--- Wayde Milas <[EMAIL PROTECTED]> wrote: > The last one is truely frightening. AT&T hold the patent. The link > for > it is at: > http://patft.uspto.gov/netacgi/nph-Parser?u=/netahtml/srchnum.htm&Sect1=PTO1&Sect2=HITOFF&p=1&r=1&l=50&f=G&d=PALL&s1=5025258.WKU.&OS=PN/5025258&RS=PN/5025258 > Trying to read and grok it is mind numbing. the synopsis mentions its > for arithmitic encoding, but the best I can tell from trying to read > it, > its possible to apply it to ANY entropy system that has an estimator > that is self adapting. > > I also don't understand how AT&T can hold a patent on something that > is > inherent in the arithmetic patent which was awwared before the AT&T > patnent. > > Unless I'm reading this wrong, which I may be, flac is in violation > of > this patent even though its not an arithmetic encoder. Read the > patent > and tell me what you think.
this patent does not cover the FLAC reference encoder. the entropy coder does not accumulate occurrences of individual symbol values, as specified in claim 1; it uses a single measure (mean or variance) of the overall residual distribution. Josh __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free web site building tool. Try it! http://webhosting.yahoo.com/ps/sb/ ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ Flac-dev mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/flac-dev
