diff carfac/car_params.h @ 609:aefe2ca0674f

First version of a C++ implementation by Alex Brandmeyer
author alexbrandmeyer
date Mon, 13 May 2013 22:51:15 +0000
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children 01986636257a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/carfac/car_params.h	Mon May 13 22:51:15 2013 +0000
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+//
+//  car_params.h
+//  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.
+
+#ifndef CARFAC_Open_Source_C__Library_CARParams_h
+#define CARFAC_Open_Source_C__Library_CARParams_h
+
+#include "carfac_common.h"
+
+class CARParams {
+public:
+  FPType velocity_scale_; //for the velocity nonlinearity
+  FPType v_offset_; //offset gives quadratic part
+  FPType min_zeta_; //minimum damping factor in mid-freq channels
+  FPType max_zeta_; //maximum damping factor in mid-freq channels
+  FPType first_pole_theta_;
+  FPType zero_ratio_; //how far zero is above pole
+  FPType high_f_damping_compression_; //0 to 1 to compress theta
+  FPType erb_per_step_; //assume G&M's ERB formula
+  FPType min_pole_hz_;
+  FPType erb_break_freq_; //Greenwood map's break frequency
+  FPType erb_q_; //G&M's high-cf ratio
+  
+  CARParams(); //Constructor initializes default parameter values
+  void OutputParams(); //Output current parameter values using std::cout
+  void SetParams(FPType vs, FPType voff, FPType min_z, FPType max_z, FPType fpt,
+                 FPType zr, FPType hfdc, FPType erbps, FPType mph, FPType erbbf,
+                 FPType erbq); //Method to set non-default params
+};
+
+
+#endif