Hi Paul-<div><br></div><div>I'm not sure if what you're saying matters, since the buffer settings, etc. were the same between jack and alsa settings in the PianoTeq setup dialogs....unless I'm missing something, the /proc directory info you are asking me to compare with jackd settings verify that they were the same.</div>
<div><br></div><div>Best,</div><div>AKJ</div><div><br></div><div>P.S. Did you get my email ever about jackctl.py? Not the one in the jack source tree, but my CL utility of the same name that I wrote?<br><br><div class="gmail_quote">
On Sun, Jun 12, 2011 at 8:47 AM, Paul Davis <span dir="ltr"><<a href="mailto:paul@linuxaudiosystems.com">paul@linuxaudiosystems.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On Sun, Jun 12, 2011 at 3:40 AM, Aaron Krister Johnson<br>
<<a href="mailto:aaron@akjmusic.com">aaron@akjmusic.com</a>> wrote:<br>
</div><div><div></div><div class="h5">> Hi all--<br>
> I'm wondering if anyone else has experienced this:<br>
> I'm considering purchasing PianoTeq, but I wanted to try the demo. It seems<br>
> to work better with just the alsa driver than it does with jack, a reversal<br>
> of the usual situation.<br>
> I tested this several times by playing fast glissandi on the default piano<br>
> preset. Each time, my little EEE-PC netbook under jack choked with xruns and<br>
> a brief silence while PianoTeq 'reset' itself, but Alsa alone chugged away<br>
> with no xruns unless there was an extreme amount of load....<br>
> I'm wondering if anyone can comment on this. It seems odd, especially since<br>
> the jack developers claim jack adds no latency by itself to the picture in<br>
> any situation---so, do we have a situation where the code is better written<br>
> for the alsa driver than for jackd? It seems we do, in this case....<br>
<br>
</div></div>you should check the latency that it is using with ALSA. Assuming you<br>
use the first audio device on the first sound card:<br>
<br>
cat /proc/asound/card0/pcm0p/sub0/hw_params<br>
<br>
and then compare that with your JACK settings.<br>
<font color="#888888"><br>
--p<br>
</font></blockquote></div><br><br clear="all"><br>-- <br>Aaron Krister Johnson<br><a href="http://www.akjmusic.com" target="_blank">http://www.akjmusic.com</a><br><a href="http://www.untwelve.org" target="_blank">http://www.untwelve.org</a><br>
<br>
</div>