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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. |
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Nokia developer forum - http://discussion.forum.nokia.com/forum/
Platform to support the implementation of their software SDKs including AAC/MP4. |
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Hydrogen Audio - http://www.hydrogenaudio.org/
Forum about audio coding in general with two separate boards for AAC. |
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Tuner2 - http://www.tuner2.com/
List of internet radio stations using aacPlus for their low bitrate streams, among them SomaFM.com and Boomer Radio. |
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ISO/IEC - 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. |
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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. |
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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. |
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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. |
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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. |
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Principles of digital audio - http://www.amazon.com/exec/obidos/ASIN/0071348190
Book by Ken C. Pohlmann. |
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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. |
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MPEG-4 Structured Audio - http://sound.media.mit.edu/mpeg4/
Technical information and developer resources from the Machine Listening Group at the MIT Media Laboratory, the official homepage for this format maintained by Eric Scheirer. |
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Doom9 - 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. |
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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. |
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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. |