An acoustical study on Lai vowel length

2001 ◽  
Vol 110 (5) ◽  
pp. 2655-2655
Author(s):  
Kenneth Vanbik ◽  
Rungpat Roengpitya
Keyword(s):  
Vowel Length ◽  
Acoustical Study

Final Consonant Deletion in African American Children Speaking Black English

1993 ◽  
Vol 24 (3) ◽  
pp. 161-166 ◽  
Author(s):  
Michael J. Moran
Keyword(s):  
African American ◽  
Black English ◽  
African American Children ◽  
Vowel Length ◽  
Minimal Pairs ◽  
Speech Evaluation ◽  
American Children

The purpose of this study was to determine whether African American children who delete final consonants mark the presence of those consonants in a manner that might be overlooked in a typical speech evaluation. Using elicited sentences from 10 African American children from 4 to 9 years of age, two studies were conducted. First, vowel length was determined for minimal pairs in which final consonants were deleted. Second, listeners who identified final consonant deletions in the speech of the children were provided training in narrow transcription and reviewed the elicited sentences a second time. Results indicated that the children produced longer vowels preceding "deleted" voiced final consonants, and listeners perceived fewer deletions following training in narrow transcription. The results suggest that these children had knowledge of the final consonants perceived to be deleted. Implications for assessment and intervention are discussed.

Licensing of Vowel Length in Czech

2018 ◽  
Author(s):  
Markéta Ziková
Keyword(s):  
Vowel Length

Articulation of Vowel Length Contrasts in Australian English

2019 ◽  
Author(s):  
Louise Ratko ◽  
Michael Proctor ◽  
Felicity Cox
Keyword(s):  
Vowel Length ◽  
Australian English

The Perception of Cantonese Vowel Length Contrast by Mandarin Speakers

2019 ◽  
Vol 63 (3) ◽  
pp. 635-659
Author(s):  
Jingxin Luo ◽  
Vivian Guo Li ◽  
Peggy Pik Ki Mok
Keyword(s):  
Second Language ◽  
Discrimination Task ◽  
Early Stage ◽  
Vowel Quality ◽  
Speech Acquisition ◽  
Vowel Length ◽  
Third Language ◽  
Phonological Knowledge ◽  
Mandarin Speakers

The study investigates the perception of vowel length contrasts in Cantonese by native Mandarin speakers with varying degrees of experience in Cantonese: naïve listeners (no exposure), inexperienced learners (~1 year), and experienced learners (~5 years). While vowel length contrasts do not exist in Mandarin, they are, to some extent, exploited in English, the second language (L2) of all the participants. Using an AXB discrimination task, we investigate how native and L2 phonological knowledge affects the acquisition of vowel length contrasts in a third language (L3). The results revealed that all participant groups could discriminate three contrastive vowel pairs (/aː/–/ɐ/, /ɛː/–/e/, /ɔː/–/o/), but their performance was influenced by the degree of Cantonese exposure, particularly for learners in the early stage of acquisition. In addition to vowel quality differences, durational differences were proposed to explain the perceptual patterns. Furthermore, L2 English perception of the participants was found to modulate the perception of L3 Cantonese vowel length contrasts. Our findings demonstrate the bi-directional interaction between languages acquired at different stages, and provide concrete data to evaluate some speech acquisition models.

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