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Full Surround Sound Now Possible With Headphones   

Using a new software algorithm from Lake Technology, which can be downloaded into a Motorola digital signal processor (DSP) DSP56362 chip, audiophiles can now enter a new realm of Dolby Surround sound using equipment as small as Dolby Headphone(TM) systems.

Dolby Headphone, developed by Lake Technology of Australia and Dolby Laboratories, is a unique signal processing system that enables any pair of stereo headphones to realistically portray the sound of a five-speaker playback system. It can be incorporated into virtually any type of audio or video product normally featuring a headphone output.

Roger Dressler, director of Technology Strategy for Dolby Laboratories, said, ``Dolby is eager to provide consumers with the best possible 5.1 channel surround sound that a pair of headphones can offer. We are pleased that Motorola is working with Dolby and Lake to bring this technology to market.''

``Lake developed this unique technology to allow people to hear Dolby® Surround sound from a pair of headphones,'' said Leonard Layton, marketing director, Lake Technology. ``Consumers will now be able to get the full enjoyment of Surround sound from DVDs in portable applications, computers and even the home when times call for the use of headphones.''

The DSP56362 is currently being used in a variety of consumer audio products, such as audio/video receivers, DVD, digital television and automotive applications. Motorola provides a comprehensive silicon and software solution in a single chip, which provides multi-channel decoding Dolby Digital and other audio technologies, as well as post processing.

As a programmable architecture, the DSP56362 also supports MLP, MP3, AAC, and other decoding algorithms along with encoders such as the Dolby Digital Consumer Encoder.

``Dolby Headphones is a natural progression for the enjoyment of Dolby Surround sound,'' said Valerie Hase, operations manager of Motorola's Digital Audio Operations. She added, ``I am pleased that Lake chose to utilize DigitalDNA from Motorola in the form of the Symphony DSP family to develop their algorithm for this application. Dolby Headphones is an excellent example of a `smart' technology.''

The Dolby Headphone algorithm will be demonstrated at the Motorola booth at the consumer equipment show CES 2000. A version that can be downloaded in RAM on the DSP56362 is scheduled to be available in first quarter 2000. Work also continues to combine audio decoders and Dolby Headphones on a single chip, the recently announced DSP56366.

The DSP56362 was the first Symphony® audio DSP to utilize the DSP56300 core. With speeds up to 120 MIPS, the DSP56362 provides the capability to handle all the major multi-channel audio decoding standards as well as other audio processing requirements such as subwoofer management, soundfield effects, 3D virtual surrounds, equalization, Lucasfilm THX® Cinema processing and Pacific Microsonics HDCD.

The DSP56362 is available now at authorized Motorola distributors. A comprehensive set of development tools is available for the DSP56362. Free DSP56300 assembler and simulator tools are downloadable from Motorola's website (www.dspaudio.motorola.com). Additional C compilers and debugging software tools are available from third parties.

As the world's No. 1 producer of embedded processors, Motorola's Semiconductor Products Sector offers multiple DigitalDNA(TM) solutions which enable its customers to create new business opportunities in the consumer, networking and computing, transportation and wireless communications markets. Motorola's worldwide semiconductor sales were (US)$7.3 billion in l998.

Motorola is a global leader in providing integrated communications solutions and embedded electronic solutions. Sales in 1998 were (US)$29.4 billion. http://www.motorola.com

Note to Editors: Dolby is a registered trademark of Dolby Laboratories. DTS is a registered trademark of Digital Theater Systems. THX is a registered trademark of Lucasfilm Ltd. Symphony is a registered trademark of Motorola Inc. DigitalDNA is a trademark of Motorola Inc.

Contact:

     Motorola, Inc.
     Flip Lockhoof, 512/895-3582 (Reader Contact)
     r16293@email.sps.mot.com
     or
     Editorial Contacts:
     U.S. & the Americas
     Betsy Hughes, 512/895-6503
     Betsy.Hughes@motorola.com
     or
     Funky Puppy Productions
     Tabitha Bailey, 818/879-5135
     tabitha@funkypuppypr.com
     Audrey Armstrong, 408/354-9053
     audrey@funkypuppypr.com
     or
     Motorola Japan Ltd.
     Koichi Yoshimura, 81-3-3280-8672
     rty490@email.sps.mot.com
     or
     Motorola, Inc.
     Regina Cirmonova, +41-22-799-1258 (Europe Press)
     r48996@email.sps.mot.com
     Steven Sloan, +41-22-799-1329
     r19283@email.sps.mot.com
     or
     Motorola Semiconductors
     Gloria Shiu, 852/2666-8237 (Hong Kong)
     r42970@email.sps.mot.com
     or
     Dolby Laboratories, 415/645-5116
     jja@dolby.com