Coding Technologies And DTS Debut Highly Efficient 5.1 Multi-channel Sound For HDTV Broadcasting; World's First Demonstration Of MPEG-4 AacPlus/DTS Digital Broadcasting Solution At NAB 2006

April 26, 2006

Coding Technologies and DTS showcase for the first time their combined aacPlus/DTS transcoding solution enabling high-quality 5.1 multi-channel sound for HDTV broadcasting at a fraction of the typically required transmission bandwidth. The new solution incorporates the highly efficient MPEG-4 aacPlus audio codec with the well known DTS audio technology available in over 50 million DTS-enabled home theater receivers. The new aacPlus/DTS solution 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. Independent tests have shown that aacPlus is the most efficient audio codec available today. Specifically for 5.1 surround sound, 160 kbps aacPlus provides the same audio quality as 384 kbps transmissions currently used in ATSC. This gain of efficiency frees up valuable transmission bandwidth, thereby allowing broadcasters to add new video channels, secondary audio, such as multilingual programming to their existing channels, or simply cut down on transmission costs. "The aacPlus/DTS transcoding solution offers for the first time a real alternative for multi-channel transmissions by enabling instantly the installed base of home theater receivers," said Stefan Meltzer, vice president of business development at Coding Technologies. "Cutting the required bitrate in half opens new opportunities for broadcasters to increase the attractiveness of their offering." "DTS strongly believes in competition and choice as the critical drivers for the broadcasting market," said Brian Towne, senior vice president consumer/pro division at DTS, Inc. "With our new combined surround sound solution, DTS is enabling manufacturing companies and broadcasters to take advantage of the cost efficiencies inherent in cutting-edge technology like aacPlus." The aacPlus/DTS solution will be demonstrated at the DVB stand, #C836, throughout the NAB Conference. Coding Technologies Coding Technologies provides the best audio compression for mobile, broadcasting and Internet. SBR(TM) (Spectral Band Replication) from Coding Technologies is a backward and forward compatible method to enhance the efficiency of any audio codec, putting the "PRO" in mp3PRO and the "Plus" in aacPlus. Parametric Stereo from Coding Technologies and Philips again significantly increases the efficiency of audio codecs for stereo signals at low bit rates. Products from Coding Technologies are fundamental enablers of open standards such as 3GPP, 3GPP2, MPEG, DVB, Digital Radio Mondiale, HD Radio and the DVD Forum. Coding Technologies is a privately held company with offices in Sweden, Germany and Silicon Valley. Founded in 1997 in Stockholm, the company later merged with a spin-off of the renowned Fraunhofer Institute in Germany, the inventor of MP3. Coding Technologies' customers include America Online, EMP, iBiquity Digital, KDDI, mmO2, Nokia, Orange, RealNetworks, SK Telecom, Sprint, T-Mobile, Thomson, Texas Instruments, Vodafone and XM Satellite Radio. For more information, visit http://www.codingtechnologies.com. DTS DTS, Inc. (Nasdaq:DTSI) is a digital technology company dedicated to delivering the ultimate entertainment experience. DTS decoders are in virtually every major brand of 5.1-channel surround processor, and there are hundreds of millions of DTS-licensed consumer electronics products available worldwide. A pioneer in multi-channel audio, DTS technology is in home theatre, car audio, PC and game console products, as well as DVD-Video, Surround Music and DVD-ROM software. DTS audio products are featured on more than 27,000 motion picture screens worldwide. Additionally, DTS provides imaging technology and services for the motion picture industry; DTS Digital Images, formerly Lowry Digital Images, is a wholly-owned subsidiary of DTS and an industry leader in image restoration and enhancement. Founded in 1993, DTS is headquartered in Agoura Hills, Calif., and has offices in the United Kingdom, France, Italy, Canada, Hong Kong, Japan and China. For further information, please visit http://www.dts.com.

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