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Searched
refs:window_length
(Results
1 - 5
of
5
) sorted by null
/external/tensorflow/tensorflow/contrib/signal/python/ops/
window_ops.py
32
def hann_window(
window_length
, periodic=True, dtype=dtypes.float32, name=None):
36
window_length
: A scalar `Tensor` indicating the window length to generate.
45
A `Tensor` of shape `[
window_length
]` of type `dtype`.
52
return _raised_cosine_window(name, 'hann_window',
window_length
, periodic,
56
def hamming_window(
window_length
, periodic=True, dtype=dtypes.float32,
61
window_length
: A scalar `Tensor` indicating the window length to generate.
70
A `Tensor` of shape `[
window_length
]` of type `dtype`.
77
return _raised_cosine_window(name, 'hamming_window',
window_length
, periodic,
81
def _raised_cosine_window(name, default_name,
window_length
, periodic,
88
window_length
: A scalar `Tensor` or integer indicating the window length
[
all
...]
/external/tensorflow/tensorflow/contrib/signal/python/kernel_tests/
spectral_ops_test.py
49
def _np_frame(data,
window_length
, hop_length):
50
num_frames = 1 + int(np.floor((len(data) -
window_length
) // hop_length))
51
shape = (num_frames,
window_length
)
56
def _np_stft(data, fft_length, hop_length,
window_length
):
57
frames = SpectralOpsTest._np_frame(data,
window_length
, hop_length)
58
window = SpectralOpsTest._np_hann_periodic_window(
window_length
)
62
def _np_inverse_stft(stft, fft_length, hop_length,
window_length
):
64
# Pad or truncate frames's inner dimension to
window_length
.
65
frames = frames[..., :
window_length
]
67
[[0, max(0,
window_length
- frames.shape[-1])]], "constant"
[
all
...]
window_ops_test.py
68
for
window_length
in self._window_lengths:
72
expected = np_window_fn(
window_length
,
74
actual = tf_window_fn(
window_length
, periodic=periodic,
/external/tensorflow/tensorflow/core/kernels/
spectrogram.cc
29
void GetPeriodicHann(int
window_length
, std::vector<double>* window) {
32
window->resize(
window_length
);
33
for (int i = 0; i <
window_length
; ++i) {
34
(*window)[i] = 0.5 - 0.5 * cos((2 * pi * i) /
window_length
);
39
bool Spectrogram::Initialize(int
window_length
, int step_length) {
41
GetPeriodicHann(
window_length
, &window);
spectrogram.h
52
// are possible.
window_length
must be greater than 1 and step
54
bool Initialize(int
window_length
, int step_length);
Completed in 83 milliseconds