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Communication Dans Un Congrès Année : 2009

Acoustic similarities between front rounded and back unrounded vowels as evidenced by French /ø/ and /u/ produced by Japanese-speaking learners

Résumé

French high back rounded /u/ is characterized by a concentration of energy in the low frequency zone (< 1000 Hz) due to the grouping of the first two formants, and mid-high front rounded /ø/ by a balanced distribution of formants, with F2 located around 1500 Hz. Japanese-speaking learners of French (JSL), who have difficulty differentiating /u/ and /ø/ both in perception and production, tend to produce, for both, Japanese-like /u/, which is fronted and less rounded, with a formant structure similar to that of French /ø/. Our perception experiment using 18 tokens each of /u y ø/ produced by 5 JSL shows that the 16 native speakers of French (NF) tested perceived mainly /ø/ when they heard those stimuli intended as /u/ by JSL but produced with a high F2 between 1100 and 1600 Hz, with a mean goodness rating of 2 to 4.5 out of 5 for /ø/. Another perception test conducted with stimuli synthesized using Maeda's articulatory synthesis (VTCalcs) shows that the 16 NF examined tended to identify vowels synthesized as front rounded vowels and back unrounded vowels both as front unrounded ones (/ø/ and /œ/ respectively), which indicates the acoustic similarities of both types of vowels.

Domaines

Linguistique
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Dates et versions

hal-00468849 , version 1 (31-03-2010)

Identifiants

  • HAL Id : hal-00468849 , version 1

Citer

Takeki Kamiyama. Acoustic similarities between front rounded and back unrounded vowels as evidenced by French /ø/ and /u/ produced by Japanese-speaking learners. Cross-Language Speech Perception and Variations in Linguistic Experience (2nd ASA Special Workshop on Speech), May 2009, Portland, Oregon, United States. pp.2756. ⟨hal-00468849⟩
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