[Fpga-synth] Oscillator Sync to gate
Magnus Danielson
magnus at rubidium.dyndns.org
Thu Apr 16 00:11:13 CEST 2009
Eric,
Eric Brombaugh skrev:
> Here's another little philosophical question:
>
> If you've got a simple synth with a standard signal flow:
>
> pitch cv -> osc -> vca -> out
> ^
> |
> gate ----> adsr ----+
>
> is there any advantage to syncing the osc to the gate such that you get
> the same initial phase on every strike of the note? It seems the typical
> configuration of a modular synth will not try to do this, choosing
> instead to let the oscillator run free. Perhaps commercial (digital)
> synths do this?
>
> Advantages of sync would be to get identical waveforms every time you
> hit that note. Disadvantage would be that you get identical waveforms
> every time >grin<. I suppose it depends on how much variation you're
> looking for.
>
> What's your preference?
Don't do it!
For most parts, I see no point in it.
However, when considering sounds where attack is essentially imminent,
similar to hitting a bell or some other resonance, it might be important
to get consistent transient. That's at least when it would make sense.
For slower attacks I would say that if there is an effect, it reduces
significantly as attacks becomes longer.
The middle path is to allow it to be routeable, but not default.
Now at least you know when I think it may be worth it, if it ever is...
Cheers,
Magnus
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