task_categories:text-to-speech task_categories:reinforcement-learning language:zh language:en license:cc-by-nc-4.0 size_categories:10K<n<100K format:parquet modality:audio modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:2511.07931 region:us rlhf human tts dpo rm grm