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- van de Weijer, Joost
(författare)
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Listeners' sensitivity to consonant variation within words
- 2005
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Ingår i: Working Papers (Lund University, Department of Linguistics). - 0280-526X. ; 51, s. 225-238
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In a previous study (van de Weijer 2003), it was shown that it is a relatively uncommon pattern to find two IC within the same monomorphemic word. The main purpose of the present study was to establish whether listeners have implicit knowledge of this aspect of phonological word structure. A lexical decision experiment was carried out in which subjects listened to nonsense words and real words in which the presence of IC was systematically varied. The results revealed an asymmetrical pattern for the real words and the nonsense words, as was evidenced by a significant interaction of lexical status and the presence of IC. Real words without IC were recognized faster than real words with IC, whereas nonsense words without IC were rejected more slowly than nonsense words with IC. The pattern was the same for the monosyllabic and the disyllabic items, but the differences were somewhat clearer for the monosyllabic items than for the disyllabic items.
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- Zhang, Cuiling, et al.
(författare)
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Intra- and inter-speaker variations of formant pattern for lateral syllables in Standard Chinese
- 2006
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Ingår i: Forensic Science International. - : Elsevier BV. - 1872-6283 .- 0379-0738. ; 158:2-3, s. 117-124
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Tidskriftsartikel (refereegranskat)abstract
- Speech variation of speakers is a crucial issue for speaker recognition and identification, especially for forensic practice. Greater intra-speaker variation is one main reason for incorrect speaker identification in real forensic situations. Understanding the stability of acoustic parameters and their variation in speech is therefore significant for the evaluation of effective parameters for speaker identification. In this paper, all vowels in Standard Chinese including five monophthongs, eight diphthongs and four triphthongs were combined with lateral /l/. Finally, 15 lateral syllables with different tones for 10 speakers were selected and acoustically analyzed. Central frequencies of the first four formants for each syllable were measured for quantitative comparison of intra- and inter-speaker variation in order to provide a general idea of speaker variation in Standard Chinese, and finally serving for forensic application. Results show that the overall intra-speaker variation is less than the inter-speaker variation in great extent under laboratory condition though occasionally they are contrary. This supports the basis for forensic speaker identification, that is, intra-speaker variation should be less than inter-speaker variation in many acoustic features, and further validates the probability and reliability of forensic speaker identification.
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