HE AAC Digital Audio Compression System
High-Efficiency AAC (HE AAC) is a digital audio compression system that enables broadcasters to transmit high-quality data at low bit rates.
Dolby provides the best HE AAC solutions across the broadcast chain: licensed encoder and decoder products, OEM products, and hardware.
Support industry-standardized Dolby® metadata to ensure consistent audio delivery
Meet Dolby's high testing standards
Provide optimum bandwidth savings
Ensure programs can be accurately delivered throughout the broadcast chain so consumers receive content as it was intended
Deliver higher quality stereo and 5.1-channel audio at the lowest data rates
Provide full compatibility through the complete broadcast chain including Dolby E and PCM Solutions with metadata
HE AAC Benefits
In regions where HE AAC is used, Dolby’s implementation provides the most reliable way of carrying HE AAC audio with the added benefit of Dolby metadata.
It lets broadcasters deliver stereo and 5.1-channel audio at the lowest bandwidth rates while maintaining high quality for applications where there are significant bandwidth constraints.
Full Compatibility
Dolby's MS10 and MS11 decoding platform for television and set-top boxes combines the benefits of HE AAC with compatibility of Dolby Digital home theater systems.
The MS10 and MS11 also include Dolby Digital Plus, so you get everything you need for your regional requirements.
Regional specifications for HD receivers typically combine the requirement for Dolby Digital Plus and HE AAC. The MS10 and MS11 offer the best solution for HD receiver devices used in those regions.