PreenFM - Open Source FM Hardware Synthesizer

YouTube Uploaded by MrIxox on Nov 5, 2011

"More info : http://www.preenfm.net
News : http://www.facebook.com/PreenFM"


"16 Full Kits will be available mid december 2011 for 130 Euros + shipping

PreenFM is a set of electronic components and C++ files that, when put together become a Frequency Modulation sound module.

The PreenFM main features include :

. 9 different FM alogorithms with up to 6 operators Each operator includes a pair of oscillator and ADSR enveloppe Oscillator : 7 waveforms (4 sin variation + noise + square + sawtooth), linked to keyb freq or fix, fine tune

. Up to 4 voice polyphony with 3 operators FM algoriyhm up to 3 voice polyphony with 4 operators FM algoriyhm and up to 2 with 6 operators FM algoriyhm.

. Glide available when voice set to 1

. 3 standard LFOs (4 waveforms (saw, ramp, square, random), frequency in Hz, ramp up to 4 seconds, reset on new note).

. 1 Env type LFO

. 8 rows modulation matrix - 12 different sources and 24 destinations

. 4 banks of 128 user presets

. System exclusive to exchange patches and banks with a computer

. Midi control : 44 control input/output control changes linked to parameters Nrpn : input/ouput of all paremeters Midi channel selectable : Midi for other channges can be forwarded to plug several PreenFM in serial

. Large readable 4x20 LCD

. Friendly surface controle : You always clearly see on the screen what you're currently editing

. Sampling rate : 32768 Hz (Makes integer division faster ;-). Pseudo 11 bits. 1024 Hz for LFO and modulation matrix

. 6th order butterworth analog filter to convert the 1 bit output into a nice waveform

. Transparent case that allows you to see every day your nice work"

See http://sites.google.com/site/preenfm/ for more.