0100B - Low Level Detail Loss
v1.0
published
0100B
v1.0
LOW LEVEL DETAIL LOSS
Crushed Blacks
Lack of Detail in Black
Full Low Level Details
Location
https://qc.ebu.io/items/0100B/versions/1-0-0/
Check
Report
Summary
- EBU QC Id
- 0100B
- Name
- Low Level Detail Loss
- Status
- published
- Category
- subjective
- Lead editor
- Annabel Polanco
- Aliases
- crushed blacks blacks chrushing
- Tags
Versions
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Details
- Description
- Loss of detail in low levels is the adverse effect in which the image luminance levels are "crushed" to black, causing dark portions of image to solidify in value.
Image quality is degraded by the loss of detail, negatively impacting the customer experience and technical soundness of the programme, although sometimes creative intent. - Definition
- Used in Checks, the system shall review content for low level detail loss. Optionally, the system may report timecodes of where the detail loss appears.
Used in Reports, the system shall report timecodes of where the detail loss appears. - References
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- Examples
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Output: "Check Result" = false
Output: "Detail Loss Segment" = from 00:30:03;00 to 00:32:03;00Remark: Used as a Check.
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Output: "Detail Loss Segment" = from 00:30:03;00 to 00:32:03;00
Remark: Used as a Report.
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Input parameters
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Output parameters
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Test material
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Remarks
- Remarks
User discussions
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