When starting to teach online, the biggest question for many instructors isn’t what to teach, but where to teach. Among today’s popular options, Street Academy (street-academy.com) and Ourdemy (ourdemy.com) represent two very different approaches: This article provides a neutral comparison of the pros and cons of Street Academy and Ourdemy, helping teachers evaluate and choose the platform that best fits their goals. Quick Overview of Both Platforms What is Street Academy? Street Academy is a platform that connects teachers and learners through a marketplace model. Instructors can quickly launch classes across a wide range of topics—from soft skills and business to lifestyle and short workshops. Key characteristics: What is Ourdemy? […]
なぜ受講者は講義動画の視聴を途中でやめてしまうのか?
A high video drop-off rate doesn’t just reduce learning effectiveness—it can also lower course completion rates and overall learner satisfaction. So what are the real reasons behind it? This article explores common causes from the perspective of learner behavior and online learning experience design. When Do Learners Usually Leave? Across many online learning platforms, learners tend to stop watching at three key points: The common pattern is: 👉 Learners don’t feel like they’re making progress. When progress isn’t visible, it’s easy to pause—and never come back. 1. The Video Doesn’t Show Value Quickly Enough Many people assume learners leave because videos are too long. In reality, length alone is rarely […]
講義動画の締め方:学習者が次のレッスンへ進むために(離脱させないために)
In many online courses, a lot of effort goes into crafting the introduction, while the ending of the video is often overlooked. In reality, this is one of the key factors that directly influences whether learners continue to the next lesson. This article analyzes how to design video endings that are natural, effective, and aligned with modern online learning experiences — without relying on complex marketing techniques. Common Mistakes When Ending Lecture Videos Before discussing best practices, let’s look at some common mistakes. 1. Ending Too Abruptly Example: “Okay, that’s it. See you next time.” Learners are left unsure about: 2. Overly Long Recap Some instructors repeat the entire lesson […]
AIで講義動画をテキストに要約する方法
Why is the demand for video summarization increasing? Video is an accessible format, but it’s not optimal for searching and referencing. A 60-minute video can contain dozens of valuable insights, but: What can AI video summarization actually do? Typically, the process includes three steps: The main difference between tools lies in how well they understand context and structure—especially for long, terminology-heavy educational content. Practical benefits of turning lecture videos into text 1. Faster learning and more effective review A good summary helps learners: Text doesn’t replace video—but it makes video much easier to use. 2. Improved accessibility Text makes content more flexible and accessible to a wider audience. 3. Easier […]
録画前に確認したい音声チェックのポイント
A video can still be acceptable if the lighting isn’t perfect or the camera angle isn’t ideal. But if: viewers will often leave within just a few seconds. Especially for lecture videos or educational content, audio quality directly affects how well learners can understand and absorb the material. The good news is: you don’t need expensive equipment or advanced knowledge to check audio effectively. With a quick pre-recording checklist, you can avoid most common issues from the start. This article shows a simple, practical way to check audio — ideal for creators and teachers recording videos at home. Most Common Audio Problems Before going into the checklist, let’s look at […]
講義動画は「別録り音声」か「撮影しながら話す」か?
There’s No “One Perfect Method” When starting to record lecture videos, many instructors face a familiar choice: 👉 Should you record your voice separately and then add it to the video? 👉 Or should you speak live while filming? This isn’t just a technical decision. The approach you choose directly affects: The key point is: there is no single best method for everyone. This article will help you understand the pros and cons of each approach so you can choose the workflow that fits you best. 1. Two Common Workflows for Creating Lecture Videos Today, most creators and online instructors use one of these two approaches. Method 1 — Live […]
動画収録時、スライドの文字数はどれくらいが適切?
Are text-heavy slides really “more complete”? When recording lecture videos, many instructors share the same concern: It sounds reasonable — but in reality, the opposite is often true. 👉 The more text on a slide, the harder the video is to learn from. In this article, you’ll understand: 1. Why does the amount of text on a slide matter in videos? Slides in video lectures don’t function the same way as in live presentations. When learning through video: 📌 In video lectures, slides are not meant to contain all the content — they support the spoken explanation. 2. Slides for video ≠ slides for documents This is one of the […]
スライドを撮影しても文字が小さく・ぼやけないための方法
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 […]









