@misc{arxiv_2609_13150,
  title = {The Limits of Reference-Free Speech Quality Metrics as Evaluators and Rewards on Modern Text-to-Speech},
  author = {{Antonis Asonitis} and {Juan Pablo Zuluaga Gomez} and {Francesco Verdini} and {Aref Farhadipour} and {Marzieh Razavi} and {Pierre-Edouard Honnet} and {Vijeta Avijeet}},
  eprint = {2609.13150},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.13150}
}