alexbrandmeyer@609: //
alexbrandmeyer@609: //  agc_params.cc
alexbrandmeyer@609: //  CARFAC Open Source C++ Library
alexbrandmeyer@609: //
alexbrandmeyer@609: //  Created by Alex Brandmeyer on 5/10/13.
alexbrandmeyer@609: //
alexbrandmeyer@609: // This C++ file is part of an implementation of Lyon's cochlear model:
alexbrandmeyer@609: // "Cascade of Asymmetric Resonators with Fast-Acting Compression"
alexbrandmeyer@609: // to supplement Lyon's upcoming book "Human and Machine Hearing"
alexbrandmeyer@609: //
alexbrandmeyer@609: // Licensed under the Apache License, Version 2.0 (the "License");
alexbrandmeyer@609: // you may not use this file except in compliance with the License.
alexbrandmeyer@609: // You may obtain a copy of the License at
alexbrandmeyer@609: //
alexbrandmeyer@609: //     http://www.apache.org/licenses/LICENSE-2.0
alexbrandmeyer@609: //
alexbrandmeyer@609: // Unless required by applicable law or agreed to in writing, software
alexbrandmeyer@609: // distributed under the License is distributed on an "AS IS" BASIS,
alexbrandmeyer@609: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
alexbrandmeyer@609: // See the License for the specific language governing permissions and
alexbrandmeyer@609: // limitations under the License.
alexbrandmeyer@609: 
alexbrandmeyer@609: #include "agc_params.h"
alexbrandmeyer@609: 
alexbrandmeyer@609: AGCParams::AGCParams(){
alexbrandmeyer@609:   n_stages_ = 4;
alexbrandmeyer@609:   agc_stage_gain_ = 2;
alexbrandmeyer@609:   FPType agc1f = 1.0;
alexbrandmeyer@609:   FPType agc2f = 1.65;
alexbrandmeyer@609:   time_constants_.resize(n_stages_);
alexbrandmeyer@609:   time_constants_ << 1*0.002, 4*0.002, 16*0.002, 64*0.002;
alexbrandmeyer@609:   decimation_.resize(n_stages_);
alexbrandmeyer@609:   decimation_ << 8, 2, 2, 2;
alexbrandmeyer@609:   agc1_scales_.resize(n_stages_);
alexbrandmeyer@609:   agc1_scales_ << 1.0 * agc1f, 1.4 * agc1f, 2.0 * agc1f, 2.8 * agc1f;
alexbrandmeyer@609:   agc2_scales_.resize(n_stages_);
alexbrandmeyer@609:   agc2_scales_ << 1.0 * agc2f, 1.4 * agc2f, 2.0 * agc2f, 2.8 * agc2f;
alexbrandmeyer@609:   agc_mix_coeff_ = 0.5;
alexbrandmeyer@609: }
alexbrandmeyer@609: 
alexbrandmeyer@609: void AGCParams::SetParams(int ns, FPType agcsg, FPType agcmc, FloatArray tc,
alexbrandmeyer@609:                           FloatArray dec, FloatArray agc1sc, FloatArray agc2sc){
alexbrandmeyer@609:   n_stages_ = ns;
alexbrandmeyer@609:   agc_stage_gain_ = agcsg;
alexbrandmeyer@609:   agc_mix_coeff_ = agcmc;
alexbrandmeyer@609:   time_constants_ = tc;
alexbrandmeyer@609:   decimation_ = dec;
alexbrandmeyer@609:   agc1_scales_ = agc1sc;
alexbrandmeyer@609:   agc2_scales_ = agc2sc;
alexbrandmeyer@609: }
alexbrandmeyer@609: 
alexbrandmeyer@609: void AGCParams::OutputParams(){
alexbrandmeyer@609:   std::cout << "AGCParams Values" << std::endl;
alexbrandmeyer@609:   std::cout << "****************" << std::endl;
alexbrandmeyer@609:   std::cout << "n_stages_ = " << n_stages_ << std::endl;
alexbrandmeyer@609:   std::cout << "agc_stage_gain_ = " << agc_stage_gain_ << std::endl;
alexbrandmeyer@609:   std::cout << "agc_mix_coeff_ = " << agc_mix_coeff_ << std::endl;
alexbrandmeyer@609:   std::cout << "time_constants_ = " << time_constants_ << std::endl;
alexbrandmeyer@609:   std::cout << "decimation_ = " << decimation_ << std::endl;
alexbrandmeyer@609:   std::cout << "agc1_scales_ = " << agc1_scales_ << std::endl;
alexbrandmeyer@609:   std::cout << "agc2_scales_ = " << agc2_scales_ << std::endl << std::endl;
alexbrandmeyer@609: }