diff --git a/content/docs/2023/code-design/9/2023-code-and-design-9.pdf b/content/docs/2023/code-design/9/2023-code-and-design-9.pdf
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diff --git a/content/docs/2023/code-design/9/examples/mozzi_envelope/mozzi_envelope.ino b/content/docs/2023/code-design/9/examples/mozzi_envelope/mozzi_envelope.ino
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+#include <MozziGuts.h>
+#include <mozzi_midi.h>
+#include <Oscil.h>
+
+#include <ADSR.h>
+#include <tables/sin8192_int8.h>
+
+Oscil<8192, AUDIO_RATE> aOscil(SIN8192_DATA);  //元となる音色
+ADSR<AUDIO_RATE, AUDIO_RATE> envelope;         //エンベロープをかけるためのクラス
+
+unsigned int Dur, Atk, Dec, Sus, Rel;  //ADSRの長さを入れておく変数
+int button_prev = LOW;
+
+void setup() {
+  startMozzi(1024);
+  Atk = 10;
+  Dec = 10;
+  Sus = 50;
+  Rel = 100;
+  envelope.setTimes(Atk, Dec, Sus, Rel);
+  envelope.setADLevels(255, 128);
+}
+
+void updateControl() {
+  auto button_state = digitalRead(2);
+  if (button_prev == LOW && button_state == HIGH) {
+    auto f = mtof((int)random(65, 100));
+    aOscil.setFreq(f);
+    envelope.noteOn();
+  }
+  if (button_prev == HIGH && button_state == LOW) {
+    envelope.noteOff();
+  }
+  button_prev = button_state;
+}
+
+int updateAudio() {
+  envelope.update();
+  return envelope.next() * aOscil.next() / 255;
+}
+
+void loop() {
+  audioHook();
+}
\ No newline at end of file
diff --git a/content/docs/2023/code-design/9/examples/mozzi_reich/mozzi_reich.ino b/content/docs/2023/code-design/9/examples/mozzi_reich/mozzi_reich.ino
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+#include <MozziGuts.h>
+#include <mozzi_midi.h>
+#include <Oscil.h>
+#include <EventDelay.h>
+#include <ADSR.h>
+#include <tables/sin8192_int8.h>
+
+Oscil <8192, AUDIO_RATE> aOscil(SIN8192_DATA);//元となる音色
+Oscil <8192, AUDIO_RATE> aOscil2(SIN8192_DATA);//元となる音色
+ADSR <AUDIO_RATE, AUDIO_RATE> envelope_A;//エンベロープをかけるためのクラス
+ADSR <AUDIO_RATE, AUDIO_RATE> envelope_B;//エンベロープをかけるためのクラス
+unsigned int Dur, Atk, Dec, Sus, Rel;//ADSRの長さを入れておく変数
+
+//piano phaseのパターン
+unsigned int pattern[] = {64, 66, 71, 73, 74, 66, 64, 73, 71, 66, 74, 73};
+
+//二つのタイマーを用意
+int phase_A = 0;
+int phase_B = 0;
+EventDelay timer_B;
+EventDelay timer_A;
+
+void setup() {
+  startMozzi(1024);
+  Atk = 10;
+  Dec = 10;
+  Sus = 50;
+  Rel = 100;
+  envelope_A.setTimes(Atk, Dec, Sus, Rel);
+  envelope_A.setADLevels(255, 128);
+  envelope_B.setTimes(Atk, Dec, Sus, Rel);
+  envelope_B.setADLevels(255, 128);
+
+  timer_A.set(150);
+  timer_B.set(151);
+  timer_B.start();
+  timer_A.start();
+}
+
+void updateControl()
+{  
+  if (timer_A.ready())
+  {
+    int note = pattern[phase_A];
+    phase_A = (phase_A + 1) % 12;
+    aOscil.setFreq(mtof(note));
+    envelope_A.noteOn();
+    timer_A.start();
+  }
+
+  if (timer_B.ready())
+  {
+    int note = pattern[phase_B];
+    phase_B = (phase_B + 1) % 12;
+    aOscil2.setFreq(mtof(note));
+    envelope_B.noteOn();
+    timer_B.start();
+  }
+}
+
+int updateAudio()
+{
+  envelope_A.update();
+  envelope_B.update();
