The phonological voicing contrast in Czech: an EPG study of phonated and whispered fricatives

Skarnitzl, Radek; Šturm, Pavel; Machač, Pavel

doi:10.21437/interspeech.2013-708

Cited by 2 publications

(1 citation statement)

References 22 publications

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“…In addition, the lateral edges for [z] seemed to be more raised than for [s] (for FS5 and MS5). This could be related to the articulatory difference between the two segments (Stone et al 1992, Dagenais 1994, Liker et al 2012, Skarnitzl, Sturm & Machac 2013, Kochetov 2014): [z] has more anterior lingual-palatal contact than [s], and the anterior medial groove is narrower in [z]. The lateral edges of the tongue were not symmetrical during the articulation of high vowels.…”

Section: Comparing [Z] To [S] and To [I U 0]mentioning

confidence: 99%

On the nature of apical vowel in Jixi-Hui Chinese: Acoustic and articulatory data

Shao¹,

Ridouane²

2023

Journal of the International Phonetic Association

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Chinese languages have a set of segments known as apical vowels, which have been analysed in previous studies as either genuine vowels, fricative vowels, fricative consonants, or approximants. This study is concerned with the apical vowel attested in Jixi-Hui Chinese. We examine this segment from acoustic and articulatory perspectives and argue that it is best defined as a fricative /z/. Phonologically, Jixi-Hui Chinese /z/ is a distinct phoneme that is exclusively attested in syllable nucleus position where it constitutes a tone-bearing unit and which can undergo tonal sandhi processes. It can appear not only after coronal sibilants /s ts tsʰ/, but also after bilabials /p pʰ/ and nasals /m n/. Acoustically, we show that this segment contains frication noise in its initial phase in the majority of cases, with a formant structure towards its end. The analysis of the zero-crossing rate confirms this significant presence of noise, clearly distinguishing this segment from genuine vowels. Furthermore, articulatory analyses of ultrasound data show that /z/ has a near-identical tongue shape to fricative /s/ on both mid-sagittal and coronal planes, in both sibilant and non-sibilant contexts. These findings are viewed in light of the variability in the way /z/ is phonetically implemented in Jixi-Hui Chinese.

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Section: Comparing [Z] To [S] and To [I U 0]mentioning

confidence: 99%

On the nature of apical vowel in Jixi-Hui Chinese: Acoustic and articulatory data

Shao¹,

Ridouane²

2023

Journal of the International Phonetic Association

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Tongue-Palate Contact Timing during /s/ and /z/ in English

Liker

Gibbon²

2018

Phonetica

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Although numerous studies have investigated supraglottal strategies for signalling voicing in fricatives, there is still no agreement about the precise characteristics of tongue-to-palate contact timing during voiced as opposed to voiceless fricatives. In this study we use electropalatography (EPG) to investigate articulatory and coarticulatory characteristics of tongue-to-palate contact timing during /s/ and /z/ in English. Five typically speaking participants, speakers of Southern British English, produced 500 trochaic words containing the intervocalic alveolar fricatives /s/ or /z/. The time between the start of the frication and the maximum contact at the place of articulation was expressed as a percentage of each fricative's total duration (time to target, TT).This measure was used to analyse articulatory and coarticulatory timing during /s/ and /z/. Data for absolute timing were also presented. The results showed that the time between the start of the frication and the maximum contact point was longer for /s/ than for /z/. This difference was consistent across speakers but was not significant for all of them. The results of the coarticulatory effects showed that the influence of vowel context on TT values for /s/ and /z/ did not differ significantly, but there was a tendency for /z/ to be more resistant to coarticulation effects than /s/.

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The phonological voicing contrast in Czech: an EPG study of phonated and whispered fricatives

Cited by 2 publications

References 22 publications

On the nature of apical vowel in Jixi-Hui Chinese: Acoustic and articulatory data

On the nature of apical vowel in Jixi-Hui Chinese: Acoustic and articulatory data

Tongue-Palate Contact Timing during /s/ and /z/ in English

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