# 影片畫面呈現

影像解析度足夠且畫面清晰，建議影片畫質設定為 1080p 為佳，最低為 720p。如果老師需要以 PPT、Keynote 等簡報畫面講解並同時進行螢幕錄影，請記得將簡報的長寬比例設定為 16：9。

影片畫面若使用投影片呈現，務必注意字級、排版及配色，以學生可以舒適閱讀為主

注意影像畫面／圖片／音樂／入鏡人物肖像／字體等的使用版權，若有需要標明出處之內容，需依照規定。

拍攝人像時，請注意光線的亮度、背景必須為整齊或素色，老師需打扮整齊。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://abovefintech.gitbook.io/teacher-book-above/kai-shi-bei-ke/video/visual.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.