0219W - Black Ref Level
Summary
EBU QC Id
0219W
Name
Black Ref Level
Status
published
Category
absolute
Lead editor
Jens SCHNEEWEISS
Aliases
Black Reference Level
Tags
video MXF MXF-only
Versions
Version Status Edition date Saved by Note
Details
Description
Specifies the digital luminance level associated with black.
Definition
Used in Checks, the system shall read out the black level 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 black level value indicated in the wrapper metadata and report it.
References
Examples
  • Input: "Black Ref Level Expected" = 16
    Output: "Check Result" = false
    Output: "Black Ref Level" = 64

    Remark: Used as a Check


  • Output: "Black Ref Level" = 64

    Remark: Used as a Report

Input parameters
Name Default value Description Data model name Unit Locator
Output parameters
Name Alias Description Data model name Unit Locator
Test material
Title Version Download
Remarks
Remarks
This card is a Read Out only and includes no Measurement. For the Measurement version, see EBU QC Test Item 0051B.

Examples:
For 8-bit ITU-R BT.601-7, the value is 16.
For 10-bit ITU-R BT.601-7, the value is 64.
User discussions
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