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What is: WaveGrad UBlock?

SourceWaveGrad: Estimating Gradients for Waveform Generation
Year2000
Data SourceCC BY-SA - https://paperswithcode.com

The WaveGrad UBlock is used for upsampling in WaveGrad. Neural audio generation models often use large receptive field. Dilation factors of four convolutional layers are 1, 2, 1, 2 for the first two UBlocks and 1, 2, 4, 8 for the rest. Orthogonal initialization is used.