the whole world burns

Archive for category 'compression'

Xerox scanners randomly alter numbers in scanned documents


Incorrect application of JBIG2 compression (which builds a dictionary of image "patches" such that similar areas can be compressed into a reference to a single patch) apparently leads this Xerox scanner to silently mangle documents -- the patch size is such that it confuses 6, 8, and perhaps other glyphs.

The Death Of Dynamic Range


How the music industry is ruining their music.

Small things, links and miscellany, sparkling with light. Sam's tumblelog.

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