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eess.AS2026
A Comprehensive Study of Content Representations for Speech Synthesis
Diego Torres, Axel Roebel, Nicolas Obin
Speech content representations are central to voice conversion, speech-to-speech translation, and multimodal language models, yet they are rarely compared under a common generative…
cs.SD2026
Understanding Hyperspherical Geometry of ECAPA-TDNN Embedding and Its Impact on Zero-Shot Voice Conversion
Mathilde Abrassart, Nicolas Obin, Axel Roebel
Angular-margin speaker encoders are widely used in voice conversion, yet the geometry of their classifier prototypes remains poorly understood. We analyze ECAPA-TDNN classifier pro…