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