DRM is a world-wide initiative to use analog AM radio for digital sound and services implementing aacPlus at very low bitrates, often mixed up with Digital Rights Management for copy protection. Art Sound

Forum about audio coding in general with two separate boards for AAC.

Everything around audio de/encoding marine conversion to efi

Active forum topics in AAC - General and AAC - Tech as well as in MPEG4 Discussion. [RSS]

The main goal of the SAOG was to implement Structured Audio (SA) in open source applications offering a portal for their users with forum and downloads of samples and software.

Reading list for an MIT seminar, most of the mentioned publications are directly available on their web server or linked to Amazon's book section.

Amazon.com: Applications of Digital Signal Processing to Audio and Acoustics (The International Series in Engineering and Computer Science): Books: Mark Kahrs,Karlheinz Brandenburg by Mark Kahrs,Karlheinz Brandenburg Boston Acoustics

Upcoming MPEG-4 and Streaming Media related calendar of events. [RSS]

Hardware manufacturer of the Zephyr ISDN codecs for radio and television broadcasters providing articles and brochures about different AAC implementations.

Comprehensive guides about DivX, XviD and MPEG4IP, a forum and other resources about digital audio/video coding and streaming.