xHE-AAC is the first MPEG audio codec to combine speech and general-purpose audio coding in a unified system. This allows for high quality delivery of any type of audio content at virtually any bit rate.
“With standardization in MPEG, xHE-AAC has become the ideal codec for future broadcast systems. We are very happy that Digital Radio Mondiale is the first radio standard adopting the new codec,” said
xHE-AAC provides an improved audio quality for mixed-signal content at ultra-low bit rates as used in DRM AM bands. At the same time xHE-AAC is a superset of the MPEG AAC codec, that is used for all DRM transmissions so far and will remain available as part of the DRM standard.
DRM broadcasters also benefit from a simplified codec configuration process: All quality relevant parameters are automatically optimized internally by the encoder, and the need to change configuration settings depending on the type of audio content being broadcasted is eliminated.
DRM broadcast encoder solutions based on Fraunhofer’s ContentServer technology as well as third-party implementations already support xHE-AAC. Broadcasters can select xHE-AAC after a simple software upgrade to their existing equipment. All DRM receiver chipsets belonging to the initial mass-market generation include xHE-AAC from market launch. DRM radios based on these chipsets will be available in 2014.
At IBC in
The Audio and Multimedia division of
Through the course of more than two decades, Fraunhofer IIS has licensed its audio codec software and application-specific customizations to at least 1,000 companies. Fraunhofer estimates that it has enabled more than 6 billion commercial products worldwide using its mp3, AAC and other media technologies.
The Fraunhofer IIS organization is part of Fraunhofer-Gesellschaft, based in
For more information, contact
Head of press and public relations
Head of Marketing Communications Audio & Multimedia
Digital Media Technologies*
Cell +1 408 390 6698
Source: Fraunhofer IIS
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