alexbrandmeyer@609: //
alexbrandmeyer@609: //  agc_coeffs.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_AGCCoeffs_h
alexbrandmeyer@609: #define CARFAC_Open_Source_C__Library_AGCCoeffs_h
alexbrandmeyer@609: 
alexbrandmeyer@609: #include "agc_params.h"
alexbrandmeyer@609: 
alexbrandmeyer@626: // TODO (alexbrandmeyer): check that struct is ok given possible non-triviality
alexbrandmeyer@626: // of the 'Design' method. A change to class would require the addition of
alexbrandmeyer@626: // accessor functions.
alexbrandmeyer@610: struct AGCCoeffs {
alexbrandmeyer@626:   void Design(const AGCParams& agc_params, const int stage, const FPType fs,
alexbrandmeyer@626:               const FPType previous_stage_gain, FPType decim);
alexbrandmeyer@609:   int n_agc_stages_;
alexbrandmeyer@626:   FPType agc_stage_gain_;
alexbrandmeyer@626:   FPType agc_epsilon_;
alexbrandmeyer@626:   int decimation_;
alexbrandmeyer@626:   FPType agc_pole_z1_;
alexbrandmeyer@626:   FPType agc_pole_z2_;
alexbrandmeyer@626:   int agc_spatial_iterations_;
alexbrandmeyer@626:   std::vector<FPType> agc_spatial_fir_;
alexbrandmeyer@626:   int agc_spatial_n_taps_;
alexbrandmeyer@626:   FPType agc_mix_coeffs_;
alexbrandmeyer@609:   FPType agc_gain_;
alexbrandmeyer@609:   FPType detect_scale_;
alexbrandmeyer@626:   FPType decim_;
alexbrandmeyer@609: };
alexbrandmeyer@609: 
alexbrandmeyer@610: #endif