Re: [LAU] Question About jack transport

Am 07.04.2017 um 15:59 schrieb Brent Busby:
> john gibby <johnalan.gibby@email-addr-hidden> writes:
>
>> I have Pianoteq connected to Jack, then to ecasound for dsp into 6
>> channels, then back thru Jack to rme9652. 64 sample buffers. Should I run
>> ecasound in slave transport mode to make sure the pipeline runs
>> efficiently, with Pianoteq supplying a new sample set in lock-step while
>> the previous one is being processed by ecasound? The details about how all
>> this is getting done are fascinating, but a little murky in my head...
> Jack transport doesn't have anything to do with audio. You'll know if
> you're audio isn't getting through Jack ok because the symptom of that
> will be xruns. Basically, if you're not getting xruns, everything made
> it through just fine.
>
> Jack transport is kind of like Midi clock, but for situations where the
> sequencers involved are all Linux apps with Jack support. In a case
> like that, why bother actually sending the traditional 96 tick per
> quarter note Midi clock stream through virtual Midi connections on your
> computer when all the apps involved can just sync through Jack? If all
> your sequencers know Jack, then you don't need Midi clock to sync them.
>
> So, if you're not trying to sync Jack-aware sequencers on your computer,
> then you don't need Jack transport for anything at all.
>

Not at all, for example, in guitarix, you can use jack transport for
toggle effects on/off (in sync).
That could be useful in special for delays/loops but any other effect as
well.

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Received on Fri Apr 7 20:15:02 2017