[PD] ASIO latency (windows)

Tim Blechmann TimBlechmann at gmx.net
Tue Nov 23 01:42:27 CET 2004

> I had problems too, trying to start pd 0.38test10 with an emagic emi
> 2/6.(Won't run at all).
> Seems that the portaudio code of pd is less than optimal. Not sure if
> the way to solve this is writing native ASIO code, as it is done
> currently by Tim and Tom (;)), or to fix the portaudio stuff.
i'm not familiar with the hercules dj console ... but i suppose, it's
common for usb devices to work with a block size of multiples of 441 (at
least with my old quattro that didn't run with portaudio, too)

for these devices, i still have some problems to reduce the input
latency with the native asio implementation ... you could at least try
it and give me some feedback ...

in addition to that, i'm currently working on the main scheduler ... it
would reduce the latency even more, if we compute the dsp at the time of
the asio callback ... (hopefully i can add it to the cvs in a couple of

cheers ... tim

mailto:TimBlechmann at gmx.de    ICQ: 96771783

After one look at this planet any visitor from outer space 
would say "I want to see the manager."
				      William S. Burroughs

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