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[Csnd] Optimizing Audio I/O Latency

Date2008-10-22 06:03
FromDiego Saá
Subject[Csnd] Optimizing Audio I/O Latency
Hi all,

I'm trying to optimize the Audio I/O Latency of my iMac (with the Leopard 10.5.2 OS, and a M-audio FastTrack interface).
Please, correct me if I'm wrong, but I think that the latency would improve if I use CoreAudio instead of PortAudio, right? Csound always picks PortAudio by default, which forces me to use this flag: -+rtaudio=CoreAudio. When I use PortAudio, I get signal from my mic, but for some reason, when I try to use CoreAudio, I get no signal whatsoever. Someone has any idea on why this is happening?

I'm using this simple instrument for my testing:
instr 1
a1       in
out    a1
endin

Cheers,
Diego Saá
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