diff carfac/agc_params.cc @ 609:aefe2ca0674f

First version of a C++ implementation by Alex Brandmeyer

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/carfac/agc_params.cc	Mon May 13 22:51:15 2013 +0000
@@ -0,0 +1,62 @@
+//
+//  agc_params.cc
+//  CARFAC Open Source C++ Library
+//
+//  Created by Alex Brandmeyer on 5/10/13.
+//
+// This C++ file is part of an implementation of Lyon's cochlear model:
+// "Cascade of Asymmetric Resonators with Fast-Acting Compression"
+// to supplement Lyon's upcoming book "Human and Machine Hearing"
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "agc_params.h"
+
+AGCParams::AGCParams(){
+  n_stages_ = 4;
+  agc_stage_gain_ = 2;
+  FPType agc1f = 1.0;
+  FPType agc2f = 1.65;
+  time_constants_.resize(n_stages_);
+  time_constants_ << 1*0.002, 4*0.002, 16*0.002, 64*0.002;
+  decimation_.resize(n_stages_);
+  decimation_ << 8, 2, 2, 2;
+  agc1_scales_.resize(n_stages_);
+  agc1_scales_ << 1.0 * agc1f, 1.4 * agc1f, 2.0 * agc1f, 2.8 * agc1f;
+  agc2_scales_.resize(n_stages_);
+  agc2_scales_ << 1.0 * agc2f, 1.4 * agc2f, 2.0 * agc2f, 2.8 * agc2f;
+  agc_mix_coeff_ = 0.5;
+}
+
+void AGCParams::SetParams(int ns, FPType agcsg, FPType agcmc, FloatArray tc,
+                          FloatArray dec, FloatArray agc1sc, FloatArray agc2sc){
+  n_stages_ = ns;
+  agc_stage_gain_ = agcsg;
+  agc_mix_coeff_ = agcmc;
+  time_constants_ = tc;
+  decimation_ = dec;
+  agc1_scales_ = agc1sc;
+  agc2_scales_ = agc2sc;
+}
+
+void AGCParams::OutputParams(){
+  std::cout << "AGCParams Values" << std::endl;
+  std::cout << "****************" << std::endl;
+  std::cout << "n_stages_ = " << n_stages_ << std::endl;
+  std::cout << "agc_stage_gain_ = " << agc_stage_gain_ << std::endl;
+  std::cout << "agc_mix_coeff_ = " << agc_mix_coeff_ << std::endl;
+  std::cout << "time_constants_ = " << time_constants_ << std::endl;
+  std::cout << "decimation_ = " << decimation_ << std::endl;
+  std::cout << "agc1_scales_ = " << agc1_scales_ << std::endl;
+  std::cout << "agc2_scales_ = " << agc2_scales_ << std::endl << std::endl;
+}
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