Prototyping 2013-11-05 (Lens Based Media)

Compression & Codecs in video

Codec != Format

(File)Format or Container is the shipping box, codec is the goods inside the box.
Format:

• determines the way audio and video (and other metadata) are stored inside the file
• examples are : .mov , .avi, .mp4, .wmf, .ogg etc etc

Codec:

• the way redundancy in the image is detected and stored
• And for video: the way temporal redundancy is detected and stored ->

Tools

• ffmpeg (ffmpegX for a Mac gui version)
• Mencoder
• Mpegstreamclip
• Handbrake
• Adobe Media Encoder

Delivery

• what happens when you upload to youtube?

Glitch Art

Data moshing

Download Finished

• to datamosh
• Download Finished by Mediengruppe Bitnik
• glitch your image, source code

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