Forensic Speaker Identification

TRAMA

Forensic Speaker Identification explains what FSI involves, and clarifies the problems of inferring identity from speech under the less than ideal conditions typical in forensics. The text discusses the complexities of voice sample comparison, the probabilistic nature of the technique, the difficulties introduced by differential variation within and between voices, and the expertise required in linguistics and acoustics. Written for forensic scientists, the legal profession and law enforcement officers, this book is also accessible to those with no previous knowledge of FSI and can be used as a base for teaching tertiary level courses in aspects of phonetics.

NOTE EDITORE

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)

SOMMARIO

Introduction. Why Voices are Difficult to Discriminate Forensically. Forensic Phonetic Parameters. Expressing the Outcome. Characterizing Forensic Speaker Identification. The Human Vocal Tract and the Production and Description of Speech Sounds. Phonemics. Speech Acoustics. Speech Perception. What is a Voice? The Likelihood Ratio Revisited: A Demonstration of the Method. Summary and Envoi.

ALTRE INFORMAZIONI

• Condizione: Nuovo
• ISBN: 9780415271820
• Collana: International Forensic Science and Investigation
• Dimensioni: 10 x 7 in Ø 2.00 lb
• Formato: Copertina rigida
• Illustration Notes: 23 tables
• Pagine Arabe: 380