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Mixed Watermarking-Fingerprinting Approach for Integrity Verification of Audio Recordings

Title Mixed Watermarking-Fingerprinting Approach for Integrity Verification of Audio Recordings
Publication Type Conference Paper
Year of Publication 2002
Authors Gómez, E. , Cano P. , Gomes L. , Batlle E. , & Bonnet M.
Abstract We introduce a method for audio-integrity verification based on a combination of watermarking and fingerprinting. The fingerprint is a sequence of symbols ("audio descriptor units") that enables one to identify an audio signal. Integrity verification is performed by embedding the fingerprint into the audio signal itself by means of a watermark. The original fingerprint is reconstructed from the watermark and compared with a new fingerprint extracted from the watermarked signal. If they are identical, the signal has not been modified; if not, the system is able to determine the approximate locations where the signal has been corrupted.
preprint/postprint document files/publications/its2002-egomez.pdf