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cs.SD2026
From Text Metrics to Model Internals: A Study of Whisper ASR Hallucination Detection
Jan Jasiński, Mateusz Barański, Julitta Bartolewska +2
Hallucinations of ASR models - fluent transcriptions with no basis in audio - degrade system performance and pose risks in downstream applications. Robust detection of such errors…
cs.SD2026
HALAS: A Human-Annotated Dataset of Hallucinations of Modern ASR Systems
Mateusz Barański, Jan Jasiński, Julitta Bartolewska +2
End-to-end Automatic Speech Recognition (ASR) systems hallucinate on natural speech, yet existing mitigation methods are typically evaluated on non-speech or artificially corrupted…