Using thumbnail images in Kaltura

Transcript

hello i'm james clark from the department of physiology at king's college london and in this short video i'm going to look at some ways of making your kaltura videos look a little bit more appealing by the use of thumbnail images when you upload your video to kaltura it will automatically generate a thumbnail to represent that video you can see som... Read More

Key Insights

• 🎮 Kaltura automatically generates thumbnails for uploaded videos, but they may not accurately represent the content.
• 🤪 Users can change and add their own thumbnails by going to the editing window of each video.
• 🎮 Creating custom thumbnails is simple using programs like PowerPoint and can greatly enhance the appearance of videos.
• 🫵 Custom thumbnails can also be used for chapter navigation, making it easier for viewers to navigate through different sections of a video.
• 🎮 Adding branding elements, such as logos, to custom thumbnails can help improve the overall presentation of videos.
• ✋ Choosing high-resolution images for thumbnails ensures optimal quality.
• 🫵 Custom thumbnails can provide a more professional and visually appealing experience for viewers.

Questions & Answers

Q: How do you change a video thumbnail in Kaltura?

Open the video’s editing window and select the Thumbnails section. You can upload a custom thumbnail, capture one, auto-generate options from the video timeline, or download the existing thumbnail.

Q: How does Kaltura generate thumbnails for uploaded videos?

Kaltura automatically selects a thumbnail from the video timeline after upload. Because that selection may not represent the talk or presentation well, you can replace it or ask Kaltura to generate a series of frames to choose from.

Q: How can you create a custom Kaltura thumbnail in PowerPoint?

Create a PowerPoint slide with the desired background, text, and branding, then choose File, Export, and JPEG. The tutorial sets the exported image’s height to 1080 pixels before uploading it to Kaltura.

Q: How do you upload a custom thumbnail to Kaltura?

In the video editor’s Thumbnails section, choose Upload Thumbnail and select the exported image from your computer. Once uploaded, the new image represents the video and also appears with it in the gallery.

Q: What thumbnail options are available in the Kaltura editor?

The Thumbnails section lets you upload a thumbnail, capture a thumbnail, auto-generate one, or download the existing image to your hard disk. Auto-generate scans the timeline and presents several video frames for selection.

Q: Can custom thumbnails be used for Kaltura chapter navigation?

Yes. You can select each chapter marker and replace its automatically generated image with a custom thumbnail, giving chapters a simpler and more consistent background.

Q: How do you save a new thumbnail for a Kaltura chapter marker?

Select the video and the relevant chapter marker, then upload the replacement image from your computer. After it uploads, remember to save the picture and then save the chapter.

Q: Why replace Kaltura’s automatically generated chapter thumbnails?

Automatically generated chapter images may show blank, partially built, complicated, or unreadably small slides. Simpler custom images allow the chapter name and brief description to appear clearly, making the chapters easier for students to navigate.

Summary & Key Takeaways

• Kaltura automatically generates thumbnails for uploaded videos, but these may not accurately represent the content. Users can change and add their own thumbnails through the editing window.

• Creating custom thumbnails is easy using a program like PowerPoint. By exporting a slide as a JPEG, users can upload it as a thumbnail to Kaltura.

• Custom thumbnails can also be used for chapter navigation, replacing default thumbnails for each chapter marker to create a more visually appealing and user-friendly experience.