An investigation has been made for individual phonemes focusing mainly on their duration in continuous speech spoken in different rates: fast, normal, and slow. Fifteen short sentences uttered by four male speakers have been used as the speech material which comprises a total of 291 morae. Normal speaking rate (n-speech) is, on average, 150 milliseconds/mora (or 400 morae/minute) and the four speakers have been asked to read the sentences twice as fast as (f-speech) and 1/2 times as slow as (s-speech) the normal speed in reference to the n-speech. Among consonants, the greatest influence has been found to occur on the syllabic nasal /N/ and the least on the voiceless stop /t/ in f-speech. For the s-speech, /N/ has also been found to be the greatest but the least is voiced stop /d/. The ratio of duration between consonant and vowel of a CV-syllable in the f-speech is kept almost the same as that in the n-speech while vowel lengthening becomes significantly large in the s-speech.
CITATION STYLE
Kuwabara, H. (1996). Acoustic properties of phonemes in continuous speech for different speaking rate. In International Conference on Spoken Language Processing, ICSLP, Proceedings (Vol. 4, pp. 2435–2438). IEEE. https://doi.org/10.21437/icslp.1996-611
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