comparison trunk/src/Modules/BMM/ModuleGammatone.h @ 276:a57b29e373c7

- Added stub for a Slaney IIR Gammatone filterbank

+// Copyright 2009-2010, Thomas Walters
+//
+// AIM-C: A C++ implementation of the Auditory Image Model
+// http://www.acousticscale.org/AIMC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+/*! \file
+ *  \brief Slaney's gammatone filterbank
+ *
+ *  \author Thomas Walters <[e-mail]>
+ *  \date created 2009/11/13
+ *  \version \$Id$
+ */
+
+#include <vector>
+
+namespace aimc {
+using std::vector;
+class ModuleGammatone : public Module {
+ public:
+  ModuleGammatone(Parameters *params);
+  virtual ~ModuleGammatone();
+  //! \brief Process a buffer
+  virtual void Process(const SignalBank &input);
+
+ private:
+  virtual bool InitializeInternal(const SignalBank& input);
+  virtual void ResetInternal();
+  vector<vector<float> > forward_;
+  vector<vector<float> > feedback_;
+  vector<float> centre_frequencies_;
+  int num_channels_;
+  float max_frequency_;
+  float min_frequency_;
+};
+}  // namespace aimc