0220W - White Ref Level
v2.0
published
0220W
v2.0
WHITE REF LEVEL
White Reference Level
User Profile
Meets Requirements
Expected/Unexpected Values
https://qc.ebu.io/items/0220W/versions/2-0-0/
Check
Report
Summary
- EBU QC Id
- 0220W
- Name
- White Ref Level
- Status
- published
- Category
- absolute
- Lead editor
- Jens SCHNEEWEISS
- Aliases
- White Reference Level
- Tags
- video MXF MXF-only
Versions
Version | Status | Edition date | Saved by | Note |
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Details
- Description
- Specifies the digital luminance value associated with white.
- Definition
- Used in Checks, the system shall read out the value indicated in the wrapper metadata and check if it matches the expected one specified in the input. Optionally, the system may report the value.
Used in Reports, the system shall read out the value indicated in the wrapper metadata and report it. - References
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Remark: MXF G.2.33 White Ref Level
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Remark: Such as the ARD-ZDF profile
- Examples
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Input: "White Ref Level Expected" = 235
Output: "Check Result" = false
Output: "White Ref Level" = 940Remark: Used as a Check
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Output: "White Ref Level" = 940
Remark: Used as a Report
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Input parameters
Name | Default value | Description | Data model name | Unit | Locator |
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Output parameters
Name | Alias | Description | Data model name | Unit | Locator |
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Test material
Title | Version | Download |
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Remarks
- Remarks
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Examples:
For ITU-R BT.601, 8-bit video, the value is 235;
For ITU-R BT.601-7, 10-bit video, the value is 940.
This card is a Read Out only and includes no Measurement. For the Measurement version, see EBU QC Test Item 0051B.
User discussions
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