请看这个软件介绍：
http://www.ultramaster.com/juno6/index.html
100% Supported on Linux
FREE!
With Source Code
[SIZE=6]Realtime Synthesis [/SIZE]
Unlimited Polyphony
Configurable MIDI control of all parameters
ULTRANALOG® pulse, saw and sub square wave oscillators
High Pass Filter
LFO
One VCF, VCA, and ENV per voice
6 voice Stereo Chorus ( 3 speeds )
Arpeggio with 3 octave range and up / up&down / down modes
Transpose keyboard to any key
Sustain Hold
Mono or Stereo Output
61 Note Virtual Keyboard
Load and Save, 100 patches / patch set
Master tune