diff carfac/ear.h @ 609:aefe2ca0674f

First version of a C++ implementation by Alex Brandmeyer

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/carfac/ear.h	Mon May 13 22:51:15 2013 +0000
@@ -0,0 +1,55 @@
+//
+//  ear.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_Ear_h
+#define CARFAC_Open_Source_C__Library_Ear_h
+
+#include "car_state.h"
+#include "ihc_state.h"
+#include "agc_state.h"
+
+
+class Ear {
+public:
+  int n_ch_;
+  FPType max_channels_per_octave_;
+  CARParams car_params_;
+  IHCParams ihc_params_;
+  AGCParams agc_params_;
+  CARCoeffs car_coeffs_;
+  IHCCoeffs ihc_coeffs_;
+  AGCCoeffs agc_coeffs_;
+  CARState car_state_;
+  IHCState ihc_state_;
+  AGCState agc_state_;
+  
+  void InitEar(long fs, CARParams car_p, IHCParams ihc_p, AGCParams agc_p);
+  FloatArray CARStep(FPType input);
+  FloatArray OHC_NLF(FloatArray velocities);
+  FloatArray IHCStep(FloatArray car_out);
+  bool AGCStep(FloatArray ihc_out);
+  bool AGCRecurse(int stage, FloatArray agc_in);
+  FloatArray AGCSpatialSmooth(int stage, FloatArray stage_state);
+  FloatArray AGCSmoothDoubleExponential(FloatArray stage_state);
+};
+
+#endif