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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…
cs.SD2025
Continuous Audio Language Models
Simon Rouard, Manu Orsini, Axel Roebel +2
Audio Language Models (ALM) have emerged as the dominant paradigm for speech and music generation by representing audio as sequences of discrete tokens. Yet, unlike text tokens, wh…
cs.SD2025
Fast-VGAN: Lightweight Voice Conversion with Explicit Control of F0 and Duration Parameters
Mathilde Abrassart, Nicolas Obin, Axel Roebel
Precise control over speech characteristics, such as pitch, duration, and speech rate, remains a significant challenge in the field of voice conversion. The ability to manipulate p…