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

Q G 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

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

Q G WGBH Public Television Quality Workshop 4 PBS Most Busted:  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

Q G WGBH Public Television Quality Workshop 5 Macro-Blocking & Pixelation

Q G WGBH Public Television Quality Workshop 6 Gamut Uncorrected image

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

Q G WGBH Public Television Quality Workshop 8 Aspect Ratio

Q G WGBH Public Television Quality Workshop 9 Aspect Ratio

Q G WGBH Public Television Quality Workshop 10 Non-Drop Frame Time-Code  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 Doesn’t matter whether you shoot on DF or NDF

Q G WGBH Public Television Quality Workshop 11 Audio Phase Normal Stereo Phase

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

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

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

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

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

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

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

Q G WGBH Public Television Quality Workshop 19 Audio Dropouts and Hits  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

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

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

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

Q G WGBH Public Television Quality Workshop 23 Loudness management Program has LKFS Long-term Loudness

Q G WGBH Public Television Quality Workshop 24 Loudness management Segment has LKFS Long-term Loudness

Q G WGBH Public Television Quality Workshop 25 Sync Tool

Q G WGBH Public Television Quality Workshop 26 Analysis tools Videotek VTM seriesTektronix WVR series

Q G WGBH Public Television Quality Workshop 27 Audio analysis tools

Q G WGBH Public Television Quality Workshop 28 Audio analysis tools Dolby LM100

Q G WGBH Public Television Quality Workshop 29 Audio analysis tools

Q G 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

Q G WGBH Public Television Quality Workshop 31 Discussion org/qualitygroup pbsconnect.org/qualitygroup