不韋 呂 / Mbed 2 deprecated F446_MySoundMachine

Demo program of digital signal processing: Variable LPF/HPF, Vocal canceller, Pitch shifter, Reverbrator. ディジタル信号処理のデモプログラム． 遮断周波数可変 LPF/HPF，ボーカルキャンセラ，ピッチシフタ，残響生成器．

Dependencies:   Array_Matrix F446_AD_DA UIT_AQM1602 mbed

SignalProcessing/SignalProcessing.hpp@3:e223a1b4e8c2, 2017-01-30 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Jan 30 08:18:25 2017 +0000
Revision:
3:e223a1b4e8c2
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 3:e223a1b4e8c2 1 //--------------------------------------------------------------
MikamiUitOpen 3:e223a1b4e8c2 2 // 信号処理の抽象基底クラスおよびその派生クラスの中で簡単なクラス
MikamiUitOpen 3:e223a1b4e8c2 3 //
MikamiUitOpen 3:e223a1b4e8c2 4 // 2017/01/30, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 3:e223a1b4e8c2 5 //--------------------------------------------------------------
MikamiUitOpen 3:e223a1b4e8c2 6
MikamiUitOpen 3:e223a1b4e8c2 7 #ifndef SIGNAL_PROSECCING_BASE_CLASS_HPP
MikamiUitOpen 3:e223a1b4e8c2 8 #define SIGNAL_PROSECCING_BASE_CLASS_HPP
MikamiUitOpen 3:e223a1b4e8c2 9
MikamiUitOpen 3:e223a1b4e8c2 10 // 信号処理の抽象基底クラス
MikamiUitOpen 3:e223a1b4e8c2 11 class SignalProcessing
MikamiUitOpen 3:e223a1b4e8c2 12 {
MikamiUitOpen 3:e223a1b4e8c2 13 public:
MikamiUitOpen 3:e223a1b4e8c2 14 virtual float Execute(float xn1, float xn2) = 0;
MikamiUitOpen 3:e223a1b4e8c2 15 };
MikamiUitOpen 3:e223a1b4e8c2 16
MikamiUitOpen 3:e223a1b4e8c2 17 //---------------------------------------
MikamiUitOpen 3:e223a1b4e8c2 18 // 以下は派生クラス
MikamiUitOpen 3:e223a1b4e8c2 19 //---------------------------------------
MikamiUitOpen 3:e223a1b4e8c2 20
MikamiUitOpen 3:e223a1b4e8c2 21 // 入力をそのまま出力する
MikamiUitOpen 3:e223a1b4e8c2 22 class Through : public SignalProcessing
MikamiUitOpen 3:e223a1b4e8c2 23 {
MikamiUitOpen 3:e223a1b4e8c2 24 public:
MikamiUitOpen 3:e223a1b4e8c2 25 virtual float Execute(float xn1, float xn2)
MikamiUitOpen 3:e223a1b4e8c2 26 { return (xn1 + xn2)*0.5f; }
MikamiUitOpen 3:e223a1b4e8c2 27 };
MikamiUitOpen 3:e223a1b4e8c2 28
MikamiUitOpen 3:e223a1b4e8c2 29 // ボーカルキャンセラ
MikamiUitOpen 3:e223a1b4e8c2 30 class VocalCanceller : public SignalProcessing
MikamiUitOpen 3:e223a1b4e8c2 31 {
MikamiUitOpen 3:e223a1b4e8c2 32 public:
MikamiUitOpen 3:e223a1b4e8c2 33 virtual float Execute(float xn1, float xn2)
MikamiUitOpen 3:e223a1b4e8c2 34 { return xn1 - xn2; }
MikamiUitOpen 3:e223a1b4e8c2 35 };
MikamiUitOpen 3:e223a1b4e8c2 36 #endif // SIGNAL_PROSECCING_BASE_CLASS_HPP