dzach What: A Voice Operated Switch / Recorder package
Where: http://users.hol.gr/~dzach/vox/vox.html Description: Written in pure tcl, uses Snack, triggers user's callback procedure on "voice on" and "voice off" conditions. Created: 13-Mar-2005
A sample application : voxrecorder.tcl creates a minimal voice operated recorder that saves wav files for each utterance.
Here is how it looks in winXP and tile
HJG 2013-12-21 - That page is offline. archive.org has the last version, from 2008-04
dzach 2013-12-22 - Just checked. The page is online and viewable.