Overview of MPEG-4 audio and its applications in mobile communications

MPEG-4 is the most recent member of the well-known family of ISO/MPEG coding standards, and provides an integrated set of audio coders with attractive novel capabilities, including bit rate and bandwidth scalability. The paper gives an introduction into the underlying design concepts of MPEG-4 and provides an overview of MPEG-4 audio coding technology and its features. In particular, it discusses the technical provisions which make MPEG-4 audio very well suited for applications in the domain of mobile communications.