Date: Fri, 29 Mar 2002 19:15:27 +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: <20020329191527.B77860@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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> 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.
>
> I was told that perhaps my sound card is whacky, so I ordered a SB 16 PCI,
> which is what I have installed right now. Unfortunately, the problem
> persists. I can cat au files and play wavs in xmms just fine, but mp3's
> still crack.
Are the wavs and aus generated from the mp3s, or are they different
files? If different, what are their sampling rates?
If your files were from different sources, try this:
(a) encode a wav which works to ogg (using oggenc, say), and see whether
that still works.
(b) decode a problematic ogg to wav (ogg123 -d wav -f output.wav input.ogg),
and see whether that still has problems.
If the answer is "yes" to both I'm pretty sure it's sample rate
conversion, as I suggested in an earlier mail. In any case I really
don't see what sort of hardware problem can distinguish between ogg
and wav, given that you have more than enough CPU horsepower, etc.
And if the answer is "no" to (b) (the wav plays fine) and you have
plenty of disk space, well there's your short-term solution for
playing music...
Rahul
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