FM System Recordings

This page contains links to recordings of speech through a Comtek FM system in quiet and in noise, through the FM (on the lapel of the speaker) and/or environmental (on the body of the listener) microphones, at a distance of three and twelve feet from the listener. Multi-talker babble speech noise was presented from behind the listener at a level of about 60 dBA. Sentences are taken from a Hugh Gallaher essay (see below). The files are in Windows .wav format and range in size from 135 to 379 K.