Extraits :
MPEG-4 AAC has been specified as the high-quality general audio coder for 3G wireless terminals, Apple Computer has incorporated MPEG-4 AAC into QuickTime 6, and theDigital Radio Mondiale system , the next-generation digital replacement for radio broadcasting under 30 MHz, builds on the audio coding of MPEG-4 AAC. These exciting platforms represent the state of the art in audio coding, and Via Licensing is pleased to offer the MPEG-4 AAC Patent License Agreement.
The MPEG-4 AAC standard incorporates MPEG-2 AAC, forming the basis of the MPEG-4 audio compression technology for data rates above 32 kbps per channel. Additional tools increase the effectiveness of MPEG-2 AAC at lower bit rates, and add scalability or error resilience characteristics. These additional tools extend AAC into its MPEG-4 incarnation (ISO/IEC 14496-3, Subpart 4).
[^] # Re: Lecteurs Ogg Vorbis matériel de poche
Posté par Olivier Jeannet . En réponse à la dépêche Lecteurs Ogg Vorbis matériel de poche. Évalué à 3.
L'Advanced Audio Coding.
Le site suivant t'en diras plus : http://www.vialicensing.com/products/mpeg4aac/standard.html(...)
(d'après ce que je comprends, c'est fait par Dolby).
Extraits :
MPEG-4 AAC has been specified as the high-quality general audio coder for 3G wireless terminals, Apple Computer has incorporated MPEG-4 AAC into QuickTime 6, and theDigital Radio Mondiale system , the next-generation digital replacement for radio broadcasting under 30 MHz, builds on the audio coding of MPEG-4 AAC. These exciting platforms represent the state of the art in audio coding, and Via Licensing is pleased to offer the MPEG-4 AAC Patent License Agreement.
The MPEG-4 AAC standard incorporates MPEG-2 AAC, forming the basis of the MPEG-4 audio compression technology for data rates above 32 kbps per channel. Additional tools increase the effectiveness of MPEG-2 AAC at lower bit rates, and add scalability or error resilience characteristics. These additional tools extend AAC into its MPEG-4 incarnation (ISO/IEC 14496-3, Subpart 4).