Every Breath You Don't Take: Deepfake Speech Detection Using Breath

• URL: http://arxiv.org/abs/2404.15143v2
• Date: Fri, 26 Apr 2024 21:14:24 GMT
• Title: Every Breath You Don't Take: Deepfake Speech Detection Using Breath
• Authors: Seth Layton, Thiago De Andrade, Daniel Olszewski, Kevin Warren, Kevin Butler, Patrick Traynor,
• Abstract summary: Deepfake speech represents a real and growing threat to systems and society. Many detectors have been created to aid in defense against speech deepfakes. We hypothesize that breath, a higher-level part of speech, is a key component of natural speech and thus improper generation in deepfake speech is a performant discriminator.
• Score: 6.858439600092057
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Deepfake speech represents a real and growing threat to systems and society. Many detectors have been created to aid in defense against speech deepfakes. While these detectors implement myriad methodologies, many rely on low-level fragments of the speech generation process. We hypothesize that breath, a higher-level part of speech, is a key component of natural speech and thus improper generation in deepfake speech is a performant discriminator. To evaluate this, we create a breath detector and leverage this against a custom dataset of online news article audio to discriminate between real/deepfake speech. Additionally, we make this custom dataset publicly available to facilitate comparison for future work. Applying our simple breath detector as a deepfake speech discriminator on in-the-wild samples allows for accurate classification (perfect 1.0 AUPRC and 0.0 EER on test data) across 33.6 hours of audio. We compare our model with the state-of-the-art SSL-wav2vec model and show that this complex deep learning model completely fails to classify the same in-the-wild samples (0.72 AUPRC and 0.99 EER).

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