According to an expert in speech analysis, popular crime shows in TV might be interesting to public, but the shows may be delivering an unrealistic notion of the significance of science in this field.
"Most dramas include this kind of thing [and] there's a great deal of poetic licence in what they do", says Dr. Paul Foulkes, phonetics and linguistics expert of York University.
Foulkes is providing training in the field of forensic speech analysis for the FBI and the United States Secret Service.
According to his speech at the meeting of ARC Network in Human Communication Science, The Forensic Speech Science involves phonetic, acoustic and linguistic examination of recordings that can be useful to try and pin down possible suspects. Moreover, it is also useful to verify how well a voice of the suspect matches a voice of the criminal.
Foulkes says that speech recording cannot be used to identify the voice of someone with sureness on its own.
"There is no such thing as a voice print", Foulkes says. "It's a very dangerous term. There is no single feature of a voice that is indelible that works like a fingerprint does".
According to him, there are several factors that influence how people talk.
Though speech analysis cannot be applied to identify the voice of someone with certainty, it can be used to trim down the number of suspected persons.
"Most dramas include this kind of thing [and] there's a great deal of poetic licence in what they do", says Dr. Paul Foulkes, phonetics and linguistics expert of York University.
Foulkes is providing training in the field of forensic speech analysis for the FBI and the United States Secret Service.
According to his speech at the meeting of ARC Network in Human Communication Science, The Forensic Speech Science involves phonetic, acoustic and linguistic examination of recordings that can be useful to try and pin down possible suspects. Moreover, it is also useful to verify how well a voice of the suspect matches a voice of the criminal.
Foulkes says that speech recording cannot be used to identify the voice of someone with sureness on its own.
"There is no such thing as a voice print", Foulkes says. "It's a very dangerous term. There is no single feature of a voice that is indelible that works like a fingerprint does".
According to him, there are several factors that influence how people talk.
Though speech analysis cannot be applied to identify the voice of someone with certainty, it can be used to trim down the number of suspected persons.
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