[linux-audio-dev] re: [linux-audio-user] A bit of goodnews--paper now available for your viewing pleasure and/or comments

Ivica Ico Bukvic ico at fuse.net
Fri May 28 14:06:22 EDT 2004


I see. Thank you all for your insight!

One last question though, is it possible then to have two different cards to
work as a single device (via asoundrc + JACK) if they would be linked with
some kind of a word-clock that would ensure their hw sync (obviously
assuming that they offer such feature)?

Ivica Ico Bukvic, composer & multimedia sculptor
http://meowing.ccm.uc.edu/~ico/
 

> -----Original Message-----
> From: linux-audio-user-bounces at music.columbia.edu [mailto:linux-audio-
> user-bounces at music.columbia.edu] On Behalf Of Russell Hanaghan
> Sent: Friday, May 28, 2004 1:55 PM
> To: A list for linux audio users
> Cc: 'The Linux Audio Developers' Mailing List'
> Subject: RE: [linux-audio-dev] re: [linux-audio-user] A bit of goodnews--
> paper now available for your viewing pleasure and/or comments
> 
> On Fri, 2004-05-28 at 10:37, Ivica Ico Bukvic wrote:
> > Forgot to add that my assumption is (in addition to my previous
> statement)
> > if JACK was then running using reasonably small buffers the drift would
> be
> > then minimized if not alleviated since JACK is one that is dispatching
> the
> > buffers at appropriate time, right?
> 
> Having meddled some with this myself, and as Steve intimated, without
> the availability and ability of word-clock syncing between whatever
> cards being used in the multi card config, they drift at whatever
> settings you use from Jack and it results in distortion, xruns and all
> kinds of other nasties. I played with 2 identical SB Live 5.1's for some
> time in hopes of getting the "cheap fix" only to find that the oldest
> principle in life applies; You get what you pay for!"
> 
> R~
> >
> > Ivica Ico Bukvic, composer & multimedia sculptor
> > http://meowing.ccm.uc.edu/~ico/
> >
> >
> > > -----Original Message-----
> > > From: linux-audio-user-bounces at music.columbia.edu [mailto:linux-audio-
> > > user-bounces at music.columbia.edu] On Behalf Of Ivica Ico Bukvic
> > > Sent: Friday, May 28, 2004 1:22 PM
> > > To: 'A list for linux audio users'; 'The Linux Audio Developers'
> Mailing
> > > List'
> > > Subject: RE: [linux-audio-dev] re: [linux-audio-user] A bit of good
> news--
> > > paper now available for your viewing pleasure and/or comments
> > >
> > > Thanks Steve for your insight!
> > >
> > > Hasn't there been some success stories in the past regarding this? I
> might
> > > be obviously very wrong about this but I thought that if one designed
> a
> > > meta-device in the asoundrc making two soundcards one multichannel
> > > soundcard
> > > and then invoking JACK on top of it, that it should work?
> > >
> > > Please let me know so that I can make appropriate changes.
> > >
> > > Ivica Ico Bukvic, composer & multimedia sculptor
> > > http://meowing.ccm.uc.edu/~ico/
> > >
> > >
> > > > -----Original Message-----
> > > > From: linux-audio-user-bounces at music.columbia.edu [mailto:linux-
> audio-
> > > > user-bounces at music.columbia.edu] On Behalf Of Steve Harris
> > > > Sent: Friday, May 28, 2004 12:43 PM
> > > > To: 'A list for linux audio users'; 'The Linux Audio Developers'
> Mailing
> > > > List'
> > > > Subject: Re: [linux-audio-dev] re: [linux-audio-user] A bit of good
> news
> > > -
> > > > -paper now available for your viewing pleasure and/or comments
> > > >
> > > > I'm not really happy about the bit about JACK saying "as well as
> > > > potentially multiple soundcards"... it seems unlikly to me that JACK
> > > will
> > > > ever support that directly (without wordclock-like sync, when any
> system
> > > > should be able to do it).
> > > >
> > > > Thanks for the timemachine plug though :)
> > > >
> > > > - Steve
> >
> >
> >





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