| # RuLips-1k: quality report |
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| Computed from `manifest.jsonl` (423,047 clips, 1134.4 h). |
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| | part | RuTube clips | RuTube h | MultiVSR clips | MultiVSR h | |
| |---|---|---|---|---| |
| | train | 68,079 | 409.7 | 343,149 | 693.5 | |
| | val | 1,705 | 6.4 | 3,035 | 6.0 | |
| | test | 953 | 6.1 | 6,126 | 12.6 | |
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| ## Clip length |
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| * rutube: median 9.0 s, p10 2.6, p90 63.1, max 119.9 |
| * multivsr: median 7.5 s, p10 2.5, p90 11.7, max 14.0 |
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| ## Face and head pose (from landmarks) |
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| * rutube: face found in 99.6% of frames on average; clips with <85% coverage: 0.8%; |azimuth| > 30°: 16.0%, > 60°: 0.17%; |zenith| > 30°: 0.2%; mouth opening median 0.056 |
| * multivsr: face found in 94.9% of frames on average; clips with <85% coverage: 8.2%; |azimuth| > 30°: 8.6%, > 60°: 0.60%; |zenith| > 30°: 0.4%; mouth opening median 0.065 |
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| ## Audio-visual sync and transcript (RuTube) |
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| * SyncNet confidence: median 4.33, p10 3.11 (clips below 2.75 were dropped at collection) |
| * ASR disagreement (CER between window-level and per-clip transcripts): median 0.072; ≥ 0.5 in 8.9% of clips |
| * Burned-in subtitles: 11.3% of clips have subtitles in more than half of the frames |
| * Words per clip: median 20; per-clip transcripts: 100.0% |
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| ## Speakers |
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| * rutube: 933 speakers; top-10 share 9.2%; median speaker 13.6 min |
| * multivsr: 7,197 speakers; top-10 share 0.7%; median speaker 4.9 min |
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