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keras_stft_layer's Introduction

keras_STFT_layer

Do STFT & friends in Keras! For less hassle pre-processing

  • STFT
  • melgram
  • CQT

why

Because I am planning to compare the performance of some Convnets while changing parameters of STFT and storing all of them doesn't seem to make sense.

how

from stft import Spectrogram
import keras

len_src = 12000 * 8 # 8-second signal is your input
model = keras.Sequential()
specgram = Spectrogram(n_dft=512, n_hop=128, input_shape=(len_src, 1))
model.add(specgram)
model.add(BatchNormalization(axis=time_axis)) # recommended
model.add(your_awesome_network)
...

More info

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