alexbrandmeyer@609: //
alexbrandmeyer@609: //  car_params.h
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: #ifndef CARFAC_Open_Source_C__Library_CARParams_h
alexbrandmeyer@609: #define CARFAC_Open_Source_C__Library_CARParams_h
alexbrandmeyer@609: 
alexbrandmeyer@609: #include "carfac_common.h"
alexbrandmeyer@609: 
alexbrandmeyer@610: struct CARParams {
alexbrandmeyer@610:   CARParams();  // The constructor initializes using default parameter values.
alexbrandmeyer@610:   FPType velocity_scale_; // This is used for the velocity nonlinearity.
alexbrandmeyer@610:   FPType v_offset_;  // The offset gives us quadratic part.
alexbrandmeyer@610:   FPType min_zeta_;  // This is the minimum damping factor in mid-freq channels.
alexbrandmeyer@610:   FPType max_zeta_;  // This is the maximum damping factor in mid-freq channels.
alexbrandmeyer@609:   FPType first_pole_theta_;
alexbrandmeyer@610:   FPType zero_ratio_;  // This is how far zero is above the pole.
alexbrandmeyer@610:   FPType high_f_damping_compression_;  // A range from 0 to 1 to compress theta.
alexbrandmeyer@626:   FPType erb_per_step_;
alexbrandmeyer@609:   FPType min_pole_hz_;
alexbrandmeyer@626:   FPType erb_break_freq_;
alexbrandmeyer@626:   FPType erb_q_;
alexbrandmeyer@609: };
alexbrandmeyer@609: 
alexbrandmeyer@610: #endif