Real-time kernel? (was: The audio group)
mikeh789 at gmail.com
Tue Sep 14 01:29:25 BST 2010
i was thinking about how AVlinux used to include a .deb for the RT kernel
somewhere in the documents folder or something... what about that? point and
click easy for whoever wants it, and not default for those who dont...
On Mon, Sep 13, 2010 at 8:24 PM, Chris Jones <chrisjones at comcen.com.au>wrote:
> On Tue, 2010-09-07 at 06:52 -0500, Scott Lavender wrote:
> > On Tue, Sep 7, 2010 at 2:55 AM, David Henningsson
> > <david.henningsson at canonical.com> wrote:
> > 2010-09-07 02:17, Chris Jones skrev:
> > > I know I've raised the question before regarding the
> > inclusion of the
> > > real-time kernel in Ubuntu Studio, but why exactly is it
> > necessary?
> > That's a good question. Abogani has written a small overview
> > of his take
> > on it here:
> > --
> > David Henningsson, Canonical Ltd.
> > http://launchpad.net/~diwic
> > And to answer Chris's question very succinctly; better performance.
> > The -rt kernel can help lower latency and minimize the number of xruns
> > so that your recording doesn't drop anything or create artifacts such
> > as popping.
> > From my understanding this also includes allowing firewire audio
> > interface users to be able to adjust the interrupt priority to a more
> > desirable setting allowing the firewire device to experience better
> > perform from fewer interrupts. I believe I understand the basic
> > principle of this but perhaps someone with broader experience can
> > explain it better.
> > Regards,
> > ScottL
> So it seems to me that all examples and explanations given for the
> inclusion of the real-time kernel by default are to cater for the
> audiophiles using Ubuntu Studio as their platform.
> Forgive me if I'm mistaken, but isn't Ubuntu Studio focused toward 3
> groups of multimedia professionals-- Audio, Video and Graphic?
> I don't know the technicalities or possibilities to include a kernel
> option upon installation, but we need to somehow give the user a choice
> of which kernel to use for Ubuntu Studio.
> I know that either can be installed/removed via Synaptic, but not
> everyone feels comfortable doing it via this method.
> My point; there really is no reason for a real-time kernel when one uses
> Ubuntu Studio for Video and Graphic work.
> So with its default inclusion, it's simply catering for 1/3 of the
> intended audience/users.
> Just my 2 cents.
> Chris Jones <chrisjones at comcen.com.au>
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