23 #ifndef INCLUDED_ANALOG_AGC2_H
24 #define INCLUDED_ANALOG_AGC2_H
42 agc2_cc(
float attack_rate = 1e-1,
float decay_rate = 1e-2,
43 float reference = 1.0,
44 float gain = 1.0,
float max_gain = 0.0)
45 : _attack_rate(attack_rate), _decay_rate(decay_rate),
46 _reference(reference),
47 _gain(gain), _max_gain(max_gain) {};
52 float gain()
const {
return _gain; }
65 float tmp = -_reference + sqrt(output.real()*output.real() +
66 output.imag()*output.imag());
67 float rate = _decay_rate;
78 if(_max_gain > 0.0 && _gain > _max_gain) {
86 for(
unsigned i = 0; i < n; i++)
87 output[i] = scale (input[i]);
102 agc2_ff(
float attack_rate = 1e-1,
float decay_rate = 1e-2,
103 float reference = 1.0,
104 float gain = 1.0,
float max_gain = 0.0)
105 : _attack_rate(attack_rate), _decay_rate(decay_rate),
106 _reference(reference),
107 _gain(gain), _max_gain(max_gain) {};
112 float gain()
const {
return _gain; }
121 float scale(
float input)
123 float output = input * _gain;
125 float tmp = (fabsf(output)) - _reference;
126 float rate = _decay_rate;
127 if(fabsf(tmp) > _gain) {
136 if(_max_gain > 0.0 && _gain > _max_gain) {
142 void scaleN(
float output[],
const float input[],
unsigned n)
144 for(
unsigned i = 0; i < n; i++)
145 output[i] = scale (input[i]);