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Subject: To self - Oscillate..

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Original Message 1/75 29-Oct-00 @ 12:27 AM - To self - Oscillate.. newbie question

metaphy99

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Every couple of weeks I see someone use the terminology self-oscillation. What is self-oscillation? Why do people speak of it like it's real special, is this something I should want to do? Does Waldorf , Nord, and Nova do it? Does the Virus B do it????

Evar

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Message 2/75 29-Oct-00 @ 02:38 AM - RE: To self - Oscillate..

boomer

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Crudely, when the resonance is turned up real high and the there is a lot of high frequency cut off going on, the emphasized amplitude of the cut band starts to sound like a sine wave. That sine wave phenomenon is self-oscillation. (On real analog system, self oscillation happens even if you don't pass any signal into the filter.) It's a big deal to some and not for others. Most VAs in the market have low pass filters that will self oscillate. From first hand experience, I know that Virus, Nova, JP8k, MS2000, Nord, Reaktor, Rebirth, Vaz, Waldorf PPG, Roland JV series, and lots more do self osciilate.

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Message 3/75 30-Oct-00 @ 05:03 AM - RE: To self - Oscillate..

phunkytek

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To the lamen, what was stated is acurate as can be said, but simply put, self osc is when your sampler squeals and screams at a high pitch. It is very distinct. Turn up your resonance and tweek the filter cut off, when it begins to squeal like pig. It's self oscillating.

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Message 4/75 30-Oct-00 @ 03:30 PM - RE: To self - Oscillate..

Jasper

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I don't know about the other symths but the microwaves do self oscilate even when there is no volume on either of the oscilators.

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Message 5/75 30-Oct-00 @ 06:02 PM - RE: To self - Oscillate..

boomer

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Neat!

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Message 6/75 31-Oct-00 @ 06:14 AM - RE: To self - Oscillate..

Metaphy99

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Thanks for the infomation....Evar

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Message 7/75 31-Oct-00 @ 07:32 AM - RE: To self - Oscillate..

influx

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first one was right. resonance is so high that it produces its own sound.

neat yes. but why its such a big deal I never understood

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Message 8/75 31-Oct-00 @ 02:08 PM - RE: To self - Oscillate..

boomer

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I don't know either. I don't think it's a big deal.

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Message 9/75 31-Oct-00 @ 06:11 PM - RE: To self - Oscillate..

nothingnewhere

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cause its a cool noise? :-)

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Message 10/75 02-Nov-00 @ 03:36 AM - RE: To self - Oscillate..

influx

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perfect answer

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