Other lossy formats exist. Among these, mp3PRO, AAC, and MP2 are all members of the same technological family as MP3 and depend on roughly similar psychoacoustic models. The Fraunhofer Gesellschaft owns many of the basic patents underlying these formats as well, with others held by Dolby Labs, Sony, Thomson Consumer Electronics, and AT&T. COUNT 3
QSN1 AAC, mp3PRO and MP2 are all members of the same technological family as which other lossy format? ANS1 MP3 QSN2 What model type do all of the lossy formats roughly depend on? ANS2 psychoacoustic QSN3 Which company owns many of the patents that cover the other formats? ANS3 Fraunhofer Gesellschaft