[PD] wierd feedback popping with pd/freebob/jack/rt

[Rich E]

Hans, the patch here:
http://sourceforge.net/tracker/index.php?func=detail&aid=1942258&group_id=55736&atid=478072

I tried the may 15th pd-extended and I don't have the problem, but I do with
the may 16th one.  Also, I just manually patched pd-0.40.3 with the diff
file on that page and I again have bad audio.  I use pd-0.40.3 without the
patch, I get very nice audio.

There is another problem that I have been having for about 1/2 a year now,
which I think is completely separate. It has to do with running multiple
realtime audio apps.. pd tends to start skipping in these situations until I
use the chrt command on it.. but I guess I'll leave that until I can better
isolate the problem.

regards,
Rich

On Tue, May 20, 2008 at 12:46 PM, Hans-Christoph Steiner <hans at eds.org>
wrote:

>
> The date matters for the auto-builds.  There were jack-related patches
> checked in on certain dates.
>
> .hc
>
> On May 20, 2008, at 5:38 PM, Rich E wrote:
>
> Currently, Pd-0.40.3-extended from the autobuiilds.  While I think this is
> occurring on every version on Pd I have tried since I installed Hardy (which
> is alot), I should do some testing to verify that.
>
> Another thing; opening Audacity only cures things for a bit, until I do
> something like open another patch in pd.  Then, the glitch happens again, I
> restart audacity, and it goes away.
>
> I'll try some testing on 0.39 - .41 vanilla when I have a moment.
>
> rich
>
> On Tue, May 20, 2008 at 7:59 AM, Hans-Christoph Steiner <hans at eds.org>
> wrote:
>
>>
>> Which version of Pd is this?  There are large differences, so you need to
>> be specific.
>>
>> .hc
>>
>> On May 20, 2008, at 2:15 PM, Rich E wrote:
>>
>> Hi,
>>
>> I have been having this problem off and on for a while, but never thought
>> it would do any good to post on this forum about it.  However, I have a lead
>> now.
>>
>> I have an Edirol FA-101 hooked up to pd in Ubuntu Gutsy, with the rt
>> kernel.  If pd is running by itself, everything sounds great.  If jack is
>> running in non-realtime and there are lots of things going on, everything
>> sounds great except there are big pauses in midi/audio throughput.  If jack
>> is running in realtime everything BUT pd sounds great, while pd produces
>> feint pops, with feedback.
>>
>> And what I just noticed today, if I start another JACK application
>> afterwards, the pops go away and everything is runnnig smooth in realtime.
>> I don't know if it is just any application, but what I am explaining
>> happened when I opened audacity to try to record the output of pd's
>> wierdness.
>>
>> I've only had this issue with pd.  Does this make sense to anyone?
>>
>> -rich
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>>                                               http://at.or.at/hans/
>>
>>
>>
>
>
>
>
>
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