Journal
INTERNATIONAL JOURNAL OF SPEECH LANGUAGE AND THE LAW
Volume 17, Issue 1, Pages 119-142Publisher
EQUINOX PUBLISHING LTD
DOI: 10.1558/ijsll.v17i1.119
Keywords
IMITATION; VOICE CONVERSION; PROSODY; JITTER; SHIMMER; SPEAKER RECOGNITION
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Voices can be deliberately disguised by means of human imitation or voice conversion. The question arises to what extent they can be modified by using either method. In the current paper, a set of speaker identification experiments are conducted; first, analysing some prosodic features extracted from voices of professional impersonators attempting to mimic a target voice and, second, using both intragender and crossgender converted voices in a spectral-based speaker recognition system. The results obtained in the current experiments show that the identification error rate increases when testing with imitated voices, as well as when using converted voices, especially the crossgender conversions.
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