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CARFAC C++
C++ implementation of CARFAC
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00001 // Copyright 2013 Matt R. Flax <flatmax\@> All Rights Reserved. 00002 // Author Matt Flax <flatmax@> 00003 // 00004 // This C++ file is part of an implementation of Lyon's cochlear model: 00005 // "Cascade of Asymmetric Resonators with Fast-Acting Compression" 00006 // to supplement Lyon's upcoming book "Human and Machine Hearing" 00007 // 00008 // Licensed under the Apache License, Version 2.0 (the "License"); 00009 // you may not use this file except in compliance with the License. 00010 // You may obtain a copy of the License at 00011 // 00012 // http://www.apache.org/licenses/LICENSE-2.0 00013 // 00014 // Unless required by applicable law or agreed to in writing, software 00015 // distributed under the License is distributed on an "AS IS" BASIS, 00016 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00017 // See the License for the specific language governing permissions and 00018 // limitations under the License. 00019 #ifndef AGCPARAMS_H_ 00020 #define AGCPARAMS_H_ 00021 00022 #include "Parameters.H" 00023 00030 class AGCParam : public Parameters { 00031 int n_stages; 00032 Array<FP_TYPE, AGC_STAGE_COUNT,1> time_constants; 00033 FP_TYPE AGC_stage_gain; 00034 Array<int,AGC_STAGE_COUNT, 1> decimation; 00035 Array<FP_TYPE, AGC_STAGE_COUNT,1> AGC1_scales; 00036 Array<FP_TYPE, AGC_STAGE_COUNT,1> AGC2_scales; 00037 FP_TYPE AGC_mix_coeff; 00038 public: 00040 AGCParam(int n_stages_=AGC_STAGE_COUNT, 00041 Array<FP_TYPE, AGC_STAGE_COUNT,1> time_constants_=Array<FP_TYPE, AGC_STAGE_COUNT,1>(1., 4., 16., 64.)*0.002, 00042 FP_TYPE AGC_stage_gain_=2., 00043 Array<int,AGC_STAGE_COUNT, 1> decimation_=Array<int,AGC_STAGE_COUNT, 1>(8, 2, 2, 2), 00044 Array<FP_TYPE, AGC_STAGE_COUNT,1> AGC1_scales_=Array<FP_TYPE, AGC_STAGE_COUNT,1>(1.0, 1.4, 2.0, 2.8), 00045 Array<FP_TYPE, AGC_STAGE_COUNT,1> AGC2_scales_=Array<FP_TYPE, AGC_STAGE_COUNT,1>(1.6, 2.25, 3.2, 4.5), 00046 FP_TYPE AGC_mix_coeff_=0.5); 00047 00048 virtual ~AGCParam(); 00049 }; 00050 00051 #endif // AGCPARAMS_H_