Fred Engel, CPBE Vice President of Technology WTTW11/Chicago The Chicago HD Experience - Producing and Delivering HD Content

Acknowledgements Don DeMartini, Senior Editor Jim Gedwellas, Lighting Dir. Dave Moyer,Eng. In Charge Al Skierkiewicz, Audio Maintenance Jerry Hanna, Senior VP of Engineering Bob Bruner, Eng. In Charge Electronic Maintenance Randy King, Ex VP & Executive Producer - Soundstage Ron Yergovich, Vice President of Production Engineering Derrick Young, TD Steve Miller, Senior Video Jim Mancini, Senior Audio

Presentation Outline Brief WTTW/Chicago History WTTWD – HD program delivery service WTTW HD production techniques WTTW HD productions

WTTW – A little history 1955 – Museum of Science and Industry 1965 – Chicago’s North side 1974 – Transmission moves to Sears Tower

WTTW – Stereo Transmission 1975/76 First Stereo Audio Transmission Early 1980’s – Electronic Industries Association Stereo testing Fall of 1984 – WTTW 2 nd TV Station to broadcast stereo audio (WNBC 1 st by 4 days)

WTTW – Stereo Production 1973 – Made in Chicago Developed stereo track recording for 2” Videotape 1974 – SoundStage to PBS 1974 – Emmy for Stereo Work

WTTW Digital Broadcast Operations Center 1 st Digital Broadcast April, 2002 September 15, 2003 – DBOC kickoff WTTW11 Analog broadcast service “WTTWD” Digital broadcast service Full time HD/up converted SD programming Full time 5.1 audio

HD Ingest from Satellite IRD HDCam ProDVHS MPEG HD Server SMPTE 292 HD SDI AES ASI

HD Ingest to Server HDCam ProDVHS MPEG HD Server MPEG Encoder Dolby Digital Encoder AJA A2D Optical to Coaxial Converter Y Pb Pr Dolby E Decoder Optical AC3 HDSDI AC3 AES Ch 3/4 HD SDI AC3 310/ASI

HD Server Play out IRD MPEG HD Server HD Bug Inserter MPEG Encoder 310/ASI 292 Dolby Digital Encoder Dolby Digital Decoder AC3 292 To Microwave AC3 Decoder Set to pass AC3 Simulate Pro-Logic Router Insertion Point Router Insertion Point

HD Technical Considerations “Tell the Story” Lighting needs – very similar to SD – more light for 24 frame video Camera person – “Focus, Focus, Focus!” Editing – Terabytes Cable lengths Connector terminations Router capability

HD Tech Considerations cont. Video Monitoring Time code/Reference Triax or Fiber?? Big Ticket Items – Switchers, Routers,Camera’s, Lens

WTTW HD Productions Playin’ Chicago Legends of Jazz

Playin’ Chicago Shot in ” Analog HD RGB

2002 – CSO Partnership with Sony/Canon Line cut using down-converted HD Program edited on SD Avid Program conformed on HD Avid DS Stereo mix

Shot with Sony HDK-700 HDCam minicam Coordinate with CTA Edited at HDNet

Co-production with HDReady Shot with 11 Sony HDCam minicams No line cut – assembled on Avid DS Surround Mix on ProTools

On the road

CCU PGM PST ISO1 ISO2 ISO3 CCU

AJA A2D Y Pb Pr HDSDI AJA A2D Y Pb Pr HDSDI AJA D2A Y Pb Pr AJA D2A Y Pb Pr AJA D2A Y Pb Pr AJA D2A Y Pb Pr Evertz HD Back Miranda Converter HDSDI

Thanks