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What’s Wrong With This Picture? (and sound) Common Problems with Program Masters

What’s Wrong With This Picture? (and sound) Common Problems with Program Masters. Tim Mangini - FRONTLINE Jim Kutzner - PBS. Tech Eval as Fundraiser Focused on minutiae They’re out to get me I don’t have time or money for this. Perception. Reality. Same goals - Optimum viewer experience

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What’s Wrong With This Picture? (and sound) Common Problems with Program Masters

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  1. What’s Wrong With This Picture?(and sound)Common Problems with Program Masters Tim Mangini - FRONTLINE Jim Kutzner - PBS WGBH Public Television Quality Workshop

  2. Tech Eval as Fundraiser Focused on minutiae They’re out to get me I don’t have time or money for this Perception WGBH Public Television Quality Workshop

  3. Reality Same goals - Optimum viewer experience Collaborative not Punitive Good investment of resources WGBH Public Television Quality Workshop

  4. Macro-Blocking/Pixilation Gamut Aspect Ratio Drop Frame Time-Code Audio Phase Synthesized/Fake Stereo Loudness Audio Dropouts/Hits Adjacent Audio Track Sync Lip Sync PBS Most Busted: WGBH Public Television Quality Workshop

  5. Macro-Blocking & Pixelation WGBH Public Television Quality Workshop

  6. Gamut Uncorrected image WGBH Public Television Quality Workshop

  7. Gamut Hard limited image Color corrected image WGBH Public Television Quality Workshop

  8. Aspect Ratio WGBH Public Television Quality Workshop

  9. Aspect Ratio WGBH Public Television Quality Workshop

  10. NDF program is 3;12 too long You or PBS will need to make a cut Always Master in Drop Frame Doesn’t matter whether you shoot on DF or NDF Non-Drop Frame Time-Code WGBH Public Television Quality Workshop

  11. Audio Phase Normal Stereo Phase WGBH Public Television Quality Workshop

  12. Audio Phase 180° Out of Phase WGBH Public Television Quality Workshop

  13. Synthesized/Fake Stereo 6 ms left/right offset WGBH Public Television Quality Workshop

  14. Synthesized/Fake Stereo Synth Stereo Folded to Mono WGBH Public Television Quality Workshop

  15. Loudness/Dial Norm Audio starts low WGBH Public Television Quality Workshop

  16. Loudness/Dial Norm Audio gets progressively louder to meet spec WGBH Public Television Quality Workshop

  17. Loudness/Adjacent Containers Program clip meets Dial-Norm spec WGBH Public Television Quality Workshop

  18. Loudness/Adjacent Containers Adjacent promo is too loud WGBH Public Television Quality Workshop

  19. Momentary dropouts can easily be missed without good monitoring Clicks and pops can be caused by word clock errors or cut points on NLE’s Audio Dropouts and Hits WGBH Public Television Quality Workshop

  20. DVS/SAP/Mono tracks 5.1 should have only Narration and dialogue in the center channel Adjacent Audio Track Sync WGBH Public Television Quality Workshop

  21.  2 Frames variance is tolerable Broadcast distribution chain may induce sync errors (MPEG2) Lip Sync WGBH Public Television Quality Workshop

  22. Ingest via Firewire unreliable Use RS422 Longer clips susceptible Break up on ingest if possible Some cameras are culprits Incompatibility with mix Add head and tail pops before splitting sequence Sync Drift WGBH Public Television Quality Workshop

  23. Loudness management Program has -21.4 LKFS Long-term Loudness WGBH Public Television Quality Workshop

  24. Loudness management Segment has -18.8 LKFS Long-term Loudness WGBH Public Television Quality Workshop

  25. Sync Tool www.syncheck.com WGBH Public Television Quality Workshop

  26. Analysis tools Tektronix WVR series Videotek VTM series www.tek.com www.broadcast.harris.com WGBH Public Television Quality Workshop

  27. Audio analysis tools WGBH Public Television Quality Workshop

  28. Audio analysis tools Dolby LM100 www.dolby.com WGBH Public Television Quality Workshop

  29. Audio analysis tools WWW.QUALISAUDIO.COM WGBH Public Television Quality Workshop

  30. Takeaways Plan $$$ and time for tech eval Tools - tailor your plant to be able to meet spec Know the specs yourself Don’t just put it through a legalizer Our responsibility to get it right Pay me now or pay me later Keep your project alive WGBH Public Television Quality Workshop

  31. Discussion QG@pbs.org pbsconnect.org/qualitygroup WGBH Public Television Quality Workshop

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