Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 11 Mar 1996 10:12:05 -0800 (PST)
From:      Doug White <dwhite@riley-net170-164.uoregon.edu>
To:        Seppo Kallio <kallio@cc.jyu.fi>
Cc:        "Danny J. Mitzel" <mitzel@ipsilon.com>, freebsd-multimedia@freebsd.org
Subject:   Re: does anyone get ``good'' audio quality with VAT and SoundBlaster?
Message-ID:  <Pine.BSF.3.91.960311100955.25726A-100000@riley-net170-164.uoregon.edu>
In-Reply-To: <Pine.SOL.3.91ska.960310192414.12525C-100000@kanto.cc.jyu.fi>

next in thread | previous in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.91.960311100955.25726A-100000>