- EBU QC ID
- 0001F
- Name
- Active Format Description
- Status
- published
- Category
- absolute
- Lead editor
- Roberto Borgotallo (RAI Radiotelevisione Italiana S.p.A.)
- Aliases
- active format descriptor AFD
- Tags
- video
| Version | Status | Edition date | Saved by | Note |
|---|
- Definition
- System shall check the presence and value of the Active Format Description (AFD), which describes the aspect ratio of the active picture, and safe cut-out areas.
- CheckResult definition v3
- not in this version
- Analysis method v3
- not in this version
- References
-
-
ISO/IEC 13818-2
Remark: MPEG-2 Video
-
ISO/IEC 14496-10
Remark: H.264
-
SMPTE ST 2016-1
Remark: Format for Active Format Description and Bar Data
-
- Examples
-
-
input: "Active Format Description Expected" = 10 (16:9)
Output: "Active Format Description Absent" = False
Output: "Active Format Description" = True
Output: "Active Format Description Value" = 9
Output: "Active Format Description Desc" =
"In a 4:3 coded frame: Full frame 4:3 image, the same as the coded frame.
In a 16:9 coded frame: Pillarbox 4:3 image, horizontally centered in the coded frame" -
Input: "Active Format Description Expected" = 15 (16:9 with alternative 14:9)
Output: "Active Format Description Absent" = False
Output: "Active Format Description" = True
Output: "Active Format Description Value" = 10
Output: "Active Format Description Desc" =
"In a 4:3 coded frame: Letterbox 16:9 image, vertically centered in the coded frame with all image areas protected.
In a 16:9 coded frame: Full frame 16:9 image with all image areas protected."
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No Organisation has tagged this Item.
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- Remarks
| Title | Author | Last update |
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Colour key: v3 Only in API v3 (data model 2026-04); v1/v2 only Only for API v1/v2 (legacy versions); derived, read-only; untinted: both.