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Conference Paper

A Study of the Accuracy and Precision of Quadratic Frequency Interpolation for ENF Estimation

Authors: Yuming Liu, Jidong Chai, Bradley Greene, Richard Conners, Yilu Liu

AES Conference: 46th International Conference: Audio Forensics · Paper 3-4 · June 2012

Abstract

Estimation of ENF (Electric Network Frequency) from digital audio recording is required in order to use the ENF as a criterion for audio authentication. Typically, to obtain an accurate frequency estimate ENF is first coarsely calculated using the Discret

Details

Published in
AES Conference: 46th International Conference: Audio Forensics
Paper number
3-4
Publication date
June 6, 2012
Session subject
ENF Analysis
Affiliation
University of Tennessee, Knoxville, TN, USA; Virginia Polytechnic Institute and State University, Blacksburg, VA, USA (See document for exact affiliation information.)
Type
Conference Paper