Author

Qiongqiong Wang

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Preprint Oct 2026

Measuring Local Acoustic Contribution in Speech LLMs via Word-Span Counterfactual Interventions

Correct transcription does not establish that a word depended on its local audio. We introduce the Acoustic Evidence Contribution (AEC), a word-level counterfactual measure of acoustic grounding. It is obtained from the change in reference-token log likelihood when the word's aligned acoustic span is replaced. We combi...

H. Sailor, Qiong-Qiong Wang, D. Rastogi et al. · 0 citations

Preprint Aug 2026

MERaLiON-GR: Speech Gender Recognition Model for English and SEA Languages

Extensive evaluations show that MERaLiON-GR consistently surpasses the state-of-the-art gender recognition model Vox-Profile and a large Audio-LLM, in both full-utterance and segment level evaluation modes.

Qiongqiong Wang, A. Aw, Nancy F. Chen et al. · 0 citations