Date: Fri, 29 Mar 2002 15:49:53 +0100 From: Rahul Siddharthan <rsidd@online.fr> To: "Adam D. Gorski" <agorski@engin.umich.edu> Cc: John Utz <john@utzweb.net>, freebsd-multimedia@FreeBSD.ORG Subject: Re: SB problem (was: Cat'ing /dev/audio) Message-ID: <20020329154953.I53370@lpt.ens.fr> In-Reply-To: <Pine.SOL.4.33.0203290840060.2808-100000@and.engin.umich.edu>; from agorski@engin.umich.edu on Fri, Mar 29, 2002 at 08:54:49AM -0500 References: <Pine.LNX.4.44.0203282314560.25756-100000@jupiter.linuxengine.net> <Pine.SOL.4.33.0203290840060.2808-100000@and.engin.umich.edu>
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Adam D. Gorski said on Mar 29, 2002 at 08:54:49: > Ok, let me be a bit more specific. I actually e-mailed this list about this > problem about a week ago, but got no response. So here are the details. > > I moved to FreeBSD just recently from Slackware. Everything runs > beautifully, except my sound. I originally had a SB PCI 64 (es1370 chip) in > my box, which Linux loved and everything was happy. However, under FreeBSD, > playing mp3/ogg files produced terrible popping/screeching that made the > music unlistenable. Note: under Linux, I had no problems. My box is a p2-450 > with 256 megs of ram, so I would think that playing mp3's wouldn't be an > issue. Does your card work with a fixed sampling rate, or is it variable? The problem sounds familiar: I had the same problems when downsampling from the 48000 Hz input of my sound card to a 44100 Hz file. I'm told that if you needed to downsample output the same thing would happen; I needed to upsample output from 44100 to 48000 and would get some minor distortion but nothing serious. I got around that small distortion by sending my output through arts (kde's sound daemon) configured to output at 48000 Hz; apparently arts's upsampling worked better than the native driver's. You could try something like that too, or get hold of a sound file whose rate is the same as your card's and play that directly. Rahul To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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