2016
DOI: 10.3906/elk-1312-193
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Identifying acquisition devices from recorded speech signals using wavelet-based features

Abstract: Speech characteristics have played a critical role in media forensics, particularly in the investigation of evidence. This study proposes two wavelet-based feature extraction methods for the identification of acquisition devices from recorded speech. These methods are discrete wavelet-based coefficients (DWBCs) and wavelet packet-based coefficients, which are mainly based on a multiresolution analysis. These features' ability to capture characteristics of acquisition devices is compared to conventional mel fre… Show more

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Cited by 8 publications
(1 citation statement)
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References 24 publications
(32 reference statements)
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“…The method in [23] uses deep-representation learning to extract features from the speech recordings and then applies spectral clustering to group the users into clusters based on those features. O. Eskidere [24] uses wavelet-based features to extract characteristics of the speech signal and then uses a machine-learning algorithm to classify the signal based on these features. In [25], a model for verifying a person s identity using speech recordings taken from their cell phone is presented.…”
Section: Related Workmentioning
confidence: 99%
“…The method in [23] uses deep-representation learning to extract features from the speech recordings and then applies spectral clustering to group the users into clusters based on those features. O. Eskidere [24] uses wavelet-based features to extract characteristics of the speech signal and then uses a machine-learning algorithm to classify the signal based on these features. In [25], a model for verifying a person s identity using speech recordings taken from their cell phone is presented.…”
Section: Related Workmentioning
confidence: 99%