From owner-freebsd-multimedia Mon Dec 16 10:25:34 2002 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 9F45137B401 for ; Mon, 16 Dec 2002 10:25:32 -0800 (PST) Received: from sccrmhc02.attbi.com (sccrmhc02.attbi.com [204.127.202.62]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1424743EEF for ; Mon, 16 Dec 2002 10:25:32 -0800 (PST) (envelope-from julian@elischer.org) Received: from InterJet.elischer.org (12-232-168-4.client.attbi.com[12.232.168.4]) by sccrmhc02.attbi.com (sccrmhc02) with ESMTP id <2002121618253000200ehn3ve>; Mon, 16 Dec 2002 18:25:31 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id KAA12023; Mon, 16 Dec 2002 10:25:30 -0800 (PST) Date: Mon, 16 Dec 2002 10:25:29 -0800 (PST) From: Julian Elischer To: Orion Hodson Cc: freebsd@fadesa.es, Nicholas Esborn , freebsd-multimedia@FreeBSD.ORG Subject: Re: Poor audio quality with festival and hw.snd.pcm0.vchans > 0 In-Reply-To: <200212161752.gBGHqvpD037517@puma.icir.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org 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: 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. > > > Comment on the Linux free oss drivers by mplayer folks > > > 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