Author

Xiutian Zhao

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Preprint Aug 2026

Emotion Across Speech and Faces: Shared Affective Mechanisms in Multimodal Foundation Models

Modern multimodal foundation models (MFMs) have made rapid progress on tasks requiring integrated perception across speech, vision, and language, including emotion recognition. However, it remains unclear whether they recognize speech and facial emotion through shared affective functional units or modality-specific pat...

Xiutian Zhao, Lu Sun, Björn W. Schuller et al. · 0 citations

Preprint Aug 2026

AffectDF: The Most Comprehensive Benchmark for Speech Deepfake Detection against Emotionally Expressive Attacks

This work introduces AffectDF, the most comprehensive benchmark for emotionally expressive speech deepfakes, spanning TTS, VC, emotional VC, and LALM-based spoofing attacks across both acted and spontaneous emotional speech.

Aurosweta Mahapatra, Xiutian Zhao, Shreeram Suresh Chandra et al. · 1 citation

Preprint Aug 2026

Multilingual Emotion Neurons in Large Audio-Language Models

These findings provide the first causal, neuron-level account of how LALMs encode emotion across languages, and establish multilingual neuron identification as an effective mechanism for understanding cross-lingual affective behavior.

Xiutian Zhao, Philipp Koehn, Björn W. Schuller et al. · 1 citation