+  int A = (envelope_A.next() * aOscil.next()) >> 8;
+  int B = (envelope_B.next() * aOscil2.next()) >> 8;
+
+  return (A + B) / 2;
+}
+
+void loop() {
+  audioHook();
+}
\ No newline at end of file
diff --git a/content/docs/2023/code-design/9/examples/mozzi_sine/mozzi_sine.ino b/content/docs/2023/code-design/9/examples/mozzi_sine/mozzi_sine.ino
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+#include <MozziGuts.h>
+#include <Oscil.h>
+#include <tables/sin2048_int8.h>
+
+Oscil <SIN2048_NUM_CELLS, AUDIO_RATE> aSin(SIN2048_DATA);
+
+void setup(){
+  startMozzi();
+  aSin.setFreq(440);
+}
+
+void updateControl(){
+
+}
+
+int updateAudio(){
+  return aSin.next();
+}
+
+void loop(){
+  audioHook();
+}
\ No newline at end of file
diff --git a/content/docs/2023/code-design/9/examples/tone_minimal/tone_minimal.ino b/content/docs/2023/code-design/9/examples/tone_minimal/tone_minimal.ino
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+const int button_pin = 2;
+const int sound_pin = 9;
+
+void setup() {
+  pinMode(button_pin, INPUT);
+  //tone()を使うときは3,11以外
+  pinMode(sound_pin, OUTPUT);
+}
+
+void loop() {
+  if (digitalRead(2) == HIGH) {
+    tone(sound_pin, 1000);
+  } else {
+    noTone(sound_pin);
+  }
+  delay(20);
+}
diff --git a/content/docs/2023/code-design/9/examples/tone_random_flip/tone_random_flip.ino b/content/docs/2023/code-design/9/examples/tone_random_flip/tone_random_flip.ino
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+const int button_pin = 2;
+const int sound_pin = 9;
+
+bool is_playing = false;
+int button_prev= LOW;
+float freq = 440;
+
+float midiToFreq(int midi){
+  return 440.*pow(2.,(midi-69.)/12.);
+}
+
+void setup() {
+  pinMode(button_pin,INPUT);
+  pinMode(sound_pin, OUTPUT);
+}
+
+void loop() {
+  auto button_state = digitalRead(button_pin);
+
+  if(button_prev == LOW && button_state==HIGH){
+    is_playing = !is_playing;
+    freq = midiToFreq(random(65,100));
+  }
+  if(is_playing){
+    tone(sound_pin,freq);
+  }else{
+    noTone(sound_pin);
+  }
+
+  delay(20);
+  button_prev = button_state;
+}
diff --git a/content/docs/2023/code-design/9/index.en.md b/content/docs/2023/code-design/9/index.en.md
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+---
+title: Week 7
+date: 2023-05-26
+weight: 7
+---
+
+# 2023 Tokyo University of the Arts Art media Center「Code and Design」
+
+## Slides (in Japanese)
+
+{{< button href="2023-code-and-design-7.pdf">}}Slides（PDF）{{< /button >}}
+
+{{< button href="./slides">}}Slides（HTML）{{< /button >}}
+
+
+## Python Scripts for Mouse Automation
+
+https://github.com/tomoyanonymous/py-serial-automouse
+
+{{< button href="https://github.com/tomoyanonymous/py-serial-automouse/archive/refs/heads/main.zip">}} DL Zip {{< /button >}}
+
+## Arduino Example Codes
+
+### ADCTouch_monitor.ino
+
+{{< button href="./ADCTouch_monitor/ADCTouch_monitor.ino">}}DL{{< /button >}}
+
+```cpp
+#include <ADCTouch.h>
+void setup() {
+  pinMode(A0, INPUT);
+  pinMode(LED_BUILTIN, OUTPUT);
+  Serial.begin(9600);
+}
+void loop() {
