In 2010 the ISO/MPEG Audio standardization group issued the Spatial Audio Object Coding (SAOC) specification to define technology for parametric low bit-rate coding of audio object signals with a mono or stereo downmix. This paper provides an overview of MPEG SAOC technology, discussing recent verification tests. The authors examine operation modes for typical application scenarios by taking advantage of object-based processing. Most important, SAOC enables transmission of multi-object signals at data rates of the same order of magnitude as those used to represent two-channel audio. The important application scenarios are envisaged to be high-quality spatial teleconferencing, personal audio, interactive gaming, and rich media. Because the SAOC representation is independent of any particular loudspeaker setup, SAOC signals can be rendered efficiently on either a target loudspeaker configuration or portable device.

Authors: Herre, Jürgen; Purnhagen, Heiko; Koppens, Jeroen; Hellmuth, Oliver; Engdegård, Jonas; Hilper, Johannes; Villemoes, Lars; Terentiv, Leon; Falch, Cornelia; Hölzer, Andreas; Valero, María Luis; Resch, Barbara; Mundt, Harald; Oh, Hyen-O
Affiliations: International Audio Laboratories Erlangen, Erlangen, Germany (a joint institution of the University of Erlangen / Nuremberg and Fraunhofer IIS); Fraunhofer Institute for Integrated Circuits, Erlangen, Germany; MED-EL, Innsbruck, Austria; Dolby Sweden AB, Stockholm, Sweden; Skype, Stockholm, Sweden; Philips Research, Eindhoven, The Netherlands; Dolby Germany GmbH, Nürnberg, Germany; Digital TV Laboratory, LG Electronics, Seoul, Korea; GOODDAY Invent & Patent LAB, Seoul, South Korea(See document for exact affiliation information.)
JAES Volume 60 Issue 9 pp. 655-673; September 2012
Publication Date: October 9, 2012

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