Partnered and Branded Content: Asset Guidelines

BBC StoryWorks accepts media for transcode only if it is in one of the formats listed below.

If you have a case for using another format please let us know and we'll work with you to resolve your request, although this may lead to longer production times.

For any enquiries please contact one of the below:

  • EMEA –
  • Asia –
  • Australia -
  • North America –



Pro Res Assets (for storing)

We require delivery of working files so that we can edit at a later date, used for localisation and use for ATL exposure:


  • .MP4 container or .Mov container
  • Pro Res compression
  • 1920 x 1080 aspect ratio (1080p HD)
  • Split track Audio (Music and VO on separate tracks)
  • Any subtitling to be delivered in an SRT file, all video to be delivered clean

Pagebuilder and

Key Notes:

  • There is a 50GB file size limit for uploading video, however ideally all videos should be web optimized
  • You can provide HD (1080) but it will lose that quality in the transcode and slow the system down needlessly for all users, so please use the following



  • .MP4 container or .Mov container
  • H.264 compression
  • 1280 x 720 aspect ratio (720p)
  • Max 500MB
  • Min RF 20
  • it rate / Quality: 5Mbps CBR minimum / Constant



  • Codec: AAC
  • Channels: Stereo


Pre Roll and Ad units

  • Aspect Ration: 640 x 360
  • Container: Mp.4
  • Max file size 1.1mb


TV Broadcast

Digital Delivery:

  • Media should be 4:3 SAFE for TV broadcast in 16:9 ration (pillar box only if absolutely necessary)
  • Compression: Pro Res
  •  Email: for details of FTP site to upload or send link
  • FTP Folder: Incoming/BBC World News
  • File naming: No spaces in title
  • Delivery 5 working days (not editorially complied) 2 working days (editorially complied)


Non Video Assets

Acceptable audio input formats

  • There is a 50 GB file size limit for uploading audio.
  • Clips MUST be longer than 1-second to avoid issues when attempting to input.
  • MPEG Audio - version 1 (standard MP3 file) 192kbps .mp3
  • Wave - PCM - Microsoft .wav


Acceptable image input formats

  • There is a 4 MB file size limit for uploading images. Image width is limited to 2054 pixels.
  • JPG
  • (not PNG, SVG or GIF)
  • SMP/EMP: You must ensure that the image is in the correct aspect ratio (16:9 - landscape) and the correct size (1920 x 1080 is current guidance from iPlayer picture editors)

Acceptable Logo Formats

Two formats to be supplied:

  • JPEG 88 x 31 pixels for Partnered Content only
  • And as above (acceptable image formats)