Published Modified
Channel 4 Sales TV Commercial (Linear & Streaming) ad specs
Channel 4 Sales TV Commercial (Linear & Streaming) ads are horizontal 16:9 video clips, measured at 1920×1080 px, delivered as MXF. They run in the Channel 4, E4, More4, Film4, 4seven, UKTV and Narrative channels, and Channel 4 Streaming · Commercial break placement on Channel 4 Sales. Encode with AS-11 X6 UK DPP HD (1080i/25, 4:2:2) video with PCM audio at up to 25 fps.
- 1920×1080 px
- 16:9
Visual
- Dimensions
- 1920 × 1080 px
- Aspect ratios
- 16:9
- File types
- MXF
Video & audio
- Video codec
- AS-11 X6 UK DPP HD (1080i/25, 4:2:2)
- Frame rate
- 25 fps
- Audio codec
- PCM
- Channels
- stereo
- Sample rate
- 48 000 Hz
Safe zone
- Top
- 5%
- Bottom
- 5%
- Sides
- 10%
Notes & source
- Clearcast approval required for linear and streaming (BCAP code)
- Deliver through Cape.io, Clearcast or Extreme Reach made to their technical specifications, and send copy instructions through CARIA
- Approved third-party impression trackers for streaming (VOD): Flashtalking and DoubleClick
- Other vendors through your account manager
- HD file in the AMWA AS-11 X6 UK DPP HD format: 1080i/25, 4:2:2
- Material may be shot progressive but is delivered interlaced
- Loudness per EBU R128 s1 for commercials (R128 for infomercials), measured in EBU integrated mode over the whole item: −23 LUFS ±0.2 LU, true peak fails above −1 dBTP (−3 dBTP recommended), short-term loudness at most −18 LUFS
- Stereo final mix on the first audio essence track
- The optional audio description goes on the second track (BBC WHP 198), otherwise silent
- Start of message at 10:00:00:00 after a 7-second clock or slate and 3 seconds of black and silence
- At least 6 frames of silence at start and end
- Captions inside the EBU R95 16:9 caption-safe area (80% of width, 90% of height)
- BCAP superimposed-text rules apply
- Must pass a PSE (photosensitive epilepsy) test to ITU-R BT.1702-2 or -3
- File name is the Clearcast clock number in upper case with a lower-case .mxf
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