arXiv AI By Chong Jing, Junan Zhang, Zhizheng Wu

CPR: Combining global composing, local performing and full-sequence refining in piano rendering with continuous autoregressive modelling

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The paper introduces CPR, a piano rendering framework that combines continuous autoregressive modeling with local flow matching and full‑sequence refinement. It predicts continuous hidden states, generates 24 kHz acoustic latents, and upsamples to 48 kHz, while new techniques BREPA and MT‑RoPE enhance musical semantics and cross‑modal alignment.

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