Clarification: Are you looking for software which will automatically start recording when you start speaking and stop when you stop speaking? "Voice Activated Recording" as it's known? – MajenkoFeb 28 '11 at 12:24
YES, automatically starts and stops recording in a file. – SashaFeb 28 '11 at 14:10
Anything voice-related in Linux is a bit iffy, just to let you know. If you find a good solution, I'll be surprised. – new123456Feb 28 '11 at 22:13