AIIC AI Intelligence Centre

SOURCE-LINKED INTELLIGENCE

Lost in Speech: Trilingual Spoken Hallucination Detection Across Audio and Transcripts

arXiv · AI, language, vision and robotics · article · Aug 25, 2026 · UTC

While text-based hallucination detection has been extensively studied, spoken hallucination detection remains largely unexplored, particularly for low-resource languages. We present the first multilingual spoken hallucination benchmark comprising 12,013 news samples across English, Russian, and Kazakh with controlled hallucinations of three types and three severity levels. Samples comprise original articles and aligned hallucinated counterparts in text and audio. We complement the synthetic corpus with 290 fact-checked fake news items collected natively in Russian (225) and Kazakh (65), transl

Read original source ↗ Open in workspace

recordType
paper
region
Global

Evidence & attribution

First collected: 2026-09-21T10:02:02.728Z. This is not the publication date.