scholarly journals Sex differences in voice onset time: A developmental study of phonetic context effects in British English

2004 ◽  
Vol 116 (2) ◽  
pp. 1179-1183 ◽  
Author(s):  
Sandra P. Whiteside ◽  
Luisa Henry ◽  
Rachel Dobbin
Keyword(s):  
Sex Differences ◽  
Context Effects ◽  
Voice Onset Time ◽  
Onset Time ◽  
Developmental Study ◽  
British English ◽  
Phonetic Context

scholarly journals Categorization of regional and foreign accent in 5- to 7-year-old British children

2009 ◽  
Vol 33 (4) ◽  
pp. 366-375 ◽  
Author(s):  
Caroline Floccia ◽  
Joseph Butler ◽  
Frédérique Girard ◽  
Jeremy Goslin
Keyword(s):  
Voice Onset Time ◽  
Onset Time ◽  
Old French ◽  
Foreign Accent ◽  
Connected Speech ◽  
British English ◽  
Acoustic Measures ◽  
Related Information ◽  
Vowel Formants ◽  
Better Than

This study examines children's ability to detect accent-related information in connected speech. British English children aged 5 and 7 years old were asked to discriminate between their home accent from an Irish accent or a French accent in a sentence categorization task. Using a preliminary accent rating task with adult listeners, it was first verified that the level of accentedness was similar across the two unfamiliar accents. Results showed that whereas the younger children group behaved just above chance level in this task, the 7-year-old group could reliably distinguish between these variations of their own language, but were significantly better at detecting the foreign accent than the regional accent. These results extend and replicate a previous study (Girard, Floccia, & Goslin, 2008) in which it was found that 5-year-old French children could detect a foreign accent better than a regional accent. The factors underlying the relative lack of awareness for a regional accent as opposed to a foreign accent in childhood are discussed, especially the amount of exposure, the learnability of both types of accents, and a possible difference in the amount of vowels versus consonants variability, for which acoustic measures of vowel formants and plosives voice onset time are provided.

Speakers' Sex Differences in Voice Onset Time: Some Preliminary Findings

1997 ◽  
Vol 85 (2) ◽  
pp. 459-463E ◽  
Author(s):  
Sandra P. Whiteside ◽  
Caroline J. Irving
Keyword(s):  
Sex Differences ◽  
Voice Onset Time ◽  
Onset Time ◽  
The Voice

This study presents a brief investigation into sex differences of speakers in the voice onset time of English plosives that are stressed in both word-initial and prevocalic position. 72 short phrases were presented to 5 men (range 25 to 37 years, mean age 34.2 yr.) and five women speakers (range 28 to 38 years, mean 32.6 yr.). Analysis showed that the women as speakers had on average, longer voice onset time values than their male peers.

Speakers' Sex Differences in Voice Onset Time: A Study of Isolated Word Production

1998 ◽  
Vol 86 (2) ◽  
pp. 651-654 ◽  
Author(s):  
S. P. Whiteside ◽  
C. J. Irving
Keyword(s):  
Sex Differences ◽  
Voice Onset Time ◽  
Onset Time ◽  
Word Production ◽  
Isolated Word ◽  
Age Range ◽  
The Voice

This report presents a brief study into sex differences of speakers in the voice onset time of English plosives that are stressed in both word-initial and pre-vocalic positions. 36 isolated words were spoken by 5 men (age range 25 to 37 yr., M: 34.2 yr.) and 5 women speakers (age range 28 to 38 yr., M: 32.6 yr.) who were subjects. Analysis showed that the women speakers had on the average relative to the men, longer voice onset time values for voiceless plosives and shorter voice onset time values for the voiced plosives.

scholarly journals Patterns of variability in voice onset time: a developmental study of motor speech skills in humans

2003 ◽  
Vol 347 (1) ◽  
pp. 29-32 ◽  
Author(s):  
Sandra P. Whiteside ◽  
Rachel Dobbin ◽  
Luisa Henry
Keyword(s):  
Voice Onset Time ◽  
Onset Time ◽  
Developmental Study ◽  
Motor Speech

