Hypophonia is soft speech, especially resulting from a lack of coordination in the vocal musculature.
[1] This condition is a common presentation in Parkinson's disease.
[2] This condition is generally treated with voice training programs, use of shorter sentences, breathing exercises, and muscle training exercises for vocal cords.
[3][4] Doctors at the Indiana University of Pennsylvania have proposed a novel treatment for hypophonic voice: Twang therapy.
[5] This medical sign article is a stub.