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cs.CL2023
Duplex Diffusion Models Improve Speech-to-Speech Translation
Xianchao Wu
Speech-to-speech translation is a typical sequence-to-sequence learning task that naturally has two directions. How to effectively leverage bidirectional supervision signals to pro…
cs.CL2023
Enhancing Unsupervised Speech Recognition with Diffusion GANs
Xianchao Wu
We enhance the vanilla adversarial training method for unsupervised Automatic Speech Recognition (ASR) by a diffusion-GAN. Our model (1) injects instance noises of various intensit…