Dave Smith Instruments SYNTHESIZERS

Hi, 

I have been playing around with my new evolver for about a week now and I am
very pleased with the results so far.  There are a few things though that
are not quite clear to me:

- Filter key amt has no effect at all
- osc glide has no effect

Am I missing some knob setting or could this be a bug?

Another thing: osc 1 sounds, whenever sync 2 to 1 is on, even though I turn
osc 1 level to "0"

One last thing: the variety in routing parameters is very impressive, and
yet, in one respect I am a little disappointed (maybe due to my lack of
experience so far?): my SC Pro One (analog monophonic synthesizer built in the early
1980ties) gives me great sounds when modulating an osc by itself and then
maybe routing the result to the other osc, and/or modulating the filter by an
osc. When I try this with the evolver (osc 3 modulating osc 1 freq) the sound
is just useless. I wonder if this has to do with the concept of digital
steps, because with the pro one it all depends on very precise tuning, sometimes
even rather touching a knob slightly than actually turning it, whereas with
the evolver is is just step 1 or 2, on or off, and nothing in between. Has
anyone any experience with this?

thanks,
Stefan

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On Sun, Sep 21, 2003 at 11:33:58PM +0200, Stefan Weber wrote:
> - Filter key amt has no effect at all osc glide has no effect
> 
> Am I missing some knob setting or could this be a bug?

Not sure about the `Filter key has no effect', but note that osc-glide
_doesn't effect sequenced notes_ -- the glide effect happens
_before_ the sequencer (on the midi input).  It's not strictly speaking a
bug, just a different way of thinking about the synth's signal flow.

Lots of people have complained about this though, so it may be one of the
things that gets changed in a future OS release.

> SC Pro One (analog monophonic synthesizer built in the early 1980ties)
> gives me great sounds when modulating an osc by itself and then maybe
> routing the result to the other osc, and/or modulating the filter by an
> osc.  When I try this with the evolver (osc 3 modulating osc 1 freq) the
> sound is just useless.

I've never even used a pro-1, but it's a very different synth in this respect
-- it's basically all analogue, whereas the evolver's modulation is all
digital (I'm not sure at what rate modulation happens though).  I think for
any sort of high-frequency modulation like osc FM, the limited bandwidth and
aliasing issues of digital modulation are going to make it sound quite
different.

-Miles
-- 
Saa, shall we dance?  (from a dance-class advertisement)

thank you Miles. midi makes all the difference (same with filter key amt),
so lets hope we get a new os sometime with sequencable (?) osc glide
(by the way, wouldn't it be cool to have a glide option bewteen sequencer
steps, regardless what parameter they control?)

Stefan.

On Sun, Sep 21, 2003 at 11:33:58PM +0200, Stefan Weber wrote:
> - Filter key amt has no effect at all osc glide has no effect
> 
> Am I missing some knob setting or could this be a bug?

Not sure about the `Filter key has no effect', but note that osc-glide
_doesn't effect sequenced notes_ -- the glide effect happens
_before_ the sequencer (on the midi input).  It's not strictly speaking a
bug, just a different way of thinking about the synth's signal flow.

Lots of people have complained about this though, so it may be one of the
things that gets changed in a future OS release.

> SC Pro One (analog monophonic synthesizer built in the early 1980ties)
> gives me great sounds when modulating an osc by itself and then maybe
> routing the result to the other osc, and/or modulating the filter by an
> osc.  When I try this with the evolver (osc 3 modulating osc 1 freq) the
> sound is just useless.

I've never even used a pro-1, but it's a very different synth in this
respect
-- it's basically all analogue, whereas the evolver's modulation is all
digital (I'm not sure at what rate modulation happens though).  I think for
any sort of high-frequency modulation like osc FM, the limited bandwidth and
aliasing issues of digital modulation are going to make it sound quite
different.

-Miles

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