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

MySpectrogram/FFT_Analysis.hpp

Committer:
MikamiUitOpen
Date:
2016-08-15
Revision:
3:6a2c8ff46f73
Parent:
MyClasses_Functions/FFT_Analysis.hpp@ 2:1f092ac020e1
Child:
6:b3885567877c

File content as of revision 3:6a2c8ff46f73:

//-------------------------------------------------------
//  Class for spectrum analysis using FFT (Header)
//
//  2016/07/23, Copyright (c) 2016 MIKAMI, Naoki
//-------------------------------------------------------

#ifndef FFT_ANALYZER_HPP
#define FFT_ANALYZER_HPP

#include "AnalysisBase.hpp"

namespace Mikami
{
    class FftAnalyzer : public AnalyzerBase
    {
    public:
        FftAnalyzer(int nData, int nFft);
        virtual ~FftAnalyzer() {}

    private:
        Array<Complex> yFft_;   // output of FFT

        virtual void Analyze(const float xn[], float yn[]);

        // disallow copy constructor and assignment operator
        FftAnalyzer(const FftAnalyzer& );
        FftAnalyzer& operator=(const FftAnalyzer& );
    };
}

#endif  // FFT_ANALYZER_HPP