AUDETER: A Large-scale Dataset for Deepfake Audio Detection in Open Worlds

• URL: http://arxiv.org/abs/2509.04345v1
• Date: Thu, 04 Sep 2025 16:03:44 GMT
• Title: AUDETER: A Large-scale Dataset for Deepfake Audio Detection in Open Worlds
• Authors: Qizhou Wang, Hanxun Huang, Guansong Pang, Sarah Erfani, Christopher Leckie,
• Abstract summary: AUDETER is a large-scale, highly diverse deepfake audio dataset.<n>It consists of over 4,500 hours of synthetic audio generated by 11 recent TTS models and 10 vocoders with a broad range of TTS/vocoder patterns.<n>It is the largest deepfake audio dataset by scale.
• Score: 38.75029700407531
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Speech generation systems can produce remarkably realistic vocalisations that are often indistinguishable from human speech, posing significant authenticity challenges. Although numerous deepfake detection methods have been developed, their effectiveness in real-world environments remains unrealiable due to the domain shift between training and test samples arising from diverse human speech and fast evolving speech synthesis systems. This is not adequately addressed by current datasets, which lack real-world application challenges with diverse and up-to-date audios in both real and deep-fake categories. To fill this gap, we introduce AUDETER (AUdio DEepfake TEst Range), a large-scale, highly diverse deepfake audio dataset for comprehensive evaluation and robust development of generalised models for deepfake audio detection. It consists of over 4,500 hours of synthetic audio generated by 11 recent TTS models and 10 vocoders with a broad range of TTS/vocoder patterns, totalling 3 million audio clips, making it the largest deepfake audio dataset by scale. Through extensive experiments with AUDETER, we reveal that i) state-of-the-art (SOTA) methods trained on existing datasets struggle to generalise to novel deepfake audio samples and suffer from high false positive rates on unseen human voice, underscoring the need for a comprehensive dataset; and ii) these methods trained on AUDETER achieve highly generalised detection performance and significantly reduce detection error rate by 44.1% to 51.6%, achieving an error rate of only 4.17% on diverse cross-domain samples in the popular In-the-Wild dataset, paving the way for training generalist deepfake audio detectors. AUDETER is available on GitHub.

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