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That lipreading plays a role in phoneme recognition, even when the acoustic signal alone is phonologically unambiguous, has been concluded from experiments in the perception of discrepant combinations of acoustic and visual speech signals. Little is known about the effect of visual information on explicitly phonetic judgments, the kind of judgments made by(More)
The voiced/voiceless distinction for English utterance-initial stop consonants is primarily realized as differences in the voice onset time (VOT), which is largely signaled by the time between the stop burst and the onset of voicing. The voicing of stops has also been shown to affect the vowel's FO after release, with voiceless stops being associated with(More)
The post-stop-release rise or fall of fundamental frequency (F0) is known to affect voicing judgments of syllables with ambiguous voice onset times (VOTs). In 1986, Silverman claimed that the critical factor was not direction of F0 change but rather its direction relative to the intonational contour. He further claimed that only F0s that start above and(More)
Prepausal postvocalic stops in English are reported to occur both with and without audible release bursts, more or less randomly, and this difference is said to be without distinctive function. However, there is evidence that an English final stop, absent its release, may be of reduced intelligibility, particularly as to its place of articulation. Without(More)
A common type of stop is voiceless and unaspirated, sometimes contrasting with a voiced one. In English this is true in certain contexts, but utterance-initially the two types vary freely, both heard as voiced by phonetically naïve native speakers, though linguists sometimes describe the first as "devoiced" and/or the second as " prevoiced. " Moreover,(More)
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