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Searched
refs:Correlation
(Results
1 - 2
of
2
) sorted by null
/external/chromium_org/third_party/webrtc/modules/audio_coding/neteq/
expand.h
154
// Calculate the auto-
correlation
of |input|, with length |input_length|
155
// samples. The
correlation
is calculated from a downsampled version of
157
// |output_scale|. Returns the length of the
correlation
vector.
158
int16_t
Correlation
(const int16_t* input, size_t input_length,
expand.cc
340
// Calculate
correlation
in downsampled domain (4 kHz sample rate).
344
// initialized to the return value of
Correlation
().
345
Correlation
(audio_history, signal_length, correlation_vector,
348
// Find peaks in
correlation
vector.
353
// Adjust peak locations; cross-
correlation
lags start at 2.5 ms
385
ratio = 0; // No
correlation
set result to zero.
399
// Calculate the exact best
correlation
in the range between
421
// Calculate the
correlation
, store in |correlation_vector2|.
444
// Calculate the
correlation
coefficient between the two portions of the
546
// Calculate scale value needed for auto-
correlation
760
int32_t
correlation
[kNumCorrelationLags];
local
[
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