[PD] portaudio compatibility with some ASIO drivers (Windows only)

Hans-Christoph Steiner hans at at.or.at
Wed Jul 1 15:49:00 CEST 2009

Maybe its due to the version of ASIO in use?  I just upgraded the  
build farm to use ASIO 2.2, so nightly builds of Pd-extended are using  


On Jun 30, 2009, at 2:53 PM, Stefano Papetti wrote:

> Hello,
> I noticed that pd (at least recent versions of both vanilla and  
> extended) and other portaudio-based applications (e.g. Audacity)  
> don't see some ASIO drivers: namely, the RME Fireface 800 and  
> REAPER's ReaRoute ASIO drivers.
> I found several posts in different forums around about both issues,  
> and I've drawn the following conclusions:
> - the RME ASIO driver simply doesn't work, and nobody actually knows  
> why... However some people report to get ultra-low latencies (3ms)  
> with the MMIO drivers. Moreover, even with the MMIO driver they can  
> use the multi-channel capability of the RME only when set at 48000  
> Hz (but this is another story...). I will ask RME directly about  
> these issues.
> - the ReaRoute ASIO driver is blacklisted by portaudio (as of v19)  
> and therefore discarded...
> The latter is my most urgent problem because I need to route audio  
> from pd to REAPER with the lowest possible latency/cpu load.
> Please help!
> Thanks,
> S
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                             kill your television

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