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Robust Electric Network Frequency Estimation with Rank Reduction and Linear Prediction

Published: 23 October 2018 Publication History

Abstract

This article deals with the problem of Electric Network Frequency (ENF) estimation where Signal to Noise Ratio (SNR) is an essential challenge. By exploiting the low-rank structure of the ENF signal from the audio spectrogram, we propose an approach based on robust principle component analysis to get rid of the interference from speech contents and some of the background noise, which in our case can be regarded as sparse in nature. Weighted linear prediction is enforced on the low-rank signal subspace to gain accurate ENF estimation. The performance of the proposed scheme is analyzed and evaluated as a function of SNR, and the Cramér-Rao Lower Bound (CRLB) is approached at an SNR level above -10 dB. Experiments on real datasets have demonstrated the advantages of the proposed method over state-of-the-art work in terms of estimation accuracy. Specifically, the proposed scheme can effectively capture the ENF fluctuations along the time axis using small numbers of signal observations while preserving sufficient frequency precision.

References

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Cited By

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  • (2024)Leveraging Electric Network Frequency Estimation for Audio AuthenticationIEEE Access10.1109/ACCESS.2024.335405312(9308-9320)Online publication date: 2024
  • (2024)Factors affecting forensic electric network frequency matching – A comprehensive studyDigital Communications and Networks10.1016/j.dcan.2023.01.00910:4(1121-1130)Online publication date: Aug-2024
  • (2023)ENF Based Digital Multimedia Forensics: Survey, Application, Challenges and Future WorkIEEE Access10.1109/ACCESS.2023.331218111(101241-101272)Online publication date: 2023
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    Published In

    cover image ACM Transactions on Multimedia Computing, Communications, and Applications
    ACM Transactions on Multimedia Computing, Communications, and Applications  Volume 14, Issue 4
    Special Section on Deep Learning for Intelligent Multimedia Analytics
    November 2018
    221 pages
    ISSN:1551-6857
    EISSN:1551-6865
    DOI:10.1145/3282485
    Issue’s Table of Contents
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 23 October 2018
    Accepted: 01 July 2018
    Revised: 01 July 2018
    Received: 01 January 2018
    Published in TOMM Volume 14, Issue 4

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    Author Tags

    1. Cramér-Rao lower bound
    2. Electric network frequency
    3. low rank
    4. weighted linear prediction

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    Cited By

    View all
    • (2024)Leveraging Electric Network Frequency Estimation for Audio AuthenticationIEEE Access10.1109/ACCESS.2024.335405312(9308-9320)Online publication date: 2024
    • (2024)Factors affecting forensic electric network frequency matching – A comprehensive studyDigital Communications and Networks10.1016/j.dcan.2023.01.00910:4(1121-1130)Online publication date: Aug-2024
    • (2023)ENF Based Digital Multimedia Forensics: Survey, Application, Challenges and Future WorkIEEE Access10.1109/ACCESS.2023.331218111(101241-101272)Online publication date: 2023
    • (2022)TTV Regularized LRTA Technique for the Estimation of Haze Model Parameters in Video DehazingACM Transactions on Multimedia Computing, Communications, and Applications10.1145/346545418:1(1-22)Online publication date: 27-Jan-2022
    • (2022)Power Signature for Multimedia ForensicsMultimedia Forensics10.1007/978-981-16-7621-5_10(235-280)Online publication date: 2-Apr-2022
    • (2021)An Automated Approach for Electric Network Frequency Estimation in Static and Non-Static Digital Video RecordingsJournal of Imaging10.3390/jimaging71002027:10(202)Online publication date: 2-Oct-2021
    • (2021)Robust ENF Estimation Based on Harmonic Enhancement and Maximum Weight CliqueIEEE Transactions on Information Forensics and Security10.1109/TIFS.2021.309969716(3874-3887)Online publication date: 2021
    • (2021)Blackman–Tukey spectral estimation and electric network frequency matching from power mains and speech recordingsIET Signal Processing10.1049/sil2.1203915:6(396-409)Online publication date: 4-May-2021
    • (2020)Detection of Electric Network Frequency in Audio Recordings–From Theory to Practical DetectorsIEEE Transactions on Information Forensics and Security10.1109/TIFS.2020.300957916(236-248)Online publication date: 30-Jul-2020
    • (2020)ENF Signal Enhancement in Audio RecordingsIEEE Transactions on Information Forensics and Security10.1109/TIFS.2019.295226415(1868-1878)Online publication date: 2020
    • Show More Cited By

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