Softmax energy, a modified out-of-distribution score, improves open-set source tracing of audio deepfake systems, achieving a 31% relative FPR95 reduction and best FPR95 of 8.3% with augmentation.
Dataset and Metrics In this work, we adopt the source tracing protocol based on the MLAAD [25] dataset [17] 1
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Open-Set Source Tracing of Audio Deepfake Systems
Softmax energy, a modified out-of-distribution score, improves open-set source tracing of audio deepfake systems, achieving a 31% relative FPR95 reduction and best FPR95 of 8.3% with augmentation.