Re: [chuck-users] Chuck and Control Voltage ( CV )

Nice one! Thanks for sharing ! For the schope, maybe "schwa schope" or "Bram's S(m)exoscope" could do the job On 19 September 2012 14:39, Stefan Blixt wrote:

My experience was that the soundcard maxed out at +-4V. That was enough for me; at 1 V/octave that means 8 octaves for notes and enough amplitude to give the VCF a thorough sweep. It simple in ChucK too: the difference between 0.0 and 0.25 is 1 octave, between 0.25 and 0.5 is 1 octave and so on.

I don't know how to test the voltages without a scope or a meter - nice gear to have around when working with CV anyhow. Maybe you could feed the voltage back into an input and have silent way calibrate it for you (if it can do that), though I've found the inputs on the MOTU to be less reliable than the outputs.

/Stefan

On Wed, Sep 19, 2012 at 3:22 PM, henrique matias wrote:

...

Oh, thanks a lot for such fast reply!

Am wondering then if its possible to reach the +/-5V.. And how can i "test" it inside the box.

For instance for modulating a MS-20 i guess the range is -5 to +5

anyway, its already amazingly helpfull! thanks a lot!

On 19 September 2012 13:25, Stefan Blixt wrote:

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Here's an old thread. One thing they've fixed since then is that you don't go up to 2.0 on the dac for four volts anymore, 1.0 => 4V, and -1.0 => -4V.

http://electro-music.com/forum/viewtopic.php?highlight=chuck++motu&t=33750

/Stefan

On Wed, Sep 19, 2012 at 2:23 PM, Stefan Blixt wrote:

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Yeah I like to control my modular from ChucK via a MOTU Ultralite mk1. Works fine. :)

/Stefan

On Wed, Sep 19, 2012 at 2:07 PM, henrique matias wrote:

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Does anyone has experience / references about it ?

Am currently controlling my CV stuff using http://www.expert-sleepers.co.uk/silentway.html and outputting via my MOTU card..

Any references/ideas are more than welcome!

have a great day ( :

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