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 Forum index » Instruments and Equipment » General Discussion
Basic analogue electronics/modular synth question
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vi scose poise



Joined: Jun 23, 2005
Posts: 31
Location: USA

PostPosted: Mon Feb 27, 2006 9:20 pm    Post subject: Basic analogue electronics/modular synth question Reply with quote  Mark this post and the followings unread

How does one control an oscillator (ie, make sound) without a keyboard? In addition, how is self-oscillation relevent in such a process?
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paul e.



Joined: Sep 22, 2003
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Location: toronto, canada
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PostPosted: Mon Feb 27, 2006 9:24 pm    Post subject: Re: Basic analogue electronics/modular synth question Reply with quote  Mark this post and the followings unread

vi scose poise wrote:
How does one control an oscillator (ie, make sound) without a keyboard?


you can control an osc via a MIDI sequencer...by transmiting note information etc...or a CV sequencer if this is analog you are referring to...

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Kassen
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Joined: Jul 06, 2004
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PostPosted: Mon Feb 27, 2006 11:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

Light sensitive variable resistors are also cool. Or a theremin. I suppose a lfo could be used in case of emergency. Or you could turn the main power off and on; that will work nicely as well. You could also controll a osc. over OSC; that has several advantages, for one thing it can get confusing if written down, for another you could use a internet connection so you wouldn't need to hear the actual osc. yourself.

Self oscilation doesn't strike me as particularly relevant here but yeah; you could introduce feedback into the controll signals and make them self-oscialte if you realy wanted to. I'm not realy sure what your teacher is getting at there.

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jkn



Joined: Mar 14, 2004
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Location: La Porte, IN, USA

PostPosted: Wed Mar 08, 2006 8:44 am    Post subject: Reply with quote  Mark this post and the followings unread

Ribbon controller! (similar in effect to a theremin)

Anything that will send a control voltage (CV) can control it... whether it's midi through an interfacte - or audio through some sort of interface (I have an instrument in module on my synthesizers.com module... that will do this...)

The old sample&hold -> slew (lag, etc...) -> osc combo will also get things rolling...
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