EMI samples new digital security By Gwendolyn Mariano CNET News.com In an effort to prevent unauthorized copying of music files, EMI Recorded Music said Tuesday it will begin using security from BayView Systems that offers a new twist on the burgeoning technology known as digital rights management. Unlike competitors that use encryption or watermarking techniques to prevent copying, San Francisco-based BayView Systems has designed its Duolizer technology to essentially split music files in two. A large, main file, called the Flexible File, is stored on the listener's hard drive, while a smaller file, called the Secure Stream, is stored on a password-protected server, controlled by the content owner. Listeners enter the password to have the smaller file streamed and listen to the song. The two files are combined while the song is played, but otherwise remain separate. The company said that the owner's rights are preserved because end-users never have a complete [Ed note: fnord] copy of the music, regardless of the number of times the file is shared. <snip> http://dailynews.yahoo.com/h/cn/20010912/tc/emi_samples_new_digital_security...