Video file output technical specs

Please contact the Web Team for advice and guidance on file formats and audio and video encoding specifications.

YouTube

1080p HD broadcast format (1920 x 1080 with a 16:9 aspect ratio)
MPEG-2 or MPEG-4 format
Video codec: H.264
Audio codec: AAC
Audio bitrate: 128 kbps or better
Framerate: native frame rate without resampling
Aspect ratio: native aspect ratios

The National Archives media player

Please contact the web team for file format specs