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Comparative Reasoning: Making an Audio Language Model Better at Comparing Emotions

2026-06-23 02:55:36
Abinay Reddy Naini, Jaeyeon Kim, Chao-Han Huck Yang, Shinji Watanabe, Carlos Busso
arXiv_SD
               
Abstract

Large audio-language models (LALMs) can reason about audio, yet it remains unclear whether they can perform comparative judgments between two speech signals along emotional, environmental, linguistic, prosodic, and interpersonal dimensions. We study this question in the context of speech emotion recognition (SER), where the model determines which utterance exhibits higher arousal, valence, or dominance. We introduce a reasoning-guided ordinal SER framework that conditions an LALM on paired speech inputs. The model is trained using reasoning traces generated from both semantic audio descriptions and acoustic evidence derived from GeMAPS features, enabling interpretable comparative decisions. Beyond direct supervision, we also employ direct preference optimization to encourage stronger separation for emotional differences. Experiments show that the proposed framework improves preference prediction while requiring only 5% of the training data used by conventional ordinal SER systems.

Abstract (translated)

URL

https://arxiv.org/abs/2606.24082

PDF

https://arxiv.org/pdf/2606.24082.pdf

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