Date: Mon, 16 Dec 2002 10:25:29 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Orion Hodson <hodson@icir.org> Cc: freebsd@fadesa.es, Nicholas Esborn <nick@netdot.net>, freebsd-multimedia@FreeBSD.ORG Subject: Re: Poor audio quality with festival and hw.snd.pcm0.vchans > 0 Message-ID: <Pine.BSF.4.21.0212161023280.11938-100000@InterJet.elischer.org> In-Reply-To: <200212161752.gBGHqvpD037517@puma.icir.org>
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On Mon, 16 Dec 2002, Orion Hodson wrote: > /-- "=?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. I think this may be the same problem kmarx (ken marx) is seeing here with vchan> 1 due to the linear interpolation between sample points.. I think festival produces 8kHz or 16kHz data (can't remember), but the vchan sampler runs at 44 kHz. > > Cheers > - Orion > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-multimedia" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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