From owner-freebsd-multimedia Mon Mar 11 10:11:04 1996 Return-Path: owner-multimedia Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id KAA29941 for multimedia-outgoing; Mon, 11 Mar 1996 10:11:04 -0800 (PST) Received: from riley-net170-164.uoregon.edu (riley-net170-164.uoregon.edu [128.223.170.164]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id KAA29935 for ; Mon, 11 Mar 1996 10:11:00 -0800 (PST) Received: (from dwhite@localhost) by riley-net170-164.uoregon.edu (8.6.12/8.6.12) id KAA25758; Mon, 11 Mar 1996 10:12:05 -0800 Date: Mon, 11 Mar 1996 10:12:05 -0800 (PST) From: Doug White Reply-To: dwhite@resnet.uoregon.edu To: Seppo Kallio cc: "Danny J. Mitzel" , freebsd-multimedia@freebsd.org Subject: Re: does anyone get ``good'' audio quality with VAT and SoundBlaster? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-multimedia@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Sun, 10 Mar 1996, Seppo Kallio wrote: > I have SB AWE and the sound is good at first but then it starts this > constant plobplobplob. If I swith liste off and talk on and talk off and > listen on then it plays Ok for a while and starts again. > > I think some buffer fills and sound driver is doing something not so > good. Maybe cutting part of buffer out and trying to catch time up ??? >From what Iunderstand, it's the SB. Good drivers may be able to circumvent this problem, perhaps a buffer that feeds the data to the SB at it's own pace and provides a "fake" clock to vat? (This is total hypothesis, I am no device programmer) > > > I spent a bit of time setting up a local FreeBSD machine this week to > > > try and tune into the IETF broadcasts, but have been very disappointed > > > with the audio quality. I expected a lot of ``popping'' which I've read > > > others complaining about with VAT and SoundBlaster, but there were many > > > long periods of time where audio was too garbled to distinguish. > > > > That is the SB. I have an SB AWE32 and it does the same thing. > > Apparently the SB can't hold up a constant sample rate, and it fluctuates > > too wildly for vat to keep up. If it gets too nasty, try opening the vat > > menu or doing something to stop the audio stream briefly; that seems to > > reset it and it should sound OK for a bit. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major