ways of messing with CV?

[loss1234]

i am trying to find ways of warping, twisting, and melting CV signals. lets say I have a CV signal that is coming out of an envelope, or an envelope follower? how could i mess with it?

I know about (but dont know how they work) and have built some simple portamento/lag circuits. I also know about grant richters cv twister.

but what are some other ones? are there any really crazy CV mangler's out there? this is an area that really appeals to me because potentially you could get sounds that have almost nothing to do with the original CV signal.

and any theory links would be great (about how lags work,etc)

thanks so much

[fluxmonkey]

i often use LFOs into ken stone's wave folder with good results. not sure if it'd be as good w/ non-periodic CVs like envelopes... but i'll try it tonite.

b

[Pehr]

How about the Tellun 861 Dunsel and Yusynth Min/Max?

[numbernone]

Seconded, I just put some LFOs thru the CGS wave mult this weekend for the first time to very pleasing results.

I like to mix a bunch of LFOs together and then manually control the mix, gets you lots of variation. But it does thend to tie up your hands a bit.

[Peake]

http://musicsynthesizer.com/DIY/Grant/CVtwister2.html

http://musicsynthesizer.com/DIY/Grant/CVtwister.html

[deknow]

[loss1234]

thanks everybody!!

hey I will have to try out that ken stone wave thing..hadnt even thought of that for CV.

i like the intern idea!

i should try that out.


i also remembered that i could try and use some Cmos dividers to cut up the cv right?

[ericcoleridge]

Loss,

You probably already know about this one, but I really like Fonik's layout for the "buchlaesque" CV Processor--it's an attenu/inverter, lag, and offset in one path. It gives you a lot of control over a CV or LFO. I find it very useful.

[jnuaury]

this sounds less exciting than wavewarping but running cv through a vca to automate its depth is fun

ken stones analog logic board is also nice for altering cv (and audio)

but the vca trick doesnt require any more solder or money im assuming


this is a little different than the question but an emu i have played with has inverters that if nothing was plugged into the input you could get a steady +5 or -5 volts out of them. this is useful for putting your other modules into ranges they normally wont reach

[blue hell]

Oh, and when you have a spare 12 dB LPF that can go really low, like say to 1/4 Hz or so with a controllable Q ... it makes for a cool lag processor with controllable overshoot.

[State Machine]

[State Machine]

How about transforming CV's and LFO's with quantizers like a Blacet "Mini-Wave" module or some other wave table based type quantizer. ?

I usually mangle waveforms using those ...........

Bill

[andrewF]

Two of the best in my synth are the CGS CV Cluster
and Harry's morph lag (for which Ken sells the PCB)

The CV Cluster is especially nice as it takes two CV signals and outputs 10...or more! that are all related but different. This allows for some very interesting andd intriguing polyphonic patches.

The morph lag works very well for bending stepped outputs, results in smoother tone/timbre transitions...altogether more watery. i should have a look at it with my scope one day and try to work out what is going on.

[CJ Miller]

Don't forget rectification. And nonlinear waveshaping with diodes, which can also be used in conjuction with filters, fixed or otherwise. Applying various logical, mathematic, etc functions to CVs. Comparators, VC switches. Sample and hold, ramp and hold, track and hold, etc.

As has been said though, basic mixing, splitting, range, scale, offset, inverting, attenuation - these are the basic essentials, and far too few systems have these covered. And yes, lots of VCAs can be handy for handling signal and CV amounts.