|By Katharine Hadow||
|July 30, 2010 10:42 AM EDT||
With digital media, voices can be altered. An article in the July 24 Economist ("We've Got Rhythm") reports that new techniques to identify the speaker involve identifying vocal modulation.
How long a speaker holds consonants versus vowels remains constant whether the voice is disguised or not. By analyzing vocal patterns, forensic phoneticists can use software to identify individual voices.
Once again, read the article before July 24, 2011, after which time it is only available to print subscribers.
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