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http://dx.doi.org/10.9717/kmms.2015.18.3.323

Microphone Type Classification for Digital Audio Forgery Detection  

Seok, Jongwon (Dept. of Information & Communication, Changwon National University)
Publication Information
Journal of Korea Multimedia Society / v.18, no.3, 2015 , pp. 323-329 More about this Journal
Abstract
In this paper we applied pattern recognition approach to detect audio forgery. Classification of the microphone types and models can help determining the authenticity of the recordings. Canonical correlation analysis was applied to extract feature for microphone classification. We utilized the linear dependence between two near-silence regions. To utilize the advantage of multi-feature based canonical correlation analysis, we selected three commonly used features to capture the temporal and spectral characteristics. Using three different microphones, we tested the usefulness of multi-feature based characteristics of canonical correlation analysis and compared the results with single feature based method. The performance of classification rate was carried out using the backpropagation neural network. Experimental results show the promise of canonical correlation features for microphone classification.
Keywords
Microphone Type; Classification; Audio Forgery; Canonical Correlation Analysis;
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