From Jason Proctor Sent Sun, Sep 29th 2019, 17:05
From Jason Proctor Sent Sun, Sep 29th 2019, 17:05
I don't see any mention of 1v/oct in the Dual ADSR docs. The level input is a linear input to the output VCA. Some looping envelopes have 1v/oct inputs to use them as VCOs, but although the Dual ADSR does loop, it doesn't have any CV control of envelope timings. Perhaps OP can give us some indication of what he might expect from 1v/oct on inputs other than exponential VCO/VCF etc? On Sun, Sep 29, 2019 at 8:34 AM DJ Maytag <xxxxxxxx@xxxxxxxx.xxx> wrote: > > I=E2=80=99m pretty sure that=E2=80=99s 1V/oct modulating ENV amount and/o= r timing, as I mentioned. Now that I think of it, I think there=E2=80=99s a= n input to Intellijel=E2=80=99s Dual ADSR that could be used to scale the A= DSR intensity by sending it 1V/oct. > > http://www.instagram.com/djmaytag > http://www.soundcloud.com/djmaytag > https://choon.co/artists/djmaytag/ > > > ________________________________ > From: John Emond <xxx.xxx@xxxxxx.xxx> > Sent: Sunday, September 29, 2019 10:21 AM > To: Quincas Moreira > Cc: DJ Maytag; Tristan; Dustin Sedlacek; Analog Heaven > Subject: Re: [AH] Why isnt everything 1 v/o ? > > What about Keyfollow on the Jupiter 8 envelopes? > > Cheers, > > John > > On Sep 29, 2019, at 9:17 AM, Quincas Moreira <xxxxxxx@xxxxx.xxx> wrote: > > 1v/oct is a standard for tuning pitches. That makes sense in exponential = inputs of VCOs and VCFs, everything else is simply measured in voltages, an= d sometimes the response curve, like log, lin or expo. In my experience mos= t cv outputs in eurorack 10vpp, being 0 to 10v if positiv only, and -5 to += 5 if bipolar, though there are plenty that output double that (-10 to 10). = Inputs often can be set to respond linearly or log/expo and often go throug= h attenuverters. And a system is never complete without utilities for condi= tioning voltages to what you need. I have quite a few voltage processors my= self which I use for attenuation, inversion, offset, amplification, mixing = etc... > > Sent from my iPad > > On Sep 29, 2019, at 12:09 AM, DJ Maytag <xxxxxxxx@xxxxxxxx.xxx> wrote: > > The only use I could see for a 1V/oct input on a VCA is if you want some = intentional bleed/droning as you play higher up on the keyboard. > > The second use wouldn=E2=80=99t be on the VCA itself, but on an envelope/= ADSR controlling a VCA. The higher the pitch, the shorter the overall envel= ope timing. > > > > http://www.instagram.com/djmaytag > http://www.soundcloud.com/djmaytag > https://choon.co/artists/djmaytag/ > > > ________________________________ > From: Tristan <xx@xxxxxxxxx.xxx.xx> > Sent: Saturday, September 28, 2019 8:26 PM > To: Dustin Sedlacek > Cc: Analog Heaven > Subject: Re: [AH] Why isnt everything 1 v/o ? > > I presume by 1 v/o you mean 1 volt per octave. While this makes sense for= oscillator or filter cutoff > frequency it does not necessarily make sense for a VCA or other module wi= thout a common unit of > calibration. A VCA could have a logarithmic, linear or other non-linear c= ontrol law for the gain. To calibrate > a logarithmic control to 1V/6dB gives a gain range of 60dB over the typic= al 0-10V control source range > which is not adequate to fully cut off the sound. To allow for this a VCA= will often have a voltage mixer for > the input control voltages to allow them to be scaled to the desired cont= rol depth. > > /Tristan > > On Sun, Sep 29th, 2019 at 10:29 AM, Dustin Sedlacek <xxxxxx.xxxxxxxx@xxxx= l.com> wrote: > > > Every time I talk to eurorack guys about 1 v/o VCA or wavefolder they d= on't > > seem to understand why anyone would want that. > > > > Isnt control the thing that everyone wants? > > > > What about 1v/o inputs are not desirable? Is their something I am not > > understanding? > > > > >