23 #ifndef INCLUDED_ANALOG_AGC2_H
24 #define INCLUDED_ANALOG_AGC2_H
53 agc2_cc(
float attack_rate = 1e-1,
float decay_rate = 1e-2,
54 float reference = 1.0,
55 float gain = 1.0,
float max_gain = 0.0)
56 : _attack_rate(attack_rate), _decay_rate(decay_rate),
57 _reference(reference),
58 _gain(gain), _max_gain(max_gain) {};
63 float gain()
const {
return _gain; }
76 float tmp = -_reference + sqrt(output.real()*output.real() +
77 output.imag()*output.imag());
78 float rate = _decay_rate;
89 if(_max_gain > 0.0 && _gain > _max_gain) {
97 for(
unsigned i = 0; i < n; i++)
98 output[i] = scale (input[i]);
122 agc2_ff(
float attack_rate = 1e-1,
float decay_rate = 1e-2,
123 float reference = 1.0,
124 float gain = 1.0,
float max_gain = 0.0)
125 : _attack_rate(attack_rate), _decay_rate(decay_rate),
126 _reference(reference),
127 _gain(gain), _max_gain(max_gain) {};
132 float gain()
const {
return _gain; }
143 float output = input * _gain;
145 float tmp = (fabsf(output)) - _reference;
146 float rate = _decay_rate;
147 if(fabsf(tmp) > _gain) {
156 if(_max_gain > 0.0 && _gain > _max_gain) {
162 void scaleN(
float output[],
const float input[],
unsigned n)
164 for(
unsigned i = 0; i < n; i++)
165 output[i] = scale (input[i]);