AES 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
Book by Mark Kahrs and Karlheinz Brandenburg.
Audio Research Labs
ARL is a commercial laboratory involved in subjective quality assessment methods like preparing and analyzing codec comparisons for 3GPP.
Coding Technologies
Company that invented Spectral Band Replication (SBR) and combined it with MP3 (mp3PRO) and AAC (aacPlus or HE AAC).
Digital Radio Mondiale
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 co…
Facial Animation
AT&T Labs develops a computer human interface using 2D and 3D talking head-and-shoulder models driven by a Text-To-Speech synthesizer (TTS).
Fraunhofer IIS
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.
Hydrogen Audio
Forum about audio coding in general with two separate boards for AAC.
Introduction to Digital Audio Coding and Standards
Book by Marina Bosi and Richard E. Goldberg.
MP4-SA Developer Tools
John Lazarro and John Wawrzynek from the CS Division, UC Berkeley provide tutorials, downloads, manuals and links related to the Structured Audio format.
QuickTime development
Apple offers technical FAQs, knowledge base and publicly available documentation files including the MOV file format.
Roberto's listening tests
Provides public group comparisons of several AAC codecs and other formats at different bitrates.
Via Licensing
Patent pool administrator for AAC with FAQs and overviews of royalty fees for commercial implementations.
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