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Automatic speaker verification (ASV) Is the speaker who he/she claims to be?

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Spoofing and countermeasures

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Spoofing and countermeasures

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Fullband countermeasure

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Fullband countermeasures: baselines

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Proposed methodology

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Proposed methodology

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Fullband baseline results [1] B. Chettri et. al. Ensemble Models for Spoofing Detection in Automatic Speaker Verification. Proc. Interspeech 2019. [2] H. Delgado et. al. ASVspoof 2017 Version 2.0: meta-data analysis and baseline enhancements. Speaker Odyssey 2018. [3] M. Todisco et. al. ASVspoof 2019: Future Horizons in Spoofed and Fake Audio Detection. Proc. Interspeech 2019.

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4 kHz subband CNN results

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4 kHz subband CNN results

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2 kHz subband CNN results

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2 kHz subband CNN results

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1 kHz subband CNN results

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Summary and conclusions