Why do slides look clear on your screen but become “hard to read” in video? Many teachers, creators, and educational content makers have experienced this: The problem is not the content, and in most cases, it’s not your camera either. This article will help you: 1. Understand the root causes Before fixing the issue, let’s understand why it happens. 1️⃣ Slides are designed for the wrong context Many slides are created with the assumption that: As a result: When converted into video—especially for mobile viewing—these slides become difficult or impossible to read. 2️⃣ Recording the entire screen instead of just the slide This is a very common mistake. If you […]
スライド動画で「見やすく・整った・プロフェッショナル」に見えるフォントの選び方
When recording lectures, workshops, or online courses, many people focus on content and voice delivery, but overlook a factor that directly impacts the viewer’s experience: the font used on slides. This guide will help you choose fonts for video slides that are: Why fonts matter more for recorded slides than live presentations Slides for live presentation and slides for recorded video are not the same. When learners watch video lessons: 👉 Therefore, fonts in recorded slides need to be: A font that looks great in PowerPoint or Keynote may not work well in recorded video. Core principles for choosing fonts for video slides 1. Prioritize readability over aesthetics Fonts for […]
1つのレッスンには動画はいくつあれば十分か?
When building an online course, many instructors and creators share the same concern: 👉 How many videos are just enough so learners don’t feel overwhelmed but can still fully understand the content? This is not just a technical question — it’s a question about the learning experience. If videos are divided poorly, a lesson can easily fall into one of two extremes: This article analyzes the issue objectively, based on real learner behavior, not trends or personal preference. It’s relevant for instructors, creators, and even teams building learning platforms like Ourdemy. 1. The Right Question Isn’t “How Many Videos?” — It’s “What’s the Learning Goal?” The most common mistake in […]
AIで講義動画の字幕を作成する:オンライン講師のための時間節約ソリューション
In the past, creating subtitles for lecture videos required significant time, cost, and effort. Today, with the help of AI-powered speech recognition, the process has become faster, more accurate, and more accessible than ever. This article explores the role of subtitles in online education, how AI supports subtitle creation, and key considerations when applying it in real teaching scenarios. Why Are Subtitles Becoming More Important in Lecture Videos? Subtitles are not just for the hearing impaired. In online learning environments, they provide more value than many people realize. 1. Improve Learning Comprehension Not everyone learns effectively through listening alone. Subtitles help learners: 2. Support Multilingual Learners For courses with international […]
動画撮影中に言い間違えたり言葉を忘れたりしたときの対処法(それでもプロらしく見せるために)
Forgetting your lines, stumbling over words, repeating yourself, or “freezing” mid-sentence is completely normal when recording a video — even for experienced content creators. The issue isn’t whether you make mistakes, but how you handle them. This article will help you: 1. First: Making mistakes does not reduce your video’s value A common but mistaken belief: “A good video is one that flows perfectly from beginning to end.” In reality: 👉 Your goal is not to never make mistakes, but to manage the viewer’s experience. 2. 5 Common Situations While Filming (and How to Handle Them) Situation 1: Minor stumble, 1–2 wrong words Example: “In this lesson we’ll learn how […]
チュートリアル動画を撮るとき、台本を書くべきか?それとも自然に話すべきか?
When starting to create tutorial videos, many creators—online instructors, course sellers, and marketers alike—get stuck on the same question: “Should I write a script beforehand, or just turn on the camera and speak naturally?” This article provides a neutral analysis of both approaches, explains when to use each one, and introduces a third method commonly used by professional creators. 1. Why This Question Matters for Tutorial Videos Tutorial videos are very different from live speaking or livestreaming: Because of this, how you prepare and deliver your content directly affects: 2. Quick Comparison: Scripted vs. Natural Speaking Criteria Scripted Natural Speaking Content clarity High Medium Natural feel Medium High Suitable for […]
カメラの前で話すのが苦手な場合:教師はどう始めればいい?
“I teach well in the classroom, but the moment I turn on the camera… I freeze.” If you’ve ever thought that, you’re not alone. Many teachers, lecturers, and mentors are highly competent in their field but still feel uncomfortable speaking on camera. This doesn’t reflect your teaching ability — it usually comes from not being used to a new format of communication. This article will help you: Why Is Speaking on Camera So Difficult? It’s not hard because you’re bad at it — it’s hard because the context has changed. 1. The Camera Gives No Feedback In a classroom, you see eye contact, nods, and reactions. A camera is… silent. […]
オンライン講座は長尺動画と短尺動画、どちらで作るべき?
It may seem like a purely “technical” question, but it actually relates directly to your course goals, learner behavior, and how you build long-term content value. When starting an online course, many instructors and creators wonder: 👉 Should I record one long video to cover everything thoroughly, or break it into multiple shorter videos to make it easier for learners to follow? There is no universally correct answer. The decision depends on: This article offers a neutral analysis, without favoring any “camp,” to help you: What Is the Core Difference Between Long and Short Videos? Before choosing, clarify this: the difference is not simply about duration, but about the role […]
講義動画の見栄えがイマイチ?もしかすると、こんなミスをしているかもしれません
When Good Content Is Dragged Down by Poor Visual Quality Many teachers who start creating online courses share the same experience: Even though they prepare carefully, the final video result doesn’t meet expectations. In reality, poor image quality rarely comes from not having expensive equipment. Most problems come from very basic mistakes during the recording process — and nearly all of them can be improved immediately. This article will help you: 1. Using a Webcam or Camera Without Controlling Lighting This is the most common mistake. Many instructors record in their usual workspace, turn on the webcam, and start recording. The result: Simple Fix: 👉 With better lighting alone, your […]
How to create a quiz using AI directly on the system?
1 管理者ダッシュボードからコースをクリックします。 2 クイズを作成したいコース名をクリックします。例:コーステスト 3 講義一覧を開くには、カリキュラムをクリックします。 4 AIでクイズを生成機能を開くには、アイコンをクリックします。注意:AIを使用したクイズ作成は、講義を動画アップロード形式で登録した場合のみ利用できます。 5 このフィールドでクイズタイトルを設定します。 6 問題数を変更するには、アイコンをクリックします。 7 クイズ形式を選択するには、単一選択をクリックします。 8 AIによるクイズ生成を開始するには、生成をクリックします。 9 AIが自動でクイズを作成するまでお待ちください。すべての問題内容を確認し、完了するにはクイズを作成をクリックします。








