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January 24, 2005
aacPlus
Interesting story in Slate about aacPlus which supposedly gives near CD-quality audio at 48kbps and very good quality at 24kbps. In addition to the usual compression techniques (throwing out that which the human ear can't readily perceive), aacPlus mathematically rebuilds high frequencies and uses parametric stereo to save space. Pretty cool stuff, though I'm not sure the world needed another audio format. Could really make flash memory-based MP3 players much more useful if they can be firmware-upgraded.
Posted by Lee Clontz at January 24, 2005 12:21 PM