Papers › Sequence-to-sequence Singing Voice Synthesis with Perceptual Entropy Loss
Sequence-to-sequence Singing Voice Synthesis with Perceptual Entropy Loss
Jiatong Shi, Shuai Guo, Nan Huo, Yuekai Zhang, Qin Jin
The neural network (NN) based singing voice synthesis (SVS) systems require sufficient data to train well and are prone to over-fitting due to data scarcity. However, we often encounter data limitation problem in building SVS systems because of high data acquisition and annotation costs. In this work, we propose a Perceptual Entropy (PE) loss derived from a psycho-acoustic hearing model to regularize the network. With a one-hour open-source singing voice database, we explore the impact of the PE loss on various mainstream sequence-to-sequence models, including the RNN-based, transformer-based, and conformer-based models. Our experiments show that the PE loss can mitigate the over-fitting problem and significantly improve the synthesized singing quality reflected in objective and subjective evaluations.
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