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Posted by Jason_R on May-23-2006 21:36:

Sub Oscillator question

One of my very favrioute features form the my access c is the sub oscillator.

It comes in very very usefull when creating pads, leads & just about anything.

However I have recently aquired a novation Ks Rack it lacks this feature as do many other synths but I'am sure there must be some hidden way to create this feature.

Thanks 4 any help

Posted by Diginerd on May-23-2006 21:49:

The short version is no.

A slightly longer answer is that a suboscillator was fairly commonly found on single oscillator synths of yester year. The simply were fixed at being tuned one octave below the main oscillator, and usually fixed with a single waveform (Usually square) being triggered by the same EQs as the main Osc.

ie useful for thickening sounds.

If you are using a synth with multiple oscs, try tuning one an -ve below the main one(s) with a square wave and the same enevlope shapes. Not really a sub osc, but making one of your primary ones behave the same way.

Posted by substorm on May-23-2006 23:57:

Maybe this could help a bit?

http://www.tranceaddict.com/forums/...threadid=344228

Cheers

Posted by Derivative on May-24-2006 12:14:

The sub oscillator on an Access Virus C is a Square/Triangle wave pitched 1 octave below oscillator 1.

To simulate this effect on a synth without a dedicated sub oscillator you can either:

1) Mix in a separate oscillator an octave below the first as either a triangle/square wave. You need more than one oscillator to do that though.

2) Create a multitimbral patch if your synth allows it and use the second part patch as a dedicated sub oscillator using the method described above.

3) If you use a VSTi, just clone the instrument and set up a sub osc in that instance of the instrument.

You wont get exactly the same effect as on a Virus or one of the old monosynths because of the differences in the raw waveforms, how much they alias, and the type of filter used.