MacNN | hierarchy News http://www.macnn.com/ MacNN is the leading source for news about Apple and the Mac industry. It offers news, reviews, discussion, tips, troubleshooting, links, and reviews every day. The best place for Mac News. Period. en-us hierarchy, Latest News, Headlines, Stories; http://images.macnn.com/images/macnn-logo-bw.gif http://www.macnn.com/ Patents: AAC audio, hierarchical menu items http://www.macnn.com/articles/08/01/31/aac.hierarchy.patents/ <img align='left' src='http://images.macnn.com/macnn/news/0801/31-patent-sm.jpg' border='0' width='176' height='120' />The US Patent and Trademark Office today published 11 of Apple's patent applications. Among the 11, a patent regarding AAC audio bit allocation, as well as one pertaining to hierarchical menus stand out. Apple has presented a concept for perceptual audio encoding, a bit allocation technique that is designed to reduce the size of a file by finding a perfect balance of quality versus compression. Wh... http://www.macnn.com/articles/08/01/31/aac.hierarchy.patents/ Thu, 31 Jan 2008 23:15:00 GMT