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0111 · Jan 201919922001200920172026
3 results for iSTFT

Supervised learning based on a deep neural network recently has achieved substantial improvement on speech enhancement. Denoising networks learn mapping from noisy speech to clean one directly, or to a spectrum mask which is the ratio between clean and noisy spectra. In either case, the network is optimized by minimizi…

2019-01-26abs ↗pdf ↗

iSTFTNet speeds up mel-spectrogram vocoders without sacrificing quality.

problem Efficiently converting mel-spectrograms to speech with minimal computation.
method Replaces convolutional layers with iSTFT after frequency dimension reduction.
result Significant reduction in computational cost with comparable quality.