[PD] That Old No Sound Problem...

[Lorenzo Sutton]

On 19/10/2011 09:45, IOhannes m zmoelnig wrote:
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> On 2011-10-19 06:56, forrest curo wrote:
> [...]
>> Pd version 0.42-6 with
>
> i figure this is pd-vanilla (afaik, there is no 0.42-6 for Pd-extended);
> in debian there is also a 0.43 version of Pd available, which has a
> number of improvements regarding jack support (don't know about mint though)
>
>
>> "JACK Audio Connection Kit - Qt GUI Interface
>> Version: 0.3.6"
>
> wow, that's old. my jack is 1.9.7 (which is actually jack2; the jack1 i
> could install on my system is 0.121.0)

I think he is referring to the version of qjackctl which in fact on 
squeeze is 0.3.6.

Forrest: to see the version of jack (not the QJackControl gui) try the 
following command in a terminal:

jackd --version

>
>> [and yes, it is in fact running. Works just fine with ChucK.]
>
> well, so let's get to the real problem.
>
> your error log seems to indicate, that jack is not running when you
> start Pd.
> please make sure that jack does run, before you start Pd.
> make sure that you don't have any "opposing" settings (e.g. use
> "-noprefs" when starting Pd)
> make sure to tell Pd how many channels to allocate for Pd (e.g. use
> "-jack -channels 8" when starting Pd)
> this works fine on my debian/sid machine.

You can also do this within Pd itself, by making sure you select Media 
-> Jack Here you can also set the input and output channels, maybe start 
with something like 2 to begin with.
As IOhannes suggested do make sure jack is running *before* you start pd.

Lorenzo.

>
>
> ghsmdf
> IOhannes
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