The Sample Release is a 4 channel bipolar envelope generator module that can also act as a
sample-and-hold or track-and-hold. Each channel takes a voltage input, samples it and then that
voltage goes to zero volts with it's rate controlled by the release knob. This generates control
envelopes that fall when positive voltage inputs are applied and rise when negative voltage inputs are
applied.
Each channel has a toggle that disables the release function and lets the channel act as a
traditional sample-and-hold or track-and-hold. Additionally, a +5V supply is normalized to the voltage
input so the module can also be used as a normal release generator
This module is compatible with 12V and 15V systems without changing any values.
For complete descriptions of the way the module is used, and how to build it, including schematics and parts list; download this PDF file.
Boards are available now. Price for 1 PCB is $8.
Unfinished eurorack
panels are available for this project, they are 10HP and cost $8 each.
There is
more information here about panels. If you're interested in drilling your own panel for
this project, feel free to use my
drill guide. That image should be printed at 300dpi for proper
scaling.
