# 錄音與播放

### MakeCode編程教學

在MakeCode打開專案，點擊擴展一頁。

<figure><img src="https://kittenbothk.readthedocs.io/en/latest/_images/16-1.png" alt=""><figcaption></figcaption></figure>

在搜尋欄輸入koi 2。

<figure><img src="/files/v8PGKqCshXiZsiXziuOs" alt=""><figcaption></figcaption></figure>

加載成功後，積木欄會新增koi2的積木。

<figure><img src="/files/nGf4RzfogJMXUu8gAZwE" alt=""><figcaption></figcaption></figure>

### 編程積木

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FQAKH0swJ9etd62AIfV4u%2Fimage.png?alt=media&#x26;token=71c6751c-de4c-42d1-8f44-63328568e674" alt=""><figcaption></figcaption></figure>

### 參考程式

{% hint style="info" %}
錄音與播放功能需要高速Micro SD卡(class 10或以上)，KOI原廠不配備SD卡，有需要的請自行預備。
{% endhint %}

{% hint style="info" %}
Armourbit用家請使用初始化Armourbit積木。
{% endhint %}

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FPGyECwlPd2M3JqUBLDfO%2Fimage.png?alt=media&#x26;token=662ace3f-a8eb-4fbf-8a10-1d9643c88b1e" alt=""><figcaption></figcaption></figure>

{% embed url="<https://makecode.microbit.org/_Ug9RsvXpe8fg>" %}

[參考程式](https://makecode.microbit.org/_Ug9RsvXpe8fg)

#### 程式解說

1. 按下B鍵，KOI會進行3秒的錄音並儲存為testing.wav。
2. 按下A鍵，KOI會播放SD卡中名為testing.wav的檔案。


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