Overlay Size Specifications
Image Overlays and Graphics
When creating images for your STAGE TEN broadcast, use the sizes specified above. You can build these in your favourite image creating program (Photoshop. Canva, Illustrator, etc).
PNGs support transparency, allowing you to place graphics anywhere on screen and set the level of opacity.
JPGs can be used if you don't need transparency.
To view overlay examples you can download a package of sample assets here.
Video Overlays and Graphics
You can also use video as overlays and graphics, which also need to follow the size guidelines, and should be set at 720p.
MP4s can be used as Lower Third or Watermark overlays based on the size chart above. For video encoding settings, see below.
WEBMs can be used as Lower Third, Watermark, or Full Screen overlays due to their support of transparency. To learn more about how to create WEBMs, see below.
Videos should use the following settings:
- File type: MP4
Optimal video settings:
- Codec: H.264
- Profile: Baseline
- Level: 41
- Keyframe Interval: 1 keyframe/second
- B-Frames: 0
- Bitrate Range: 1500 - 4000 Kbps (1.5 - 4.0 Mbps)
- Resolution (Maximum): 1280x720 (720p)
- Frame Rate: 30 FPS
Optimal audio settings:
- Codec: AAC
- Profile: LC
- Sample Rate: 48000
- Bitrate: 96 - 160 Kbps
IMPORTANT: Make sure that your video clips have an audio track, even if there is no sound.
How to build WEBMs (Videos with Transparent Background)
Note: The following workflow is specific to converting videos that were created in After Effects.
- Make sure the transparency grid is toggled on in your composition. A white and grey grid will show.
- Create your overlay
- When adding to the Render Queue, select the following settings:
Video Output: RGB + Alpha
Format Options: Animation
•Output To: name your .mov, then Render.
- The QuickTime movie file you've created can now be converted to a WEBM by using a MOV to WEBM online converter: https://www.aconvert.com/video/mov-to-webm/