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MPEG-4 enhanced low delay AAC - a new standard for high quality communication

: Schnell, M.; Schmidt, M.; Jander, M.; Albert, T.; Geiger, R.; Ruoppila, V.; Ekstrand, P.; Grill, B.

Audio Engineering Society -AES-:
125th Audio Engineering Society Convention 2008. Convention Papers. CD-ROM : October 2-5, 2008, San Francisco, CA, USA
New York, NY: AES, 2008
ISBN: 978-0-937803-65-3
Paper 7503
Audio Engineering Society (Convention) <125, 2008, San Francisco/Calif.>
Conference Paper
Fraunhofer IIS ()

The MPEG Audio standardization group has recently concluded the standardization process for the MPEG-4 ER Enhanced Low Delay AAC (AAC-ELD) codec. This codec is a new member of the MPEG Advanced Audio Coding family. It represents the efficient combination of the AAC Low Delay codec and the Spectral Band Replication (SBR) technique known from HE-AAC. This paper provides a complete overview of the underlying technology, presents points of operation as well as applications, and discusses MPEG verification test results.