Expected pre-recorded video file format
| Container | MP4 |
| File extension | .mp4 |
| Video codec | H264 (Profil High, Level 4.2) |
| Video resolution | 1920x1080 (1080x1920 for 9:16 ratio) |
| Video interlacing | Progressive |
| Video frame rate | 25 or 30 fps |
| Video bitrate | 10 to 17 Mbps - Constant Bitrate (CBR) |
| Audio codec | AAC |
| Audio tracks / Channels |
1 track / 1 or 2 channels |
| Audio sampling rate | 44,1 - 48kHz |
| Audio bitrate | 128 - 256 kbps |
These parameters are intentionally chosen to provide the best balance between quality, compatibility and performance:
Excellent visual quality for Full HD (1080p) content
Maximum device compatibility (desktop, mobile, tablets, smart TVs, set‑top boxes)
Predictable playback performance, including hardware decoding
Optimized storage, bandwidth usage and transfer times
For video content with alpha channel a Apple ProRes 4444 encoding is requiererd