2012 Summer MYT Video Editing Week 4 Exporting

Multiply Your Talents Video EditingWeek 4: Exporting

Exporting Video

Final step before delivering your masterpiece

Don’t botch this!

Examples

Stretched Video

Grainy Video

Mute Video

Good Video

Questions to Ask

What is this video for?

How is my video being played?

When’s my deadline?

Things to Keep in Mind

Resolution (Devices)

Bit rate

Platform (Web/Desktop/DVD/etc)

Codecs

H.264

It’s the standard these days

Friendly for web

Others to know

Apple Intermediate Codec

Apple ProRes 422

AVI, MOV, MP4

These are only containers, not compression algorithms

Audio

Don’t need to compress

Time savings is marginal

Space savings is marginal

Aspect Ratio

Standard = 4:3

Widescreen = 16:9

ALWAYS maintain Aspect Ratio

Just do the math

Use square pixels

Bit Rates

1080p = 10Mbps

720p = 6Mbps

640x480 = 1.5Mbps

Examples

Trailer or info video for SWS

Codec: H.264

Resolution 1280 x 720

Data Rate: 6Mbps

Examples

Draft for NSWN video

Don’t need full-resolution

Codec: H.264

Resolution: 160 x 90

Data Rate: Target Size / X sec

Video usually around 10 minutes (600 sec)

50MB file = 50,000 KB

(50,000 KB / 600 sec) = 83KB/s