[sdiy] Modulated ADSR Generator

[Dave Manley]

On 7/8/2011 5:52 PM, Matthew Smith wrote:
> Hi Folks
>
> Just working on a PCB design for a digitally controlled ADSR generator/LFO. (The LFO is just a wavetable setup - I've got spare FLASH available in the microcontroller, so thought I might as well chuck
> some wave data in there.)
>
> Current concept is an ATMega128 reading 8 parameter pots, doing some sums/lookups, sending values via SPI to a Microchip MCP4821 12-bit DAC, which then outputs a 0-5V control voltage.
>
> I was wondering if there would be any value in sacrificing one of the pots in favour of sampling another control voltage, which would be used as a multiplier for the value already being fed to the DAC.
>

You might also consider using a CV to scale the ADSR segment times.

-Dave