Video abstracts

Technical specs for videos

Minimum specifications are as follows:

  • Frame rate: 25 frames per second
  • Widescreen (16:9) projects (the shape of our player)

YES:  16:9 widescreen format

NO:  4:3 square format

  • One of the following formats: .mov, .mpg, .avi, or .mp4 (.mp4 preferred)
  • Frame size: minimum of 720 x 576 pixels (PAL)
  • HD welcomed: minimum = 1280p x 720p; maximum = 1920p x 1080p
  • Video codec: H.264
  • Video bitrate: minimum of 3 Mbps
  • Audio codec: AAC
  • Audio Frequency: 48000 Hz
  • Audio bitrate: minimum of 128 kbps

Read more about video compression here.

If you have any questions, please email multimedia.journals@bmj.com  and our Journals Multimedia Editor, Leticia Amorim, will get in touch with you.