不韋 呂 / Mbed 2 deprecated F746_RealtimeSpectrumAnalyzer_MEMS_Mic

Version using MEMS microphone and CODEC for the program "F746_RealtimeSpectrumAnalyzer". "F746_RealtimeSpectrumAnalyzer" の入力を MEMS のマイクと CODEC に変更．このプログラムは Tomona Nanase さんが作成し DISCO-F746NG_Oscilloscope の名前で登録しているプログラムで， CODEC を使って入力する部分を参考にして作成．このプログラムの説明は，CQ出版社のインターフェース誌，2016年4月号に掲載．

Dependencies:   BSP_DISCO_F746NG BUTTON_GROUP LCD_DISCO_F746NG TS_DISCO_F746NG UIT_FFT_Real mbed

MyClasses_Functions/CepstrumAnalysis.hpp@8:e7dc8658c5cd, 2016-04-19 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Apr 19 09:35:24 2016 +0000
Revision:
8:e7dc8658c5cd
Parent:
0:0e5131366580 
9

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:0e5131366580 1 //-------------------------------------------------------
MikamiUitOpen 0:0e5131366580 2 // Class for spectrum analysis using cepstrum (Header)
MikamiUitOpen 0:0e5131366580 3 //
MikamiUitOpen 0:0e5131366580 4 // 2015/12/15, Copyright (c) 2015 MIKAMI, Naoki
MikamiUitOpen 0:0e5131366580 5 //-------------------------------------------------------
MikamiUitOpen 0:0e5131366580 6
MikamiUitOpen 0:0e5131366580 7 #ifndef CEPSTRUM_ANALYZER_HPP
MikamiUitOpen 0:0e5131366580 8 #define CEPSTRUM_ANALYZER_HPP
MikamiUitOpen 0:0e5131366580 9
MikamiUitOpen 0:0e5131366580 10 #include "AnalysisBase.hpp"
MikamiUitOpen 0:0e5131366580 11
MikamiUitOpen 0:0e5131366580 12
MikamiUitOpen 0:0e5131366580 13 namespace Mikami
MikamiUitOpen 0:0e5131366580 14 {
MikamiUitOpen 0:0e5131366580 15 class CepstrumAnalyzer : public AnalyzerBase
MikamiUitOpen 0:0e5131366580 16 {
MikamiUitOpen 0:0e5131366580 17 public:
MikamiUitOpen 0:0e5131366580 18 CepstrumAnalyzer(int nData, int nFft, int nLifter);
MikamiUitOpen 0:0e5131366580 19 virtual ~CepstrumAnalyzer();
MikamiUitOpen 0:0e5131366580 20
MikamiUitOpen 0:0e5131366580 21 private:
MikamiUitOpen 0:0e5131366580 22 const int N_LIFTER_;
MikamiUitOpen 0:0e5131366580 23
MikamiUitOpen 0:0e5131366580 24 Complex* yFft_; // output of FFT
MikamiUitOpen 0:0e5131366580 25 float* lifter_; // lifter
MikamiUitOpen 0:0e5131366580 26 Complex* db_; // real part: log spectrun
MikamiUitOpen 0:0e5131366580 27 float* cep_; // cepstrum
MikamiUitOpen 0:0e5131366580 28 float* cepLft_; // liftered cepstrum
MikamiUitOpen 0:0e5131366580 29 Complex* cepFt_; // smoothed spectrum
MikamiUitOpen 0:0e5131366580 30
MikamiUitOpen 0:0e5131366580 31 virtual void Analyze(const float xn[], float yn[]);
MikamiUitOpen 0:0e5131366580 32
MikamiUitOpen 0:0e5131366580 33 // disallow copy constructor and assignment operator
MikamiUitOpen 0:0e5131366580 34 CepstrumAnalyzer(const CepstrumAnalyzer& );
MikamiUitOpen 0:0e5131366580 35 CepstrumAnalyzer& operator=(const CepstrumAnalyzer& );
MikamiUitOpen 0:0e5131366580 36 };
MikamiUitOpen 0:0e5131366580 37 }
MikamiUitOpen 0:0e5131366580 38 #endif // CEPSTRUM_ANALYZER_HPP
MikamiUitOpen 0:0e5131366580 39