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[Csnd] Realtime CoreAudio

Date2009-03-04 13:03
Fromk_o_m_p@yahoo.de
Subject[Csnd] Realtime CoreAudio
Hello,

I am having difficulties to run csound with live input with a clean sound. I'm running OSX 10.4 with csound 5.10. I'm sure I'm missing something and perhaps some of you could give some advice (there is no informations on the manual for real-time audio on the mac).

This is what I've done until now:

1. added a new device: Audio Preferences -> Audio - > Open Device Editor -> Add device

2. include the flag -+rtaudio=CoreAudio when running csound.

Csound seams to run CoreAdio but the results are not usable. The sound is full of distortion (modulated by kr?).

I inclueded the csound file. Any help is appreciated.

Luis



-+rtaudio=CoreAudio -m0 -b512 -B512 -M0 -odac -iadc -d


sr = 44100
ksmps = 128
nchnls = 2

instr    1
a2  inch 2
a1 inch 1
kvol ctrl7 1, 7,0, 2        ;UC-33 33 / master vol
kvol port kvol, .02
ctrlinit 1, 7, 0

aout1 = a1 * kvol
aout2 = a2 * kvol
outs aout1, aout2

endin


i 1  0  600





----
luis antunes pena 
http://icem.folkwang-hochschule.de/~pena 
http://sumtone.com
http://www.myspace.com/kaurimusik







Date2009-03-04 14:23
Fromjoachim heintz
Subject[Csnd] Re: Realtime CoreAudio
Hi Luis -

I've used Csound recently with live input with these options:
-iadc2 -odac1 -Ma -A -d -b64 -B256 -3
(adc2 and dac1 was a Motu Interface)

I think this used portaudio, but there weren't any problems.

As I read on http://www.csounds.com/manual/html/UsingOptimizing.html  
the -B and -b should not the same, but usually B = 4 * b. Perhaps you  
can try this.

Best -

	joachim



Am 04.03.2009 um 14:03 schrieb k_o_m_p@yahoo.de:

>
> Hello,
>
> I am having difficulties to run csound with live input with a clean  
> sound. I'm running OSX 10.4 with csound 5.10. I'm sure I'm missing  
> something and perhaps some of you could give some advice (there is  
> no informations on the manual for real-time audio on the mac).
>
> This is what I've done until now:
>
> 1. added a new device: Audio Preferences -> Audio - > Open Device  
> Editor -> Add device
>
> 2. include the flag -+rtaudio=CoreAudio when running csound.
>
> Csound seams to run CoreAdio but the results are not usable. The  
> sound is full of distortion (modulated by kr?).
>
> I inclueded the csound file. Any help is appreciated.
>
> Luis
>
> 
> 
> -+rtaudio=CoreAudio -m0 -b512 -B512 -M0 -odac -iadc -d
> 
> 
> sr = 44100
> ksmps = 128
> nchnls = 2
>
> instr    1
> a2  inch 2
> a1 inch 1
> kvol ctrl7 1, 7,0, 2        ;UC-33 33 / master vol
> kvol port kvol, .02
> ctrlinit 1, 7, 0
>
> aout1 = a1 * kvol
> aout2 = a2 * kvol
> outs aout1, aout2
>
> endin
> 
> 
> i 1  0  600
> 
> 
>
>
>
> ----
> luis antunes pena
> http://icem.folkwang-hochschule.de/~pena
> http://sumtone.com
> http://www.myspace.com/kaurimusik
>
>
>
>
>
>
>
> Send bugs reports to this list.
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