1# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14# ==============================================================================
15"""Signal processing operations.
16
17See the [tf.signal](https://tensorflow.org/api_guides/python/contrib.signal)
18guide.
19
20@@frame
21@@hamming_window
22@@hann_window
23@@inverse_stft
24@@inverse_stft_window_fn
25@@mfccs_from_log_mel_spectrograms
26@@linear_to_mel_weight_matrix
27@@overlap_and_add
28@@stft
29
30[hamming]: https://en.wikipedia.org/wiki/Window_function#Hamming_window
31[hann]: https://en.wikipedia.org/wiki/Window_function#Hann_window
32[mel]: https://en.wikipedia.org/wiki/Mel_scale
33[mfcc]: https://en.wikipedia.org/wiki/Mel-frequency_cepstrum
34[stft]: https://en.wikipedia.org/wiki/Short-time_Fourier_transform
35"""
36
37from __future__ import absolute_import
38from __future__ import division
39from __future__ import print_function
40
41# pylint: disable=unused-import
42from tensorflow.python.ops.signal.dct_ops import dct
43from tensorflow.python.ops.signal.dct_ops import idct
44from tensorflow.python.ops.signal.fft_ops import fft
45from tensorflow.python.ops.signal.fft_ops import fft2d
46from tensorflow.python.ops.signal.fft_ops import fft3d
47from tensorflow.python.ops.signal.fft_ops import ifft
48from tensorflow.python.ops.signal.fft_ops import ifft2d
49from tensorflow.python.ops.signal.fft_ops import ifft3d
50from tensorflow.python.ops.signal.fft_ops import irfft
51from tensorflow.python.ops.signal.fft_ops import irfft2d
52from tensorflow.python.ops.signal.fft_ops import irfft3d
53from tensorflow.python.ops.signal.fft_ops import rfft
54from tensorflow.python.ops.signal.fft_ops import rfft2d
55from tensorflow.python.ops.signal.fft_ops import rfft3d
56from tensorflow.python.ops.signal.mel_ops import linear_to_mel_weight_matrix
57from tensorflow.python.ops.signal.mfcc_ops import mfccs_from_log_mel_spectrograms
58from tensorflow.python.ops.signal.reconstruction_ops import overlap_and_add
59from tensorflow.python.ops.signal.shape_ops import frame
60from tensorflow.python.ops.signal.spectral_ops import inverse_stft
61from tensorflow.python.ops.signal.spectral_ops import inverse_stft_window_fn
62from tensorflow.python.ops.signal.spectral_ops import stft
63from tensorflow.python.ops.signal.window_ops import hamming_window
64from tensorflow.python.ops.signal.window_ops import hann_window
65# pylint: enable=unused-import
66