Fluency Master - provides aural enhancement of the vocal tone. A miniature microphone amplifies the "buss" of phonation and returns it to an earpiece that resembles a behind-the-ear hearing aid. ($1500 USD) Contact:
Beaumont Stuttering Center
3601 West Thirteen Mile Road
Royal Oak, MI
USA 48073-6769
Phone: 810-551-2100
Delayed Auditory Feedback (DAF) - devices delay the user's voice to his headphones, shifts the pitch of the voice, masks the sound of the voice, etc. depending on the options selected. Catalogue available. ($350+ USD) Contact:
Casa Futura Technologies
PO Box 7551
Boulder, CO
USA 80306-7551
Phone: 303-417-9752
email: kehoe@netcom.com
Edinburgh Masker - provides a low buzzing to both ears that prevents the wearer from hearing his own voice when speaking, thus promoting fluency. Now being produced by a new manufacturer. (Price unknown) Contact:
Jedcom (UK) Ltd.
5 West Street
Tavistock, Devon PL 19 8AD
UNITED KINGDOM
Phone 01822 617611
Fax: 01822 617619