不韋 呂 / Mbed 2 deprecated UIT2_VowelSynthesizer

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Dependencies:   UITDSP_ADDA UIT_ACM1602NI UIT_AQM1602 mbed

Resonator.hpp@4:dd2ec72068d0, 2014-12-17 (annotated)

Committer:
MikamiUitOpen
Date:
Wed Dec 17 08:22:30 2014 +0000
Revision:
4:dd2ec72068d0
Parent:
0:6c67a9387981 
5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:6c67a9387981 1 //------------------------------------------------------------------------------
MikamiUitOpen 0:6c67a9387981 2 // 音声合成で使う共振器（ヘッダ）
MikamiUitOpen 0:6c67a9387981 3 // 作成者：三上直樹，2013/11/27 作成，(c)三上直樹 2013
MikamiUitOpen 0:6c67a9387981 4 //------------------------------------------------------------------------------
MikamiUitOpen 0:6c67a9387981 5
MikamiUitOpen 0:6c67a9387981 6 #include "mbed.h"
MikamiUitOpen 0:6c67a9387981 7
MikamiUitOpen 0:6c67a9387981 8 #ifndef RESONATOR_HPP
MikamiUitOpen 0:6c67a9387981 9 #define RESONATOR_HPP
MikamiUitOpen 0:6c67a9387981 10
MikamiUitOpen 0:6c67a9387981 11 namespace Mikami
MikamiUitOpen 0:6c67a9387981 12 {
MikamiUitOpen 0:6c67a9387981 13 class Resonator
MikamiUitOpen 0:6c67a9387981 14 {
MikamiUitOpen 0:6c67a9387981 15 private:
MikamiUitOpen 0:6c67a9387981 16 static float piT_;
MikamiUitOpen 0:6c67a9387981 17 float a1_, a2_, b0_;
MikamiUitOpen 0:6c67a9387981 18 float yn1_, yn2_;
MikamiUitOpen 0:6c67a9387981 19
MikamiUitOpen 0:6c67a9387981 20 // コンストラクタに共通な初期化
MikamiUitOpen 0:6c67a9387981 21 void Initialize(float fr, float bw, float fs);
MikamiUitOpen 0:6c67a9387981 22
MikamiUitOpen 0:6c67a9387981 23 public:
MikamiUitOpen 0:6c67a9387981 24 // 共振周波数と帯域幅に対応する構造体
MikamiUitOpen 0:6c67a9387981 25 struct FrBw { float fr, bw; };
MikamiUitOpen 0:6c67a9387981 26
MikamiUitOpen 0:6c67a9387981 27 // デフォルト･コンストラクタ
MikamiUitOpen 0:6c67a9387981 28 Resonator() {}
MikamiUitOpen 0:6c67a9387981 29
MikamiUitOpen 0:6c67a9387981 30 // 初期化を行うコンストラクタ
MikamiUitOpen 4:dd2ec72068d0 31 Resonator(float fr, float bw, float fs)
MikamiUitOpen 4:dd2ec72068d0 32 { Initialize(fr, bw, fs); }
MikamiUitOpen 0:6c67a9387981 33
MikamiUitOpen 0:6c67a9387981 34 // 初期化を行うコンストラクタ（構造体使用）
MikamiUitOpen 4:dd2ec72068d0 35 Resonator(FrBw fb, float fs)
MikamiUitOpen 4:dd2ec72068d0 36 { Initialize(fb.fr, fb.bw, fs); }
MikamiUitOpen 0:6c67a9387981 37
MikamiUitOpen 0:6c67a9387981 38 // 共振器のパラメータの設定
MikamiUitOpen 0:6c67a9387981 39 void Set(float fr, float bw);
MikamiUitOpen 0:6c67a9387981 40
MikamiUitOpen 0:6c67a9387981 41 // 共振器のパラメータの設定（構造体使用）
MikamiUitOpen 0:6c67a9387981 42 void Set(FrBw fb) { Set(fb.fr, fb.bw); }
MikamiUitOpen 0:6c67a9387981 43
MikamiUitOpen 0:6c67a9387981 44 // 内部の遅延器をクリア
MikamiUitOpen 0:6c67a9387981 45 void Clear() { yn1_ = 0; yn2_ = 0; }
MikamiUitOpen 0:6c67a9387981 46
MikamiUitOpen 0:6c67a9387981 47 // 共振器に対応する処理の実行
MikamiUitOpen 0:6c67a9387981 48 float Execute(float xin);
MikamiUitOpen 0:6c67a9387981 49 };
MikamiUitOpen 0:6c67a9387981 50 }
MikamiUitOpen 0:6c67a9387981 51 #endif // RESONATOR_HPP
MikamiUitOpen 0:6c67a9387981 52