[LAU] Intel-HDA sound issues

[Nigel Henry]

On Wednesday 22 October 2008 10:30, J M Needham wrote:
> On Tue, 21 Oct 2008, david wrote:
> > Matthew Smith wrote:
> >> Quoth I:
> >> >> Whilst it is possible that someone out there may have this working
> >> >> with Jack (and a realtime kernel), I have yet to meet them.
> >>
> >> Quoth Ronald Stewart at 2008-10-22 07:49...
> >>
> >>> we got it working, you need good ol' 64studio RT..
> >>
> >> There you go - so it can be done.  Thanks Ron.
> >>
> >> Think I'll stick to my external card though - better connectors,
> >> headphone monitor, etc.  (And hooked directly into a Soundcraft Compact
> >> 10 mixer.)
> >>
> >> One day I might actually get the time to use all this - haven't even had
> >> the chance build myself a non-crashing Rosegarden yet :-(
> >
> > Hmm, my Rosegarden 1.7.0 installed from package in Debian Lenny/Sid
> > repositories, running with non-RT kernel on a Toshiba laptop also using
> > Intel HDA sound, doesn't crash.
>
> Although I suffer from crackling when producing sound;I have no problem
> with running Rosegarden 1.7.2 (or indeed any other version) compiled from
> source.

If your soundcard is hda intel, there is a known problem, where crackling 
occurs if the "Periods/Buffer is set to the default "2". The cure is to open 
Qjackctl's setup, settings, and change it to "3".

All the best.

Nigel.