不韋 呂 / F746_Spectrogram

Realtime spectrogram for DISCO-F746NG. On-board MEMS microphone is used for input sound signal. リアルタイムスペクトログラム．入力：MEMSマイク

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

Diff: MySpectrogram/Hamming.hpp

Revision:
6:b3885567877c
Parent:
3:6a2c8ff46f73
--- a/MySpectrogram/Hamming.hpp	Fri Mar 17 02:06:23 2017 +0000
+++ b/MySpectrogram/Hamming.hpp	Mon Apr 10 13:43:07 2017 +0000
@@ -1,7 +1,7 @@
 //-------------------------------------------------------------------
 //  Hamming windowing with zero-padding
 //
-//  2016/07/23, Copyright (c) 2016 MIKAMI, Naoki
+//  2017/04/10, Copyright (c) 2017 MIKAMI, Naoki
 //-------------------------------------------------------------------
 
 #ifndef HAMMING_WINDOW_HPP
@@ -23,10 +23,7 @@
             for (int k=0; k<nData; k++)
                 w_[k] = 0.54f - 0.46f*cosf(k*pi2L);
         }
-        
-        // Destructor
-        virtual ~HammingWindow() {}
-        
+
         // Windowing
         void Execute(const float x[], float y[])
         {
@@ -37,7 +34,7 @@
     private:
         const int N_;
         const int NFFT_;
-                
+
         Array<float> w_;
 
         // disallow copy constructor and assignment operator