This paper presents an approach for improved ENF analysis based on harmonic distortion. It discusses the creation of artificial harmonics in order to significantly increase temporal resolution for ENF analysis, which is a key requirement for many editing detection use cases, without sacrificing detection accuracy. The benefits of including this approach into pre-existing tampering analysis methods resulted in an immediate increase of both precision and recall.

Authors: Cuccovillo, Luca; Aichroth, Patrick
Affiliation: Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany
AES Conference: 2017 AES International Conference on Audio Forensics (June 2017)
Paper Number: 1-1
Publication Date: June 6, 2017
Subject: Authentication

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