauder wrote: > > Something's not right here. I had some minor issues with > > crackling noise on PCM playback with pcm1 (it's an AWE64), > > which seems to be gone now, but the playback is just a bit > > too slow, which sounds pretty strange. Playback on pcm0 > > (old SB Live!) is just fine, as it was before applying the > > patch. > AWE64 is actually not capable of driving sampling rate at 48k (which > is the current default value for vchan). Fortunately you can tune > default sampling rate using kernel hint by adding this to your > /boot/device.hints: > > hint.pcm.1.vchanrate="44100" Works fine, thanks! > rate on the fly, something like sysctl hw.snd.pcm0.vchanrate=xxx. Stay > tuned. If you insist, you may try my latest (revision 8) patch from: > > http://staff.mybsd.org.my/skywizard/FreeBSD/sound/incoming/ Sounds nice, will try that later! > I do have general solution to entirely eliminate noise / crackling > issues (which plagued most SBLive!), which is part of my TODO list. I have no problems whatsoever with noise on the Live!, but had some slightly crackling noise on the AWE card ever since I switched from 4.10 to 5.4, which is gone now with your patch. Thank you! :) Cheers, -sascha