From owner-freebsd-multimedia  Mon Dec 16  9:53:20 2002
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To: freebsd@fadesa.es, Nicholas Esborn <nick@netdot.net>
Cc: freebsd-multimedia@FreeBSD.ORG
Subject: Re: Poor audio quality with festival and hw.snd.pcm0.vchans > 0 
In-Reply-To: Your message of "Mon, 16 Dec 2002 17:45:16 +0100."
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Date: Mon, 16 Dec 2002 09:52:57 -0800
From: Orion Hodson <hodson@icir.org>
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/-- "=?iso-8859-1?Q?Jos=E9?= M. =?iso-8859-1?Q?Fandi=F1o?=" wrote:
| Nicholas Esborn wrote:
| > 
| > Hello,
| > 
| > I've been working with the new vchans on a Toshiba Satellite laptop:
| > 
| > pcm0: <OPL3-SAx (YMF719)> at port 0x530-0x537,0x538-0x539,0xf8c-0xf94,0xe0e
|  irq 5 drq 1 flags 0xc113 on isa0
| > 
| > If I turn hw.snd.pcm0.vchans up to 1 or more, festival sounds crackly
| > and terrible, but oddly, mpg123 sounded fine.  I'm using the festival
| > freebsd16audio method.  I also tried sun16audio (which didn't work at
| > all) and sunaudio (which also sounded terrible).
| > 
| > Does anyone have any insight to offer?
| 
| yes, I'm having the same problem with mplayer and virtual audio channels.

<snip>
Comment on the Linux free oss drivers by mplayer folks
</snip>

When you next experience this noise can you post the output of:
	fstat /dev/audio* /dev/dsp*
whilst it's being generated.

Cheers
- Orion




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