[PD] jack settings versus pd jack settings

Martin Schied crinimal at gmx.net
Fri Dec 11 11:33:13 CET 2009


The delay setting only affects alsa, oss, asio and so on. Jack brings 
its own buffer size (periods * frames) and pd depends on that. The 
-audiobuf command line option, or delay setting in the 'media' menu 
doesn't affect your latency when using jack (you can verify that by 
setting it to 500ms for example).

Cheers Martin

michael noble wrote:
> hi folks,
> At the risk of being hounding into the archives, I have yet another 
> latency question...
> I did in fact search the archives and could not find anything that 
> clearly stated the relationship between the two settings as stated in 
> the subject.
> So my questions:
> - Is the pd delay setting independent of the system wide jack latency 
> settings?
> - If so, and I presume it is, is the delay cumulative? (I presume so, 
> but would like to know for certain. I could test, but I don't have my 
> machine in front of me right now).
> - Can pd be "forced" to inherent jack sample rate settings, or does 
> this always have to be set manually?
> regards\\m
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