Thanks for your reply DuaneB,
I can find the Illutron B projet ... code source so i will try ArduinoSynth : GitHub - Illutron/ArduinoSynth
arduino-dds-sinewave-generator : http://interface.khm.de/index.php/lab/experiments/arduino-dds-sinewave-generator/ can also help me i think.
I'll let you know