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Fast and efficient speech enhancement with variational autoencoders. (arXiv:2211.02728v1 [cs.SD])
Nov. 8, 2022, 2:11 a.m. | Mostafa Sadeghi (MULTISPEECH), Romain Serizel (MULTISPEECH)
cs.LG updates on arXiv.org arxiv.org
Unsupervised speech enhancement based on variational autoencoders has shown
promising performance compared with the commonly used supervised methods. This
approach involves the use of a pre-trained deep speech prior along with a
parametric noise model, where the noise parameters are learned from the noisy
speech signal with an expectationmaximization (EM)-based method. The E-step
involves an intractable latent posterior distribution. Existing algorithms to
solve this step are either based on computationally heavy Monte Carlo Markov
Chain sampling methods and variational inference, …
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