Delayed Auditory Feedback
Encyclopedia
Delayed Auditory Feedback (DAF), is a device that enables a user of the device to speak into a microphone
and then hear his or her voice in headphones
a fraction of a second later. Some DAF devices are hardware; DAF computer software is also available.
DAF usage (with a 175 millisecond delay) has been proven to induce mental stress.
Electronic fluency devices
use delayed auditory feedback and have been used as a technique to aid with stuttering
.
Microphone
A microphone is an acoustic-to-electric transducer or sensor that converts sound into an electrical signal. In 1877, Emile Berliner invented the first microphone used as a telephone voice transmitter...
and then hear his or her voice in headphones
Headphones
Headphones are a pair of small loudspeakers, or less commonly a single speaker, held close to a user's ears and connected to a signal source such as an audio amplifier, radio, CD player or portable Media Player. They are also known as stereophones, headsets or, colloquially, cans. The in-ear...
a fraction of a second later. Some DAF devices are hardware; DAF computer software is also available.
DAF usage (with a 175 millisecond delay) has been proven to induce mental stress.
Electronic fluency devices
Electronic fluency devices
Electronic fluency devices are electronic devices intended to improve the fluency of persons who stutter...
use delayed auditory feedback and have been used as a technique to aid with stuttering
Stuttering
Stuttering , also known as stammering , is a speech disorder in which the flow of speech is disrupted by involuntary repetitions and prolongations of sounds, syllables, words or phrases, and involuntary silent pauses or blocks in which the stutterer is unable to produce sounds...
.