Altered Auditory Feedback Devices
Altered auditory feedback (AAF) such as singing, choral speaking, masking, delayed or frequency altered feedback have long been known to reduce stuttering. Early altered auditory feedback devices were large and thus confined to the laboratory or therapy room, but advances in electronics have permitted increasingly portable devices such as Derazne Correctophone, the Edinburgh Masker, the Vocaltech Clinical Vocal Feedback Device, the Fluency Master and the SpeechEasy. Current devices may be similar in size and appearance to a hearing aid, including in-the-ear and completely-in-the-canal models.
Read more about this topic: Electronic Fluency Devices
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