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Intra- and inter-speaker variations of formant pattern for lateral syllables in Standard Chinese

Zhang, Cuiling; van de Weijer, Joost LU and Cui, Jingxu (2006) In Forensic Science International 158(2-3). p.117-124
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... (More)
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. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
forensic phonetics, formant patterns
in
Forensic Science International
volume
158
issue
2-3
pages
117 - 124
publisher
Elsevier
external identifiers
  • pmid:16039081
  • wos:000236725400005
  • scopus:33645026168
ISSN
1872-6283
DOI
10.1016/j.forsciint.2005.04.043
language
English
LU publication?
yes
id
61dbc66f-8720-479d-b847-5de93e852478 (old id 161771)
date added to LUP
2007-07-30 09:15:53
date last changed
2019-03-08 01:16:00
@article{61dbc66f-8720-479d-b847-5de93e852478,
  abstract     = {Speech variation of speakers is a crucial issue for speaker recognition and identification, especially for forensic practice.<br/><br>
Greater intra-speaker variation is one main reason for incorrect speaker identification in real forensic situations. Understanding<br/><br>
the stability of acoustic parameters and their variation in speech is therefore significant for the evaluation of effective parameters<br/><br>
for speaker identification. In this paper, all vowels in Standard Chinese including five monophthongs, eight diphthongs and four<br/><br>
triphthongs were combined with lateral /l/. Finally, 15 lateral syllables with different tones for 10 speakers were selected and<br/><br>
acoustically analyzed. Central frequencies of the first four formants for each syllable were measured for quantitative comparison<br/><br>
of intra- and inter-speaker variation in order to provide a general idea of speaker variation in Standard Chinese, and finally<br/><br>
serving for forensic application. Results show that the overall intra-speaker variation is less than the inter-speaker variation in<br/><br>
great extent under laboratory condition though occasionally they are contrary. This supports the basis for forensic speaker<br/><br>
identification, that is, intra-speaker variation should be less than inter-speaker variation in many acoustic features, and further<br/><br>
validates the probability and reliability of forensic speaker identification.},
  author       = {Zhang, Cuiling and van de Weijer, Joost and Cui, Jingxu},
  issn         = {1872-6283},
  keyword      = {forensic phonetics,formant patterns},
  language     = {eng},
  number       = {2-3},
  pages        = {117--124},
  publisher    = {Elsevier},
  series       = {Forensic Science International},
  title        = {Intra- and inter-speaker variations of formant pattern for lateral syllables in Standard Chinese},
  url          = {http://dx.doi.org/10.1016/j.forsciint.2005.04.043},
  volume       = {158},
  year         = {2006},
}