0098B - Lipsync
v1.0
published
0098B
v1.0
LIPSYNC
Broadcaster Sync Tolerance
Golden Eyes/Ears, ITU-R BT.1359
AV Synchronous
Written report only
https://qc.ebu.io/items/0098B/versions/1-0-0/
Check
Report
Summary
- EBU QC Id
- 0098B
- Name
- Lipsync
- Status
- published
- Category
- human-only review
- Lead editor
- Roberto BORGOTALLO
- Aliases
- audio video alignment sync error AV sync
- Tags
- video audio
Versions
| Version | Status | Edition date | Saved by | Note |
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Details
- Definition
- System shall check that audio and video synchronisation is within the required user tolerance.
- References
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ITU-R BT.1359
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- Examples
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Input: "Lyp Sync Threshold" = 100 ms
Input: "Minimum Lyp Sync Segment Duration" = 5 seconds
Output: "Lyp Sync" = True
Output: "Lyp Sync Segment": 00:00:01:00 to 00:00:02:26, AverageDeviation 120 ms (exeeding threshold) MaxiDeviation 250 ms
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Input parameters
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Output parameters
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Test material
| Title | Version | Download |
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Remarks
- Remarks
- This is expected to stay an 'eye-ball' Test Item for the foreseeable future.
User discussions
| Title | Author | Last update |
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