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/external/speex/libspeex/

preprocess.c

573 float target_gain; local 595 target_gain = AMP_SCALE*st->agc_level*pow(st->loudness/(1e-4+st->loudness_accum), -1.0f/LOUDNESS_EXP); 597 if ((Pframe>.5 && st->nb_adapt > 20) || target_gain < st->agc_gain) 599 if (target_gain > st->max_increase_step*st->agc_gain) 600 target_gain = st->max_increase_step*st->agc_gain; 601 if (target_gain < st->max_decrease_step*st->agc_gain && loudness < 10*st->prev_loudness) 602 target_gain = st->max_decrease_step*st->agc_gain; 603 if (target_gain > st->max_gain) 604 target_gain = st->max_gain; 605 if (target_gain > st->init_max     [all...]

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