+  int val = ADCTouch.read(A0, 100);
+  Serial.println(val);
+  delay(40);
+}
+```
+
+### ADCTouch_minimal.ino
+
+{{< button href="./ADCTouch_minimal/ADCTouch_minimal.ino">}}DL{{< /button >}}
+
+```cpp
+#include <ADCTouch.h>
+//setup()とloop()で共通して使う値はグローバル変数(関数の外側)で定義しておく
+int ref = 0;
+
+void setup() {
+  pinMode(A0, INPUT);
+  pinMode(LED_BUILTIN, OUTPUT);
+  Serial.begin(9600);
+  //繋げた導体の状態で初期値が変わるので、それを保存しておく必要がある
+  ref = ADCTouch.read(A0, 100);  //(使用するピン番号,平均を取るサンプル数)
+}
+void loop() {
+  int val = ADCTouch.read(A0, 100) - ref;
+  if (val > 40) {
+    digitalWrite(LED_BUILTIN, HIGH);
+  } else {
+    digitalWrite(LED_BUILTIN, LOW);
+  }
+  Serial.println(val);
+  delay(40);
+}
+```
+
+### ADCTouch_Mouse
+
+{{< button href="./ADCTouch_Mouse/ADCTouch_Mouse.ino">}}DL{{< /button >}}
+
+```cpp
+#include <ADCTouch.h>
+
+const int upButton = A0;
+const int downButton = A1;
+const int leftButton = A2;
+const int rightButton = A3;
+const int mouseButton = A4;
+int ref_up = 0;
+int ref_down = 0;
+int ref_left = 0;
+int ref_right = 0;
+int ref_mouse = 0;
+
+int range = 10;         // マウスカーソルの移動幅
+
+void setup() {
+  pinMode(upButton, INPUT);
+  pinMode(downButton, INPUT);
+  pinMode(leftButton, INPUT);
+  pinMode(rightButton, INPUT);
+  pinMode(mouseButton, INPUT);
+
+  ref_up = ADCTouch.read(upButton, 100);
+  ref_down = ADCTouch.read(downButton, 100);
+  ref_left = ADCTouch.read(leftButton, 100);
+  ref_right = ADCTouch.read(rightButton, 100);
+  ref_mouse = ADCTouch.read(mouseButton, 100);
+
+  Serial.begin(9600);
+}
+
+//マウス移動に関する処理をひとまとめに
+void moveMouse(int x, int y, int mouse_state) {
+  Serial.print(x);
+  Serial.print(" ");
+  Serial.print(y);
+  Serial.print(" ");
+  Serial.println(mouse_state);
+}
+
+void loop() {
+  // ボタンの検出
+  int v1 = ADCTouch.read(upButton, 100) - ref_up;
+  int v2 = ADCTouch.read(downButton, 100) - ref_down;
+  int v3 = ADCTouch.read(leftButton, 100) - ref_left;
+  int v4 = ADCTouch.read(rightButton, 100) - ref_right;
+  int v5 = ADCTouch.read(mouseButton, 100) - ref_mouse;
+  //40以上ならクリックしたとみなし、1を、40以下なら0を
+  // A ? B : C;はif (A) { return B;} else {return C;} の略記(三項演算子)
+  int upState = v1 > 40 ? 1 : 0;
+  int downState = v2 > 40 ? 1 : 0;
+  int rightState = v3 > 40 ? 1 : 0;
+  int leftState = v4 > 40 ? 1 : 0;
+  int clickState = v5 > 40 ? 1 : 0;
+  // 移動距離を算出（左右同時押しも考慮）
+  int xDistance = (leftState - rightState) * range;
+  int yDistance = (upState - downState) * range;
+
+  //移動もクリックもしてないならシリアル送信は冗長なので、しない
+  // &&　は　AND、!はNOT
+  if (!(xDistance == 0 && yDistance == 0 && clickState == 0)) {
+    moveMouse(xDistance, yDistance, clickState);
+  }
+  delay(5);
+}
+```
+
+### DrunkMouse(Add Randomness)
+
+{{< button href="./DrunkMouse/DrunkMouse.ino">}}DL{{< /button >}}
+
+### ADCTouch_Mouse_HID.ino (Only works for Leonardo and Pro Micro)
+
+{{< button href="./ADCTouch_Mouse_HID/ADCTouch_Mouse_HID.ino">}}DL{{< /button >}}
+
+### ADCTouch_Mouse_scroll.ino(works only with `move_relative_scroll.command`)
+
+{{< button href="./ADCTouch_Mouse_scroll/ADCTouch_Mouse_scroll.ino">}}DL{{< /button >}}
