DAF Professional is the leading app to help people who stammer or have a fast rate of speech. It helps people to slow their rate of speech down which makes it sound clearer to others.
Delayed Auditory Feedback (DAF) is a well established speech and language therapy tool which helps people to speak more slowly. However, until recently, devices have been cumbersome to carry around, difficult to adjust, very expensive and therefore not widely used.
DAF was originally developed for people who stammer, but has since been shown to work with people with other speech difficulties, such as those with Parkinson's Disease (Downie et al., 1981; Dagenaise, Outhwood & Lee, 1998; Lowit et al., 2006 and most recentely Lowit et al., 2010).
It works by enabling someone to hear his or her speech in an altered manner. This disruption to the normal auditory feedback loop causes the speaker to slow down. Research has shown that DAF will be of benefit to approximately a third of people who have a stammer or Parkinson's.
Although our apps may be purchased by individuals, we strongly advice people to use the apps in consultation with a qualified Speech and Language Therapist for overall communication support and management.