Perceptual and Acoustic Evaluation of Stuttering Therapy
Formal evaluations of the results of speech therapies are not carried out very often. Stuttering therapies form no exception to this rule. In general, such evaluations can have two goals, viz. to assess the results of a therapy for a given (group of) subject(s) after a certain amount of treatment time, or the identification of weaknesses in the therapy program. The lack of formal evaluations of speech therapies is at least in part due to the fact that few treatment techniques have been sufficiently refined so that a standardized form of treatment can be evaluated and a systematic feedback from evaluation to therapy becomes possible. Yet, there is a real and increasing need for formalized evaluations of speech therapies, if only to reduce the economic and emotional costs of ineffective therapies.
KeywordsAcoustic Measurement Speech Therapy Speech Quality Spectral Slope Speech Sample
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