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Adobe After Effects: Butterflies! 3D, Expressions, and Parenting Oh My!

Chapter: Compositing Tools and Techniques

Topic: Parenting and Motion on Paths

It?s been a while since I?ve written an After Effects tutorial, so I thought I?d drop in a quick little number on how to create an impressionistic butterfly using After Effects 5.5?s 3D, Expressions and Parenting features.

http://www.creativemac.com/2002/11_nov/tutorials/aebutterfly.htm

TAGS: parenting, animation, javascript, expression, scripting

DV Pix – Multigeneration test images

Chapter: Video and Computer Technology

Topic: DV Formats

Multigeneration tests are useful for two purposes: they show off the strengths and limitations of the DV compression scheme, and they also show off any weak points in a particular implementation!

http://www.adamwilt.com/pix-gens.html

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DV Pix – Image Defects due to Tape Problems

Chapter: Video and Computer Technology

Topic: DV Formats

Visual demonstrations of tape-related dropouts in DV formats

http://www.adamwilt.com/pix-defects.html

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DV Pix – Image Artifacts

Chapter: Video and Computer Technology

Topic: DV Formats

DV Codec artifacts: types, causes and ways to avoid.

http://www.adamwilt.com/pix-artifacts.html

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DV Pix – Sampling Methods

Chapter: Video and Computer Technology

Topic: DV Formats

What does that 4:2:2, 4:1:1, 4:2:0 really mean? A nice visual demonstration from Adam Wilt

http://www.adamwilt.com/pix-sampling.html

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Betacam Gotcha's

Chapter: Video and Computer Technology

Topic: Video Basics

NEVER stuff a Betacam tape into a UVW-series VTR without checking to see if there’s already a tape inserted.

http://www.adamwilt.com/Tidbits.html#Betacam

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Character Generators & Titling

Chapter: Titling

Topic: Quality

Doing good CG in interlaced video is trickier than you might think. Doing it right in compressed interlaced video (such as DV) is even harder. With interlace, you can have problems of line twitter on static or moving text, as well as roll-induced “crawlies” and distortions. With compression, you add problems of codec pathologies. And there are always pitfalls associated with colors and bandwidth. Highly recommended for anyone doing Character Generation in software.

http://www.adamwilt.com/Tidbits.html#CGs

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DV Stuff

Chapter: Video and Computer Technology

Topic: Production Codecs

Lots of random DV-related tips and troubleshooting. Highly recommended for anyone using DV or DVCAM.

http://www.adamwilt.com/Tidbits.html#DV

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M-JPEG, MPEG-2, and DV50

Chapter: Video and Computer Technology

Topic: Production Codecs

Can I transcode between DV and motion-JPEG, MPEG-2, or DV50? Which format is better for editing?

http://www.adamwilt.com/DV-FAQ-editing.html#transcoding

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Codec Problems

Chapter: Video and Computer Technology

Topic: Production Codecs

What’s the “white clip” problem? How can white clipping be avoided, and what are the drawbacks of doing so? What other codec problems are there?

http://www.adamwilt.com/DV-FAQ-editing.html#CodecProblems

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