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PeriodGrad: Towards Pitch-Controllable Neural Vocoder Based on a Diffusion Probabilistic Model
Feb. 23, 2024, 5:43 a.m. | Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
cs.LG updates on arXiv.org arxiv.org
Abstract: This paper presents a neural vocoder based on a denoising diffusion probabilistic model (DDPM) incorporating explicit periodic signals as auxiliary conditioning signals. Recently, DDPM-based neural vocoders have gained prominence as non-autoregressive models that can generate high-quality waveforms. The neural vocoders based on DDPM have the advantage of training with a simple time-domain loss. In practical applications, such as singing voice synthesis, there is a demand for neural vocoders to generate high-fidelity speech waveforms with flexible …
abstract arxiv autoregressive models cs.lg cs.sd ddpm denoising diffusion eess.as eess.sp generate neural vocoder paper pitch probabilistic model quality type
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