Technical specifications for video abstracts
Video abstracts must meet minimum standards of quality for both video and audio components. In creating a video abstract, you are asked to meet the following specifications:
Frame rate: 25–30 frames per second
Aspect ratio: 16:9 or 4:3, square pixels, deinterlaced
Frame size: (minimum) 320 × 240 pixels
Format: .mov, .mpg, or .mp4
Video codec: H.264, mp2, mp4
Video encoding: 2 pass H.264 preferred
Keyframe: at least every six seconds
Video bitrate: 480–2672 kbps
Audio bitrate: 16-bit AAC audio at a sampling frequency of 44.1 kHz
Bitrate of 192 kbps
Maximum file size: 100 MB.
Please note: all video abstracts will be assessed for editorial suitability and quality. Video abstracts that do not meet the above criteria will not be published.