[PD] Best PD+OS/Hardware combinations for low audio latency?

patrick patrick at 11h11.com
Sun Mar 30 23:21:53 CEST 2008


hi,

search the archive for low latency on windows (playing with priority). but 
of course i recommand you to switch to linux with a realtime kernel. i have 
a firepod (firewire soundcard - using freebob / ffado) and my latency is 
very low, it's around 7 ms.

this is how i start pd -nosleep -rt -audiobuf 64 -jack

jack audio connection kit (low latency for soundcard).
you will need to play with priority in linux too (/etc/limits.conf - search 
the archive).
i would recommand to uninstall or disable updatedb.
use qjackctl to simplify your life.

pat






----- Original Message ----- 
From: "Joe Newlin" <jtnewlin at gmail.com>
To: "pd-list" <pd-list at iem.at>
Sent: Sunday, March 30, 2008 2:30 PM
Subject: [PD] Best PD+OS/Hardware combinations for low audio latency?


>I want desperately to be able to process guitar in "real time" with PD.
>
> I have a Sony VAIO laptop and Edirol FA-66 Firewire soundcard.
>
> It seems that using Windows is not an option, since I get outrageously
> high audio latency with PD, and a search through the mail list
> archives suggests that the consensus is that this is unavoidable in
> Windows.
>
> I'm trying to get the FA-66 working with Ubuntu, but I'm not quite
> smart enough to understand how to do this.
>
> What I'm wondering is:
>
> 1. What OS/hardware combinations have you found to result in low audio
> latency with PD?
> 2. Isit possible to accomplish this with Ubuntu and the FA-66, or
> should I give up and try something else?
> 3. If it is possible with Ubuntu, are there other resources for
> figuring this out, other than stumbling through web forums that assume
> I understand more than I do?
>
> Thanks for your help!
>
> Joe
>
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