Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/27467
Title: 'Enhancing' forensic audio: what if all that really gets enhanced is the credibility of a misleading transcript?
Contributor(s): Fraser, Helen  (author)orcid 
Publication Date: 2020
Early Online Version: 2019-03-07
DOI: 10.1080/00450618.2018.1561948
Handle Link: https://hdl.handle.net/1959.11/27467
Abstract: Many jurisdictions around the world allow an 'enhanced' version of indistinct audio to be admitted, along with a transcript, to assist the trier of fact in understanding the content of forensic recordings. Typically, ultimate evaluation of the effect of the 'enhancing' relies simply on the jury or other listeners' impression as to whether the audio sounds 'clearer' than the original. A recent article reported results of two experiments showing that listeners' subjective impressions give a surprisingly unreliable indication of the objective effects of 'enhancing'. The current article reports a new experiment that adds weight and detail to previous demonstrations that enhancing can make audio 'sound clearer' without making it more reliably intelligible. It further demonstrates how 'enhancing' can interact with priming to make phrases suggested by a transcript seem more plausible than they do in the original, even when the suggestion is unreliable and misleading. It is recommended that courts should insist on far better regulation of the use of 'enhanced' audio.
Publication Type: Journal Article
Source of Publication: Australian Journal of Forensic Sciences, 52(4), p. 465-476
Publisher: Taylor & Francis
Place of Publication: United Kingdom
ISSN: 1834-562X
0045-0618
Fields of Research (FoR) 2008: 180110 Criminal Law and Procedure
160205 Police Administration, Procedures and Practice
170204 Linguistic Processes (incl. Speech Production and Comprehension)
Fields of Research (FoR) 2020: 440211 Police administration, procedures and practice
480503 Criminal procedure
520405 Psycholinguistics (incl. speech production and comprehension)
Socio-Economic Objective (SEO) 2008: 940403 Criminal Justice
970117 Expanding Knowledge in Psychology and Cognitive Sciences
Socio-Economic Objective (SEO) 2020: 230403 Criminal justice
280121 Expanding knowledge in psychology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Humanities, Arts and Social Sciences

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