Forensic Speaker Identification
A voice is much more than just a string of words. Voices, unlike fingerprints, are inherently complex. They signal a great deal of information in addition to the intended message: the speakers'sex, for example, or their emotional state, or age. Although evidence from DNA analysis grabs the headlines, DNA can't talk. It can't be recorded planning, carrying-out or confessing to a crime. It can't be so apparently directly incriminating. Perhaps it is these features that contribute to the...
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A voice is much more than just a string of words. Voices, unlike fingerprints, are inherently complex. They signal a great deal of information in addition to the intended message: the speakers' sex, for example, or their emotional state, or age. Although evidence from DNA analysis grabs the headlines, DNA can't talk. It can't be recorded planning, carrying-out or confessing to a crime. It can't be so apparently directly incriminating. Perhaps it is these features that contribute to the interest and importance of Forensic Speaker Identification (FSI)
Acknowledgements1Introduction12Why voices are difficult to discriminate forensically93Forensic-phonetic parameters334Expressing the outcome555Characterising forensic speaker identification816The human vocal tract and the production and description of speech sounds1257Phonemics1758Speech acoustics1959Speech perception26910What is a voice?27711The likelihood ratio revisited: A demonstration of the method30312Summary and envoi327Glossary337References343Index353
