This patient support community is for discussions relating to
hearing loss, alerting devices, assistive listening devices, audiologically deaf, captioning,
cochlear implants, culturally deaf, hearing aids, hearing dogs, home safety,
Meniere’s disease, oral communication, safety, sign language, speech recognition, TDD, telephones, tinnitus, travel, and visual communication.
Commonly found with those that have autisim or William's syndrome
http://www.dizziness-and-balance.com/disorders/hearing/hyperacusis.htm
good luck