Designing a 4K Production Workflow

For an Educational Institution

Outline

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Goals & Objectives

Approach & Implementation Results

Goals & Objectives

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4K

Design a feasible workflow

Analyze weak points and bottlenecks

Provide students a guide to 4K

Analyze industry trends

Improve video

production services

Provide suggestions

for future development

What is 4K?

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8K UHD 7680 x 4320

4K UHD 3840 x 2160

Cin

em

a 4

K 4

09

6 x

21

60

2K

20

48

x 1

08

0 Full HD 1920 x 1080

HD 1280 x 720

What does 4K try to be?

Image Quality

Resolution

Frame Rate

Compression

Dynamic Range

Color Gamut

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4K Industry Development

IBM 9MP Monitor

2001

DALSA Origin 2003

The Digital Intermediate e.g. Spider-

Man 2 (2004)

Consumer 4K NAB 2013

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4K Distribution

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Acquisition Post Production Delivery Presentation

Bottleneck of the Industry

Analyzing the Data Flow Model

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REC SanDisk

Extreme Pro

480 GB

SSD

Mac Pro

4K

4K UHD Monitor

4K UHD Monitor

4K UHD Monitor

Analyzing the Data Flow Model

REC SanDisk

Extreme Pro

480 GB

SSD

Mac Pro

4K

4K UHD Monitor

4K UHD Monitor

4K UHD Monitor

•  Recording Formats –  Compression –  Bit Depth –  Chroma Sampling

•  Storage and Transfer Solutions –  Flash Storage –  Transport

•  Comparing Hardware Performance

•  4K Output Monitoring

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BMPC4K Recording Options Dimensions Format Bit Depth Sampling Mb/s GB/hr

4000 x 2160 CinemaDNG 12 bit 4:4:4 1600 720

3840 x 2160 ProRes 422 HQ 8 bit 4:2:2 737 332

3840 x 2160 ProRes 422 8 bit 4:2:2 492 221

3840 x 2160 ProRes LT 8 bit 4:2:2 342 154

3840 x 2160 ProRes Proxy 8 bit 4:2:2 151 68

1920 x 1080 ProRes 422 HQ 8 bit 4:2:2 184 83

1920 x 1080 ProRes 422 8 bit 4:2:2 122 55

1920 x 1080 ProRes LT 8 bit 4:2:2 85 38

1920 x 1080 ProRes Proxy 8 bit 4:2:2 38 17

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Performance Comparison

Mac Pro Media Lab

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Test Production

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Test Production

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Important: •  Rolling vs. Global Shutter •  Shutter Angle •  White Balance •  ISO Performance •  Recording Format •  Dynamic Range: Film vs. Rec. 709 •  Hardware and Battery

Post Production

Online Workflow

ü  Easy ü  Fast ü Already known to

students o  Computational intense o  Limited suitable

resources o  Not flexible

Offline Workflow

ü  Suitable for all work stations

ü  Professional ü Collaborative o  Slightly more

complicated o  File transfer between

work stations

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Work straight from SSDs via MultiDock

Import Footage into Premiere Pro

Edit

Direct Link to Speed Grade

Apply Titles and Transitions

Export

Online Workflow

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Offline Round Trip

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Import Footage into DaVinci

Resolve Create Dailies Export Proxies Import Proxies

into Premiere

Edit Export XML Import XML into Resolve & Re-link Footage

Color Correction

Export XML with High Bitrate

Clips

Titles and Transitions Export

Conclusions

Benefits

ü Affordable Hardware Configuration

ü Offline Workflow enables Post Production in Media Lab

ü  Future Proofing ü  Flexibility ü  Prepare Students for

the Industry

Drawbacks

o  Battery Life and Display o  Long Time Data

Storage o  Manual Data Transfer o  Available Resources

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Future Development

•  Plenty of Fast Storage •  Fiber Network •  4K Live Productions •  Dedicated Hardware Rig •  Color Grading Suite with Hardware

Controls

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