> Regarding alsa dmix, I don't know the technology, but can > it solve the principle problem of two programs using > different sound servers? As I understand it, the programs > are using sound server API's and not ?ALSA API's so if two > sound server's can't coexist right, no fix in ALSA level > can help. you can stack soundservers, but most often you'll not manage to run them competively in parallel, except you use DMIX or you have a special card which supports hardware mixing. Most consumer cards do not support this. Best regards ce