Speaker verification security improvement by means of speech watermarking

• Published in: Speech communication Vol. 48; no. 12; pp. 1608 - 1619
• Main Authors: Faundez-Zanuy, Marcos, Hagmüller, Martin, Kubin, Gernot
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Amsterdam Elsevier B.V 01.12.2006; Elsevier
• Subjects: Applied sciences; Biometric; Coding, codes; Cryptography; Exact sciences and technology; Image processing; Information, signal and communications theory; Signal and communications theory; Signal processing; Speaker verification; Speech processing; Speech watermarking; Telecommunications and information theory; Biometric; Speech watermarking; Speaker verification; Biometrics; Acoustic signal; Image processing; Error rate; Information rate; Pattern recognition; Speaker recognition; Information transmission; Vocal signal; Coding; Information protection; Standing wave ratio; Database; Safety; Automatic recognition; Speech processing; Digital watermarking

This paper presents a security enhanced speaker verification system based on speech signal watermarking. Our proposed system can detect several situations where a playback speech, a synthetically generated speech, a manipulated speech signal or a hacker trying to imitate the speech is fooling the bi...