Forensic Linguistics Assignment Essay -- Forensic Science

Speech outline has a type called the component part stress abridgment that detects stress in the wee-wee of micro tremors in the speech of a person. It is important to note that the voice stress analysis is equivalent to polygraph. Both polygraph and stress have a common puzzle of not being able to point aside deception. This notwithstanding, the speech analysis is apparently being used by twain the Federal Bureau of Investigations and the Central Intelligence Agency of the United States. The item that each and every person possesses a unique voiceprint makes the identification of a utterer to be theoretically possible. This slew be achieved through acoustic analysis of the intonation counters, pitch and vowel length. When the pairs of the spectrographs that show the suspect speaker and the known speaker uttering similar words are matched, the speaker can be easily identified (Olsson 2004, p. 71). The fact that voice stress analysis relies on eye comparison is a big proble m. Another problem involves the variation that occurs in the same speaker. It is reported that the uttering of the same sentence a hundred times in quick succession does not build any two identical uttering. Some countries like the United Kingdom, however, privilege auditive analysis as opposed to the acoustic method. In auditory analysis, the speech samples are phonetically transcribed. This analysis is important as it allows the analysts to point such features that are idiosyncratic like the speech impediments and the unusual actualisation of phonemes. Besides, the analysts might find the need to profile the social and regional individuality of the speaker. Speech analysis nowadays accepts the mixed method as the to the highest degree accurate and reliable. It can found its application in situat... ... and textual analysis (Gibbons 2003, p. 26).Works CitedCoulthard, M, & Johnson, A 2007, an first appearance to forensic linguistics language in order, Routledge, New York.G ibbons, J 2003, forensic linguistics an introduction to language in the justice system, Blackwell Pub, Malden.Gibbons, J, & Turell, TM 2008, Dimensions of forensic linguistics, John Benjamins Publishing Company, Amsterdam.Jordan, SN 2002, Forensic linguistics the linguistic analyst and expert witness of language evidence in criminal trials, Biola University, La Mirada.McMenamin, GR, & Choi, D 2002 Forensic linguistics advances in forensic stylistics, Crc Press, Boca Raton.Olsson, J 2008, Forensic linguistics, Continuum, London.Olsson, J 2004, Forensic linguistics an introduction to language, crime, and the law, Continuum International Publishing Group, London .