YouTube Non-Skippable In-Stream ads are horizontal 16:9 video clips, measured at 1920×1080 px, up to 60 seconds long, delivered as MP4. They run in the In-Stream placement on YouTube. Encode with H.264 video with AAC audio at 30 fps for clean playback across devices. Mix audio to -24 LUFS.
| Dimensions | 1920 × 1080 px |
|---|---|
| Aspect ratios | 16:9 |
| Orientation | landscape |
| File types | MP4 |
| Max duration | 60 sec |
|---|---|
| Video codec | H.264 |
| Frame rate | 30 fps |
| Audio codec | AAC |
| Audio channels | stereo (2) |
| Loudness | -24 LUFS |
Non-skippable in-stream ads are 60 seconds or shorter.
Official source: https://support.google.com/google-ads/answer/2375464