flatmax@674: flatmax@598: // Author Matt Flax flatmax@597: // flatmax@597: // This C++ file is part of an implementation of Lyon's cochlear model: flatmax@597: // "Cascade of Asymmetric Resonators with Fast-Acting Compression" flatmax@597: // to supplement Lyon's upcoming book "Human and Machine Hearing" flatmax@597: // flatmax@597: // Licensed under the Apache License, Version 2.0 (the "License"); flatmax@597: // you may not use this file except in compliance with the License. flatmax@597: // You may obtain a copy of the License at flatmax@597: // flatmax@597: // http://www.apache.org/licenses/LICENSE-2.0 flatmax@597: // flatmax@597: // Unless required by applicable law or agreed to in writing, software flatmax@597: // distributed under the License is distributed on an "AS IS" BASIS, flatmax@597: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. flatmax@597: // See the License for the specific language governing permissions and flatmax@597: // limitations under the License. flatmax@597: #ifndef EAR_H_ flatmax@597: #define EAR_H_ flatmax@597: flatmax@597: #include "CAR.H" flatmax@597: #include "IHC.H" flatmax@597: #include "AGC.H" flatmax@597: flatmax@597: /** flatmax@597: \author {Matt Flax } flatmax@597: \date 2013.02.08 flatmax@597: flatmax@597: Class which encapsulates an ear, using the CAR, IHC and AGC classes flatmax@597: */ flatmax@597: class Ear { flatmax@598: FP_TYPE fs; ///< The sample rate flatmax@598: FP_TYPE max_channels_per_octave; ///< How many channels in each octave flatmax@598: int n_ch; ///< The number of channels (in the ear) flatmax@597: flatmax@598: CAR car; ///< The cascade of asymmetric resontaors for this ear flatmax@598: IHC ihc; ///< The inner hair cell for this ear flatmax@598: AGC agc; ///< The automatic gain control for this ear flatmax@597: flatmax@597: public: flatmax@598: /** Constructor specifying the sample rate flatmax@598: \param fs_ The sample rate to use flatmax@598: */ flatmax@598: Ear(FP_TYPE fs_); flatmax@598: flatmax@598: /** Constructor using the DEFAULT_SAMPLERATE as the sample rate flatmax@598: */ flatmax@598: Ear(void); flatmax@598: virtual ~Ear(void); flatmax@598: flatmax@598: /** Estimates the number of filter stages and executes the dsign method for each of CAR, AGC and IHC flatmax@598: */ flatmax@598: void design(void); flatmax@597: }; flatmax@597: flatmax@597: #endif // EAR_H_