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Tampered Speaker Inconsistency Detection with Phonetically Aware Audio-visual Features
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In: http://infoscience.epfl.ch/record/270130 (2019)
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The SRI NIST 2010 Speaker Recognition Evaluation System (PREPRINT)
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In: DTIC (2011)
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Combining Prosodic, Lexical and Cepstral Systems for Deceptive Speech Detection
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Combining Prosodic, Lexical and Cepstral Systems for Deceptive Speech Detection ...
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Abstract:
We report on machine learning experiments to distinguish deceptive from non-deceptive speech in the Columbia-SRI-Colorado (CSC) corpus. Specifically, we propose a system combination approach using different models and features for deception detection. Scores from an SVM system based on prosodic/lexical features are combined with scores from a Gaussian mixture model system based on acoustic features, resulting in improved accuracy over the individual systems. Finally, we compare results from the prosodic-only SVM system using features derived either from recognized words or from human transcriptions. ...
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Keyword:
Computer science; Information technology
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URL: https://academiccommons.columbia.edu/doi/10.7916/D8N305DD https://dx.doi.org/10.7916/d8n305dd
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