Thanks for the tips Dave. I like your description variation of Good,
Better, Best.
Larry H.
> Technically, a lag processor introduces an RC time constant into the
input
> signal. It is mostly used to process control voltages.
>
> A SIMPLE lag processor would have a single knob to control both rise and
> fall time. It might allow voltage control of the rise and fall time also.
>
> A BETTER lag processor would have separate controls and CV inputs for
rise
> and fall time. Add triggering capability and you have the Serge Universal
> Slope Generator, an extremely flexible module which JW described in
detail
> in a post on 3/7/99.
>
> A STUDLY lag processor has separate rise and fall controls, AND allows
you
> to vary the response from linear to exponential (as in the Emu design).
>
> Here's a few things you can do with one:
> 1. Add portamento to any stepped CV as Paul mentioned - sample & hold and
> sequencer outputs, for instance.
> 2. Turn a gate signal into an ASR envelope generator (that's why you want
> separate rise and fall times and exponential response ability).
> 3. Modify LFO waveforms on the fly, similar to the symmetry control
planned
> for the 320.
> 4. Use as a crude audio filter. Probably not that effective on VCOs, but
it
> works well for filtering white and pink noise into darker varieties, and
for
> making slow random signals even slower.
>
> They are a lot more versatile than you'd think at first glance.
>
> Dave Bradley