arxivcs.SDcs.LG2026-07-01
A Geometric Perspective on Composable Emotion Steering in Text-to-Speech Models
Siyi Wang, James Bailey, Ting Dang
While prior work has explored emotion control in hybrid text-to-speech systems, the geometric properties of these modules, and their implications for steerability, remain poorly understood. We present the first comparative study of speech language model (SLM) and conditional flow…