1983
DOI: 10.3758/bf03203660
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A precision electronic timer for the measurement of acoustic signals

Abstract: An electronic speech timer that uses only relatively inexpensive and readily available electronic components and common circuitry is described. This device rapidly and accurately measures the durational characteristics of speech and the durations of other acoustic signals over extended lengths of time. Its application to the measurement of total speaking time, articulation time, and phonation time are outlined. Accuracy, reliability, and validity are discussed and compared with other, more time-consuming and c… Show more

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“…Its construction [Dawirs and Walker, 1983] and use as a clinical and research tool have been described previously [Holbrook et al" 1976[Holbrook et al" , 1977Walker et al" 1981]. This instrument ( fig.…”
Section: Instrumentationmentioning
confidence: 99%
See 1 more Smart Citation
“…Its construction [Dawirs and Walker, 1983] and use as a clinical and research tool have been described previously [Holbrook et al" 1976[Holbrook et al" , 1977Walker et al" 1981]. This instrument ( fig.…”
Section: Instrumentationmentioning
confidence: 99%
“…The validity and reliability of this instrument have been reported elsewhere [Dawirs and Walker, 1983], Validity was determined by taking measures of a locally recorded standard test tape and comparing the measures of the electronic speech timer with mea sures of the same tape made from a sound spectro graph and a graphic level recorder. The electronic speech timer was determined to be more accurate than either of the two graphic measures.…”
Section: Instrumentationmentioning
confidence: 99%