In June Dolby subsidiary Via Licensing against BlackBerry-maker RIM went
to court, because these devices began in his HE-AAC audio compression
without the corresponding license. On Monday told Dolby that both sides
had agreed and welcomed the illustrious circle of RIM AAC licensees. The
Dolby subsidiary Via Licensing manages on behalf of patent holders -
including Dolby, France Telecom, Fraunhofer, LG, Microsoft, Nokia,
Panasonic, Philips and Sony - the patent pool and assigns AAC licenses.
Developed originally as an extension of Coding Technologies' aacPlus for
low bandwidth was taken as a high-efficiency model (HE) in the Advanced
Audio Coding standard (AAC) from MPEG-4. As with MP3Pro Spectral Band
Replication also provides for HE-AAC v1 for reconstructing high
frequency components, so that HE sound in the process encoded files at
almost the same data rate significantly better than audio files that
were created without SBR. HE-AAC is designed for use at low bit rates -
optimized - for example, audio streaming over mobile networks.
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