ICPhS XVII Regular Session Hong Kong, 17-21 August 2011 SUBTLE DIFFERENCES BETWEEN THE SPEECH OF YOUNG SPEAKERS OF ‘ACCENTLESS’ AND STANDARD JAPANESE DIALECTS: AN ANALYSIS OF PITCH PEAK ALIGNMENT Akira Utsugia,b, Masatoshi Koizumic & Reiko Mazukaa,d aRIKEN Brain Science Institute, Japan; bJSPS; cTohoku University, Japan; dDuke University, USA
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[email protected] ABSTRACT ame (HL) ‘rain’ vs. ame (LH) ‘candy’, are non- existent; those words are distinguished only by Japanese dialects are largely classified into two context. types in terms of prosodic systems, one having a Previous studies have reported that younger lexical pitch contrast and the other having no such speakers in areas known as accentless dialects had contrast. Dialects of the latter type are called acquired the Standard Japanese tonal system and ‘accentless’ dialects. Many previous studies are thus no longer ‘accentless’ [11, 14, 16]. For reported that, in areas where an accentless dialect example, Onishi reported that “speakers of the had been originally spoken, younger speakers Sendai dialect, which was originally ‘accentless’, acquired Standard Japanese lexical pitch accent have acquired lexical pitch accent. This process and are thus no longer accentless. We replicated has completed in younger generation” [14]. this finding when we followed the traditional However, the subtle differences between the approach of categorically labeling recorded tokens. standard and accentless dialects may not be However, an acoustic analysis