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AES Publications - http://www.aes.org/publications/ All available articles and documents from the Journal of Audio Engineering Society with search tool including a CD about coding artifacts.

Applications of Digital Signal Processing to Audio and Acoustics - http://www.amazon.com/exec/obidos/ASIN/0792381300 Book by Mark Kahrs and Karlheinz Brandenburg.

Audio Research Labs - http://www.audioresearchlabs.com/ ARL is a commercial laboratory involved in subjective quality assessment methods like preparing and analyzing codec comparisons for 3GPP.

Coding Technologies - http://www.codingtechnologies.com/ Company that invented Spectral Band Replication (SBR) and combined it with MP3 (mp3PRO) and AAC (aacPlus or HE AAC).

Digital Radio Mondiale - http://www.drm.org/ 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.

EE Times - http://www.eet.com/story/OEG20011218S0048/ "Meeting MPEG-4 advanced audio coding requirements", knowledgeable article summarizing the most important properties of AAC for hardware playback.

Fraunhofer IIS - http://www.iis.fraunhofer.de/amm/techinf/mpeg4/audio.html Information about the different parts of MPEG-4 Natural or General Audio (GA) from one of the inventors of these formats, see also their page about MPEG-2 AAC.

http://forum.doom9.org/forumdisplay.php?forumid=11 - http://forum.doom9.org/forumdisplay.php?forumid=11 Besides this forum for audio codecs there are others for container formats and video encoding in general with FAQs.

http://standards.iso.org/ittf/PubliclyAvailableStandards/ - http://standards.iso.org/ittf/PubliclyAvailableStandards/ Publicly available standards from the International Organization for Standardization including MPEG-4 with 14496-5 containing the Audio, Visual and Systems parts.

http://www.apple.com/quicktime/technologies/mpeg4/ - http://www.apple.com/quicktime/technologies/mpeg4/ Overview of their implementation and contribution to the MPEG-4 standard.

http://www.mayah.com/ - http://www.mayah.com/ Hard- and software company for professional broadcasting products with AAC/MP4 support.

http://www.tuner2.com/ - http://www.tuner2.com/ List of internet radio stations using aacPlus for their low bitrate streams, among them SomaFM.com and Boomer Radio.

Hydrogen Audio - http://www.hydrogenaudio.org/ Forum about audio coding in general with two separate boards for AAC.

IBM Composite Media Group - http://researchweb.watson.ibm.com/mpeg4/Projects/ Overview of their implementation and contribution to the MPEG-4 standard, especially for the Systems part.

Introduction to Digital Audio Coding and Standards - http://www.springer.com/engineering/signals/book/978-1-4020-7357-1 Book by Marina Bosi and Richard E. Goldberg.

Machine Listening - http://web.media.mit.edu/~tristan/Classes/MAS.945/technical.html 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.

Mobiledia - http://www.mobiledia.com/ Reviews, articles and forum discussions about cell phones capable of AAC/MP4/3GP playback (also called "iTunes" format sometimes, use the site search).

MP4-SA Developer Tools - http://www.cs.berkeley.edu/~lazzaro/sa/ John Lazarro and John Wawrzynek from the CS Division, UC Berkeley provide tutorials, downloads, manuals and links related to the Structured Audio format.

Mp4-tech - http://lists.mpegif.org/pipermail/mp4-tech/ The web archive of the public MPEG Industry Forum mailing list with many knowledgeable participants from companies like FhG, Apple and Microsoft.

MPEG4.net - http://www.mpeg4.net/ Resource for news, information and products about MPEG-4, H.264, Windows Media, High-Definition, Streaming Media and related technologies.

MPEG4.net Events - http://www.mpeg4.net/rss/mp4events.xml Upcoming MPEG-4 and Streaming Media related calendar of events.

MPEG4.net News - http://www.mpeg4.net/rss/mp4news.xml The latest headlines about MPEG-4, Windows Media, Streaming Media and related technologies.

MPEG4.net Press releases - http://www.mpeg4.net/rss/mp4press.xml Announcements of new products from companies or events from organizations related to MPEG-4 and other technologies.

MPEG4.net Resources - http://www.mpeg4.net/rss/mp4resource.xml New sources of information like web sites, documentation or tests for MPEG-4 and related technologies.

Nokia developer forum - http://discussion.forum.nokia.com/forum/ Platform to support the implementation of their software SDKs including AAC/MP4.

Principles of digital audio - http://www.amazon.com/exec/obidos/ASIN/0071348190 Book by Ken C. Pohlmann.

QuickTime development - http://developer.apple.com/quicktime/ Apple offers technical FAQs, knowledge base and publicly available documentation files including the MOV file format.

Roberto's listening tests - http://www.rjamorim.com/test/ Provides public group comparisons of several AAC codecs and other formats at different bitrates.

Speech Synthesis Examples - http://www.ims.uni-stuttgart.de/~moehler/synthspeech/ Many TTS demos in several languages from different systems with links to their homepages.

Structured Audio Open Group - http://lsiwww.epfl.ch/saog/ 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.

Telos Systems - http://www.telos-systems.com/techtalk/ Hardware manufacturer of the Zephyr ISDN codecs for radio and television broadcasters providing articles and brochures about different AAC implementations.

Text-To-Speech Synthesis - http://www.bell-labs.com/project/tts/ Bell Labs' / Lucent Technologies multi-lingual TTS demos and introduction to this coding method.

Via Licensing - http://www.vialicensing.com/ Patent pool administrator for AAC with FAQs and overviews of royalty fees for commercial implementations.

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