The use of instrumentation to investigate speech dates back at least to the end of the 19th century when newly discovered X-rays were used to look at speech production. As with phonetics in general, however, instrumentation can be used to examine all three of the main divisions of the science of speech: articulatory, acoustic, and auditory phonetics, and this entry looks at the main instrumental techniques used in these three areas. Instrumental phonetics is of great use to Speech–Language pathologists (SLPs) as it allows direct comparison of speech behaviors before, during, and after treatment and provides potentially more information and is less subjective than impressionistic transcription.

Instrumentation in Articulatory Phonetics

All movements of vocal organs required for initiation, phonation, and articulation of speech derive directly from ...

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