Re: [LAU] [LAD] Document on using Jack Apps

On Sun, Aug 1, 2010 at 3:08 PM, James Morris <james@email-addr-hidden-art.net> wrote:

> On 1 August 2010 19:37, Arvind Venkatasubramanian <mdu.arvind@email-addr-hidden>
> wrote:
>
> > Question on using QJACKctl:
> > I was able to create some basic setting, load and read latency that gets
> > printed on the terminal. But what do the parameters on the setting tab
> of
> > console pop up mean? No soft mode, monitor, priority, time out etc and
> the
> > options tab. How do I use these options and tine tune them in order to
> set
> > the minimum feasible latency for the application that I intend to
> develop?
> > Above all, if the drop down menu options does not allow me to choose
> lower
> > sampling rates, what command do I use on the CLI to do the setting. Or
> Do I
> > need to edit QJACKctl's .conf file to set lower sampling rates manually.
> > My Intel sound card supports sampling rates of 8kHz and 16 kHz. I
> confirmed
> > this by looking into Audacity device ID setting. I know that I am asking
> > some basic stuff but my problem is that I do not find the right
> > documentation for solving my problems.
>
> Typing in the console:
>
> man jackd
>
> will help you identify the nature of some of the command line options
> for jack, as well as give you some clues for matching them to the tabs
> within QjackCTL.
>
> I'm no expert, and all I've ever tried for getting the best (lowest)
> latency is by experimenting with seeing how low I can go with the
> Frames/Period setting in QjackCTL which is the -p or --period setting
> on the command line. If it works and no x-runs occur, then...
> ...it works :-)
>
> A method of identifying which command line option to Jack relates to
> which setting in QjackCTL is by changing a setting in qjackctl and
> stop/starting Jack through qjackCTL while watching the messages log.
>
> James.
> _______________________________________________
>

James:

I finally got a detailed document at:
http://linux.die.net/man/1/jackd

<http://linux.die.net/man/1/jackd>This will help me get started with Jack
scripting. Thanks for your patient answers.

-Arvind V

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Received on Mon Aug 2 08:15:02 2010