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    Searched refs:linear_threshold (Results 1 - 2 of 2) sorted by null

  /device/google/dragon/audio/hal/dsp/
drc_kernel.h 50 float linear_threshold; member in struct:drc_kernel
drc_kernel.c 51 dk->linear_threshold = uninitialized_value;
107 * dk->linear_threshold and asymptotically approaches the value
108 * dk->linear_threshold + 1 / k.
116 if (x < dk->linear_threshold)
119 return dk->linear_threshold +
120 (1 - knee_expf(-k * (x - dk->linear_threshold))) / k;
129 if (x < dk->linear_threshold)
184 dk->linear_threshold = decibels_to_linear(db_threshold);
194 dk->knee_alpha = dk->linear_threshold + 1 / k;
195 dk->knee_beta = -expf(k * dk->linear_threshold) / k
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