A unified differentiable STFT lets gradient descent tune the window and hop lengths, improving time-frequency readability and slightly boosting a classifier's accuracy on held-out data.
Differentiable adaptive short-time Fourier transform with respect to the window length,
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Learnable Adaptive Time-Frequency Representation via Differentiable Short-Time Fourier Transform
A unified differentiable STFT lets gradient descent tune the window and hop lengths, improving time-frequency readability and slightly boosting a classifier's accuracy on held-out data.