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/LinearPrediction.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 linear prediction (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 LINEAR_PREDICTION_HPP
MikamiUitOpen 0:0e5131366580 8 #define LINEAR_PREDICTION_HPP
MikamiUitOpen 0:0e5131366580 9
MikamiUitOpen 0:0e5131366580 10 #include "mbed.h"
MikamiUitOpen 0:0e5131366580 11
MikamiUitOpen 0:0e5131366580 12 namespace Mikami
MikamiUitOpen 0:0e5131366580 13 {
MikamiUitOpen 0:0e5131366580 14 class LinearPred
MikamiUitOpen 0:0e5131366580 15 {
MikamiUitOpen 0:0e5131366580 16 public:
MikamiUitOpen 0:0e5131366580 17 LinearPred(int nData, int order);
MikamiUitOpen 0:0e5131366580 18 ~LinearPred();
MikamiUitOpen 0:0e5131366580 19 bool Execute(const float x[], float a[], float &em);
MikamiUitOpen 0:0e5131366580 20 private:
MikamiUitOpen 0:0e5131366580 21 const uint16_t N_DATA_;
MikamiUitOpen 0:0e5131366580 22 const uint16_t ORDER_;
MikamiUitOpen 0:0e5131366580 23
MikamiUitOpen 0:0e5131366580 24 float* r_; // for auto-correlation
MikamiUitOpen 0:0e5131366580 25 float* k_; // for PARCOR coefficients
MikamiUitOpen 0:0e5131366580 26 float* am_; // working area
MikamiUitOpen 0:0e5131366580 27
MikamiUitOpen 0:0e5131366580 28 void AutoCorr(const float x[]);
MikamiUitOpen 0:0e5131366580 29 bool Durbin(float a[], float &em);
MikamiUitOpen 0:0e5131366580 30
MikamiUitOpen 0:0e5131366580 31 // disallow copy constructor and assignment operator
MikamiUitOpen 0:0e5131366580 32 LinearPred(const LinearPred& );
MikamiUitOpen 0:0e5131366580 33 LinearPred& operator=(const LinearPred& );
MikamiUitOpen 0:0e5131366580 34 };
MikamiUitOpen 0:0e5131366580 35 }
MikamiUitOpen 0:0e5131366580 36 #endif // LINEAR_PREDICTION_HPP