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Re: Asking for help from a programmer about Ensoniq emulation
02/18/14 06:47 PM
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> > > I bet the SQ sounds beastly in monophonic mode...how would you "emulate" that
> using
> > > a sampler? You'd have to have separate samples for monophonic mode.
> > Monophonic? not at all. It had 21 notes polyphony
>
> I know. You misunderstand. Monophonic mode is when it sums all the oscillators into
> one. This translates to "fatter" sounds. Like the game over "guitar solo" in Wizball
> on the C64 for example (it sums two channels to make a fat sound and the third
> channel plays delayed for effect).
> http://www.vgmpf.com/Wiki/index.php?title=Game_Over_-_Wizball_%28C64%29
Ok, understood...i think.
> You can't do that with a sampler, you'd have to create separate samples if you want
> it to sound like an SQ in monophonic mode.
There's not such a mode in SQ1. Each of the three oscillators is "alone": it plays a sample through his own filters and envelopes and only "meets" the other OSCs at the output stage, when they are routed to the multi-effect.
So it is a problem i don't have.
> From what I can tell, a sound can use several samples as a base and those could then
> be triggered independently according to velocity and other parameters. Some of the
> samples that you found in the ROM are probably single layers of a layered sound.
No. Each OSC usually plays ONE single sample. You can control the direction and the initial starting point, but still is a single sample.
There's one option to play the whole ROM as a sample (which means that they're not overlapped, just played in sequence as they're stored), which i still have to figure what pratical use it could have.
The only exception to this all could be what it calls "Transwaves", which COULD result in some specific samples played again in sequence. But i don't have the keyborad handy to check how it is, and still it will not be a problem.
Really, i'm confident that i can reproduce the sounds banks with a good precision, if i could know how the SQ1 loops each sample.
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