\ No newline at end of file
diff --git a/content/docs/2023/code-design/9/index.md b/content/docs/2023/code-design/9/index.md
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+---
+title: 第9週
+date: 2023-06-09
+weight: 9
+---
+
+# 2023年　東京藝術大学 芸術情報センター開設科目　「コードとデザイン」 第9回
+
+## スライド
+
+{{< button href="2023-code-and-design-9.pdf">}}スライド（PDF）{{< /button >}}
+
+{{< button href="slides">}}スライド（HTML）{{< /button >}}
+
+
+## Arduinoサンプルコード
+
+{{< preview_code href="examples/tone_minimal/tone_minimal.ino" type= "ino">}}
+
+{{< preview_code href="examples/tone_random_flip/tone_random_flip.ino" type= "ino">}}
+
+{{< preview_code href="examples/mozzi_sine/mozzi_sine.ino" type= "ino">}}
+
+{{< preview_code href="examples/mozzi_envelope/mozzi_envelope.ino" type= "ino">}}
+
+{{< preview_code href="examples/mozzi_reich/mozzi_reich.ino" type= "ino">}}
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diff --git a/content/docs/2023/code-design/9/slides/index.en.md b/content/docs/2023/code-design/9/slides/index.en.md
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--- /dev/null
+++ b/content/docs/2023/code-design/9/slides/index.en.md
@@ -0,0 +1,10 @@
+---
+title: "Code and Design 2023 class 9 Slides"
+date: 2023-06-09
+bookHidden: true
+---
+
+
+# Slides
+
+{{< slides_jpg >}}
\ No newline at end of file
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+++ b/content/docs/2023/code-design/9/slides/index.md
@@ -0,0 +1,10 @@
+---
+title: "コードとデザイン 2023年 第9回 スライド"
+date: 2023-06-09
+bookHidden: true
+---
+
+
+# スライド
+
+{{< slides_jpg >}}
\ No newline at end of file
diff --git a/content/docs/2023/code-design/_index.en.md b/content/docs/2023/code-design/_index.en.md
index 44a9a6d..f8118dd 100644
--- a/content/docs/2023/code-design/_index.en.md
+++ b/content/docs/2023/code-design/_index.en.md
@@ -41,7 +41,7 @@ In addition, by learning how to convert data and materials into each other throu
 6. [(5/19) Software and Algorithm - Let's try using Arduino](./6)
 7. [(5/26) Considering Inputs (Make Unreasonable Mouse)](./7)
 8. [(6/2) Considering Inputs 2 - Combining Processing and Arduino, OOP (PONG for One)](./8)
-9. (6/9) Cartesian Robot and Digital Fabrication (Plotter, Laser Cutter)
+9. [(6/9) Considering Outputs - Generating Sound with Arduino](./9)
 10. (6/16) Cartesian Robot and Digital Fabrication (3D Printer and G-code Hack)
 11. (6/23) Studio Work 1. Consultation
 12. (6/30) Studio Work 2. Work
diff --git a/content/docs/2023/code-design/_index.md b/content/docs/2023/code-design/_index.md
index a3917d6..65a6128 100644
--- a/content/docs/2023/code-design/_index.md
+++ b/content/docs/2023/code-design/_index.md
@@ -42,7 +42,7 @@ bookCollapseSection: true
 6. [(5/19) ソフトウェアとアルゴリズムーArduinoを使ってみよう](./6)
 7. [(5/26) 入力を考える（不条理なマウスを作る）](./7)
 8. [(6/2) 入力を考える2 - ProcessingとArduinoの連携、オブジェクト指向プログラミング（一人用PONG）](./8)
-9. (6/9) Cartesian Robotとデジタルファブリケーション（プロッター、レーザーカッター）
+9. [(6/9) 出力を考える - Arduinoでの音声プログラミング](./9)
 10. (6/16) Cartesian Robotとデジタルファブリケーション (3DプリンターとGコードハック)
 11. (6/23) 制作①相談
 12. (6/30) 制作②作業