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IEICE TRANSACTIONS on Fundamentals

Discrimination Method of Synthetic Speech Using Pitch Frequency against Synthetic Speech Falsification

Akio OGIHARA, Hitoshi UNNO, Akira SHIOZAKI

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Summary :

We propose discrimination method of synthetic speech using pitch pattern of speech signal. By applying the proposed synthetic speech discrimination system as pre-process before the conventional HMM speaker verification system, we can improve the safety of conventional speaker verification system against imposture using synthetic speech. The proposed method distinguishes between synthetic speech and natural speech according to the pitch pattern which is distribution of value of normalized short-range autocorrelation function. We performed the experiment of user verification, and confirmed the validity of the proposed method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.1 pp.280-286
Publication Date
2005/01/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.1.280
Type of Manuscript
Special Section PAPER (Special Section on Cryptography and Information Security)
Category
Biometrics

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