[sdiy] ADSR Plus - 8 parameters?

[Andre Majorel]

On 2011-02-03 18:43 +1030, Matthew Smith wrote:

> I've figured out my digital ADSR generator - microcontroller feeds
> DAC, is controlled by an 8-input SPI ADC connected to a set of 8
> pots. (This section nicked from my notes on how I might build a
> replacement for a Roland PG-800.)
> 
> 7 pots accounted for:
> 
> * Attack time
> * Attack shape (straight line, curving inwards)
> * Decay time
> * Decay shape (as above)
> * Sustain level
> * Release time
> * Release shape (ditto)
> 
> As I have an extra channel going spare, is there another useful
> parameter I could put in there, bearing in mind that I'm not going
> to be doing aftertouch?

VC input. Every volt above 0 divides attack time, decay time and
release time by 2. Every volt below 0 multiplies by 2.

-- 
André Majorel http://www.teaser.fr/~amajorel/