[sdiy] A different kind of polyphonic aftertouch

Mattias Rickardsson mr at analogue.org
Fri Jan 5 16:11:26 CET 2018

On 5 January 2018 at 05:51, Mike HEQX <mike at heqx.com> wrote:

> I was referring to the velocity curve that you can select on some digital
> synths. It's as if your fingers can't tell the instrument what you want it
> to do directly because, it has to have an additional layer of processing to
> simulate some type of mechanical action that is not inherent in the
> instrument, thus it is psuedo-realistic sensing because you are playing one
> way and the instrument is artificially creating a response. Now that is not
> to say it is a bad thing to have artificial curves as many controllers do,
> but it is certainly not directly representing actual playing physics.

Even with the perfect keybed, is it anything that says that the control
laws of the parameters you control with the synthesizer keyboard are the
only desired ones, the only natural and true and inherent behaviours of the

I'd say no - the velocity curves are there to BUILD an instrument, just
like all the other parameters in a synthesizer. If velocity curves would be
seen as a result of bad design, then you'd have to criticize just about
everything... the keyboard transpose functions - that shouldn't be there
because there are already ways of playing higher or lower on the keyboard -
or samplers to have more samples that the first sample - that should be
good enough for the purpose - and so on... the list would soon be quite
ridiculous. :-)

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