Context effects on the acoustic realization of stops and affricates in Northern Pwo Karen

2020 ◽  
pp. 1-32
Author(s):  
Audra Phillips ◽  
Benjamin V. Tucker
Keyword(s):  
Context Effects ◽  
Voice Onset Time ◽  
Onset Time ◽  
Vowel Quality ◽  
Nasal Vowels ◽  
Closure Duration ◽  
Slight Rise ◽  
The Voice ◽  
Place Effects

Studies have shown that the voice onset time (VOT) of alveolo-palatal affricates is the longest, followed by velars, dental/alveolars, and bilabials. In a reciprocal pattern, closure duration is the longest for bilabials, followed by dental/alveolars, and then velars. Longer VOT is also associated with high and front vowels and tones with rising components. Moreover, the VOT of voiceless unaspirated stops is reported to be longer and closure duration shorter in nasal words. Finally, the voiceless interval has been described as constant in some languages and inconstant in others. Given the evidence of previous research, this study investigates the effects of place, nasality, tone, and vowel quality on the VOT, closure duration, and voiceless interval of the voiced and voiceless obstruents of Northern Pwo Karen (N. Pwo), a language of Thailand. N. Pwo (ISO 639-3 pww) is a ‘true voicing’ language with a three-way distinction in stops, voiceless aspirated and unaspirated affricates, oral and nasal vowels, and six tones (four modal tones and two glottalized tones). In N. Pwo, the place effects on VOT and closure duration pattern reciprocally. Whereas, both VOT and the voiceless interval are longer before oral vowels compared to nasal vowels. VOT is longest before the mid tone, which has a slight rise, while it is the shortest before the falling-glottalized tone. This pattern is reversed for the closure duration of aspirates and voiced stops. Finally, VOT, closure duration, and the voiceless interval are the longest before high and front vowels.

scholarly journals Developmental Trends in Voice Onset Time: Some Evidence for Sex Differences

Phonetica ◽  
2001 ◽  
Vol 58 (3) ◽  
pp. 196-210 ◽  
Author(s):  
S.P. Whiteside ◽  
J. Marshall
Keyword(s):  
Sex Differences ◽  
Voice Onset Time ◽  
Onset Time ◽  
Developmental Trends

Voice onset time in Persian initial and intervocalic stop production

2009 ◽  
Vol 39 (3) ◽  
pp. 335-364 ◽  
Author(s):  
Mahmood Bijankhan ◽  
Mandana Nourbakhsh
Keyword(s):  
Sex Differences ◽  
Fundamental Frequency ◽  
Voice Onset Time ◽  
Onset Time ◽  
Initial Position ◽  
Place Of Articulation ◽  
Vowel Context ◽  
Significant Difference ◽  
Voiceless Stop ◽  
High Vowels

The purpose of this study is to examine voice onset time as a phonetic correlate of voicing distinction in standard Persian. Issues pertinent to VOT are also addressed: namely, the effect of place of articulation, vowel context and sex of speakers. The VOTs were measured from recordings of five male and five female speakers reading 65 words that contained a full set of Persian oral stops in word initial and intervocalic positions. This acoustic experiment indicated that VOT distinguishes voiced from voiceless stops. The results also revealed that Persian uses mainly {voiceless unaspirated} and {voiceless aspirated} categories for [±voice] distinction in initial position and {voiced} and {voiceless aspirated} categories in intervocalic position. Vowel context also affected VOT values but the only significant difference was due to high vowels, which caused the preceding voiceless stop to have a longer VOT. Examining sex differences in the VOT values indicated that for voiced items females produced longer VOTs than males. However, voiceless items displayed no significant sex differences for VOT values. Fundamental frequency (F0) of the onset of the following vowel was also examined as another cue to voice distinction. Although the F0 values of voiceless tokens were higher than those of the voiced ones in each voiced–voiceless category, the results suggest that F0 is not a major cue distinguishing the two stop categories.

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