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0251B - Audio Description Occurrences
published
0251B v1.0
Item image
AUDIO DESCRIPTION
Presence of Audio Description
Broadcaster Guidelines
AD is Present, Meets Guidelines
AD Segment Locations
https://qc.ebu.io/items/0251B/versions/1-0-0/
Check
Report
Summary
EBU QC Id
0251B
Name
Audio Description Occurrences
Status
published
Category
subjective
Lead editor
Eyal Lavi
Aliases
video description verification DVS verification descriptive audio verification
Tags
audio access service
Versions
Version Status Edition date Saved by Note
Details
Definition
Used in Checks, the system shall check for a minimal number of occurrences of Audio Description and for intervals between instances that exceed the allowed maximum gap.

Used in Reports, the system shall report Audio Description segments.
References
Examples

  • Input:
    "ServiceChannelAllocation" = 4a 1,2
    "OccurrenceGapThreshold" = 600
    "OccurrenceNumberThreshold" = 10

    Output:
    "CheckResult" = false
    "AudioDescriptionSegments" = {
    Locator: 00:01:42:08 to 00:01:59:00,
    Locator: 00:11:59:01 to 00:12:18:23
    }

    Remark: Used as a Check. Scenario: test fails because a gap of more than 10 minutes was detected between audio description segments and the number of segments is below the threshold.

  • Input:
    "ServiceChannelAllocation" = 4a 1,2

    Output:
    "AudioDescriptionSegments" = {
    Locator: 00:01:42:08 to 00:01:59:00,
    Locator: 00:11:59:01 to 00:12:18:23
    }

    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
User discussions
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