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05.01.2006
Originally featured on BroadcastEngineering.com
Coding Technologies and DTS debut 5.1 audio solution for HD broadcasting

Coding Technologies and DTS introduced at NAB a combined aacPlus/DTS transcoding solution enabling 5.1 multichannel sound for HDTV broadcasting at a fraction of the typically required transmission bandwidth.

The new solution incorporates the MPEG-4 aacPlus audio codec with the DTS audio technology now available in more than 50 million DTS-enabled home theater receivers.

The new aacPlus/DTS technology enables broadcasters to profit from the bandwidth saving advantage of the aacPlus audio codec for over-the-air transmission and enables backwards compatibility by transcoding into DTS within the set top box.

Specifically for 5.1 surround sound, 160kb/s aacPlus provides the same audio quality as 384kb/s transmissions currently used in ATSC. This gain of efficiency frees up transmission bandwidth, allowing broadcasters to add new video channels, secondary audio or simply cut down on transmission costs.

For more information, visit http://www.codingtechnologies.com, and www.codingtechnologies.com and www.dts.com.

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