TY - GEN
T1 - Forensic speaker recognition in Chinese
T2 - A multivariate likelihood ratio discrimination on /i/ and /y/
AU - Zhang, Cuiling
AU - Morrison, Geoffrey Stewart
AU - Rose, Philip
PY - 2008
Y1 - 2008
N2 - A likelihood-ratio-based forensic speaker discrimination was conducted using the mean formant frequencies of Standard Chinese /i/ and /y/ tokens produced by 64 male speakers. The speech data were relatively forensically realistic in that they were relatively extemporaneous, were recorded over the telephone, and were from three non-contemporaneous recording sessions. A multivariate-kernel-density formula was used to calculate cross-validated likelihood ratios comparing all possible same-speaker and different-speaker combinations across sessions. Results were comparable with those previously obtained with laboratory speech in other languages. In general, greater strength of evidence was obtained for recording sessions separated by one week than for recording sessions separated by one month.
AB - A likelihood-ratio-based forensic speaker discrimination was conducted using the mean formant frequencies of Standard Chinese /i/ and /y/ tokens produced by 64 male speakers. The speech data were relatively forensically realistic in that they were relatively extemporaneous, were recorded over the telephone, and were from three non-contemporaneous recording sessions. A multivariate-kernel-density formula was used to calculate cross-validated likelihood ratios comparing all possible same-speaker and different-speaker combinations across sessions. Results were comparable with those previously obtained with laboratory speech in other languages. In general, greater strength of evidence was obtained for recording sessions separated by one week than for recording sessions separated by one month.
KW - Chinese
KW - Forensic speaker recognition
KW - Likelihood ratio
UR - http://www.scopus.com/inward/record.url?scp=84867197702&partnerID=8YFLogxK
UR - https://www.isca-speech.org/archive/interspeech_2008/i08_1937.html
M3 - Conference publication
AN - SCOPUS:84867197702
T3 - Proceedings of Interspeech
SP - 1937
EP - 1940
BT - Proceedings of the Annual Conference of the International Speech Communication Association
ER -