What are the technical requirements for YouTube ad video content?

To ensure that your video content meets YouTube's technical requirements for ads, here are the key specifications:

1. **File Format**: YouTube accepts video files in .MP4, .MOV, .GIF, .AVI, or .WMV formats.

2. **Resolution and Aspect Ratio**:
   - Recommended resolutions include 426x240 (240p), 640x360 (360p), 854x480 (480p), 1280x720 (720p), and 1920x1080 (1080p).
   - Aspect ratios should be either 16:9 or 4:3.

3. **File Size**: Maximum file size is 1 GB.

4. **Video Length**: Typically, YouTube ads are short. The recommended length for most ads is under 3 minutes. However, for non-skippable ads, the maximum length is 15-20 seconds.

5. **Frame Rate**: The frame rate should be either 24, 25, 30, 48, 50, or 60 frames per second (FPS).

6. **Audio**: The audio codec should be AAC or MP3 format, with a sample rate of 44.1 kHz or 48 kHz.

7. **Bitrate**: YouTube recommends the following bitrates for video uploads:
   - Standard Definition (360p): 4000 kbps
   - High Definition (720p): 5000 kbps
   - Full HD (1080p): 8000 kbps
   - 2K (1440p): 16000 kbps
   - 4K (2160p): 20000 kbps

8. **Color Space**: Videos should be in the RGB color space.

9. **Closed Captions**: For accessibility, consider adding closed captions (subtitles).

10. **Ad Formats**: YouTube supports various ad formats, including skippable and non-skippable in-stream ads, bumper ads (6 seconds), overlay ads, display ads, and sponsored cards.

11. **Content Guidelines**: Ensure your video content complies with YouTube's advertising policies, which prohibit certain types of content (e.g., adult content, dangerous activities, misleading claims).

Adherence to these technical requirements ensures that your video ad will be compatible with YouTube's platform and can be effectively delivered to your target audience.