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  /external/tensorflow/tensorflow/contrib/signal/python/kernel_tests/
spectral_ops_test.py 62 def _np_inverse_stft(stft, fft_length, hop_length, window_length):
63 frames = np.fft.irfft(stft, fft_length)
72 def _np_overlap_add(stft, hop_length):
73 num_frames, window_length = np.shape(stft)
79 output[i * hop_length:i * hop_length + window_length] += stft[i,]
85 actual_stft = spectral_ops.stft(
88 actual_stft_from_ph = spectral_ops.stft(
125 stft = spectral_ops.stft(signal, frame_length=7, frame_step=8,
127 self.assertAllEqual([64, 5], stft.shape.as_list()
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  /external/tensorflow/tensorflow/contrib/signal/
__init__.py 27 @@stft
33 [stft]: https://en.wikipedia.org/wiki/Short-time_Fourier_transform
49 from tensorflow.contrib.signal.python.ops.spectral_ops import stft
  /external/tensorflow/tensorflow/compiler/tests/
fft_test.py 91 expected = sps.stft(
99 out = signal.stft(ph, ws, hs)
  /external/tensorflow/tensorflow/contrib/signal/python/ops/
spectral_ops.py 36 def stft(signals, frame_length, frame_step, fft_length=None, function
39 """Computes the [Short-time Fourier Transform][stft] of `signals`.
57 A `[..., frames, fft_unique_bins]` `Tensor` of `complex64` STFT values where
65 [stft]: https://en.wikipedia.org/wiki/Short-time_Fourier_transform
67 with ops.name_scope(name, 'stft', [signals, frame_length,
108 forward_window_fn: window_fn used in the forward transform, `stft`.
126 dtype: Data type of waveform passed to `stft`.
162 """Computes the inverse [Short-time Fourier Transform][stft] of `stfts`.
174 stft = tf.contrib.signal.stft(waveform, frame_length, frame_step
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