不韋 呂 / DSP_MultirateLinearphase

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Dependencies:   Array_Matrix DSP_ADDA

Dependents:   Demo_DSP_ADDA_Multirate DSP_AD_DA_Multirate DSP_GraphicEqualizerB DSP_VariableLHpfB ... more

Files at this revision

API Documentation at this revision

Revision 12:f7bfe38c93ab, committed 2021-12-22

Comitter:
MikamiUitOpen
Date:
Wed Dec 22 08:01:24 2021 +0000
Parent:
11:91190380ca3c
Commit message:
13

Changed in this revision

MultirateLiPh.cpp Show annotated file Show diff for this revision Revisions of this file
MultirateLiPh.hpp Show annotated file Show diff for this revision Revisions of this file
MultirateLiPhCoefs.cpp Show diff for this revision Revisions of this file
MultirateLiPhCoefs.hpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 91190380ca3c -r f7bfe38c93ab MultirateLiPh.cpp
--- a/MultirateLiPh.cpp	Sun Dec 20 08:10:40 2020 +0000
+++ b/MultirateLiPh.cpp	Wed Dec 22 08:01:24 2021 +0000
@@ -2,10 +2,11 @@
 //  出力を 4 倍にアップサンプリングするクラス
 //  補間処理で使うフィルタ：直線位相 FIR フィルタ
 //  
-//  2020/12/20, Copyright (c) 2020 MIKAMI, Naoki
+//  2021/12/22, Copyright (c) 2021 MIKAMI, Naoki
 //-----------------------------------------------------------
 
 #include "MultirateLiPh.hpp"
+#include "MultirateLiPhCoefs.hpp"   // デフォルトの補間用フィルタの係数
 
 namespace Mikami
 {

diff -r 91190380ca3c -r f7bfe38c93ab MultirateLiPh.hpp
--- a/MultirateLiPh.hpp	Sun Dec 20 08:10:40 2020 +0000
+++ b/MultirateLiPh.hpp	Wed Dec 22 08:01:24 2021 +0000
@@ -4,7 +4,7 @@
 //
 //      出力端子： A2 (PA_4) 
 //
-//  2020/12/20, Copyright (c) 2020 MIKAMI, Naoki
+//  2021/12/22, Copyright (c) 2021 MIKAMI, Naoki
 //-----------------------------------------------------------
 
 #include "DSP_AdcIntr.hpp"

diff -r 91190380ca3c -r f7bfe38c93ab MultirateLiPhCoefs.cpp
--- a/MultirateLiPhCoefs.cpp	Sun Dec 20 08:10:40 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,38 +0,0 @@
-//-------------------------------------------------------------------
-// デフォルトの補間用フィルタの係数
-//      この係数は，入力の標本化周波数を 10 kHz，
-//      出力の標本化周波数を 40 kHz として設計した
-//
-//  2020/12/06, Copyright (c) 2020 MIKAMI, Naoki
-//-------------------------------------------------------------------
-
-#include "MultirateLiPh.hpp"
-
-namespace Mikami
-{
-    // 使用窓関数   Kaiser 窓
-    // 標本化周波数 (kHz)      40.000000
-    // 次数                    70
-    // 種類         LPF
-    // 遮断周波数 (kHz)         5.000000
-    // 減衰量 (dB)             40.00 
-    const int MultirateLiPh::ORDER_ = 70;
-    const float MultirateLiPh::HK1_[] = {
-         3.806160E-03f, -7.410556E-03f,  1.260559E-02f, -1.994242E-02f,
-         3.036776E-02f, -4.579744E-02f,  7.095016E-02f, -1.214690E-01f,
-         2.969901E-01f,  8.992744E-01f, -1.749060E-01f,  9.096828E-02f,
-        -5.663444E-02f,  3.726704E-02f, -2.468324E-02f,  1.596038E-02f,
-        -9.780624E-03f,  5.435560E-03f};
-    const float MultirateLiPh::HK2_[] = {
-         6.477720E-03f, -1.208128E-02f,  2.009782E-02f, -3.140681E-02f,
-         4.757964E-02f, -7.194132E-02f,  1.131902E-01f, -2.034948E-01f,
-         6.336764E-01f,  6.336764E-01f, -2.034948E-01f,  1.131902E-01f,
-        -7.194132E-02f,  4.757964E-02f, -3.140681E-02f,  2.009782E-02f,
-        -1.208128E-02f,  6.477720E-03f};
-    const float MultirateLiPh::HK3_[] = {
-         5.435560E-03f, -9.780624E-03f,  1.596038E-02f, -2.468324E-02f,
-         3.726704E-02f, -5.663444E-02f,  9.096828E-02f, -1.749060E-01f,
-         8.992744E-01f,  2.969901E-01f, -1.214690E-01f,  7.095016E-02f,
-        -4.579744E-02f,  3.036776E-02f, -1.994242E-02f,  1.260559E-02f,
-        -7.410556E-03f,  3.806160E-03f};
-}
\ No newline at end of file

diff -r 91190380ca3c -r f7bfe38c93ab MultirateLiPhCoefs.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MultirateLiPhCoefs.hpp	Wed Dec 22 08:01:24 2021 +0000
@@ -0,0 +1,38 @@
+//-------------------------------------------------------------------
+// デフォルトの補間用フィルタの係数
+//      この係数は，入力の標本化周波数を 10 kHz，
+//      出力の標本化周波数を 40 kHz として設計した
+//
+//  2021/12/22, Copyright (c) 2021 MIKAMI, Naoki
+//-------------------------------------------------------------------
+
+#include "MultirateLiPh.hpp"
+
+namespace Mikami
+{
+    // 使用窓関数   Kaiser 窓
+    // 標本化周波数 (kHz)   40.000000
+    // 次数          72
+    // 種類         LPF
+    // 遮断周波数 (kHz)      5.000000
+    // 減衰量 (dB)  40.00
+    const int MultirateLiPh::ORDER_ = 72;
+    const float MultirateLiPh::HK1_[] = {
+         4.431256E-03f, -8.146596E-03f,  1.341366E-02f, -2.077330E-02f,
+         3.116614E-02f, -4.650688E-02f,  7.151836E-02f, -1.218529E-01f,
+         2.971602E-01f,  8.993316E-01f, -1.751857E-01f,  9.144896E-02f,
+        -5.727932E-02f,  3.802786E-02f, -2.550498E-02f,  1.678651E-02f,
+        -1.055827E-02f,  6.120216E-03f};
+    const float MultirateLiPh::HK2_[] = {
+         7.405152E-03f, -1.315348E-02f,  2.125564E-02f, -3.257789E-02f,
+         4.868468E-02f, -7.290120E-02f,  1.139337E-01f, -2.039652E-01f,
+         6.338376E-01f,  6.338376E-01f, -2.039652E-01f,  1.139337E-01f,
+        -7.290120E-02f,  4.868468E-02f, -3.257789E-02f,  2.125564E-02f,
+        -1.315348E-02f,  7.405152E-03f};
+    const float MultirateLiPh::HK3_[] = {
+         6.120216E-03f, -1.055827E-02f,  1.678651E-02f, -2.550498E-02f,
+         3.802786E-02f, -5.727932E-02f,  9.144896E-02f, -1.751857E-01f,
+         8.993316E-01f,  2.971602E-01f, -1.218529E-01f,  7.151836E-02f,
+        -4.650688E-02f,  3.116614E-02f, -2.077330E-02f,  1.341366E-02f,
+        -8.146596E-03f,  4.431256E-03f};
+}
\ No newline at end of file