3DsoundSurge Press Release: Analog Devices Announces Dolby Headphone Implementation On Melody Chipset

Analog Devices Announces Dolby Headphone Implementation On Melody Chipset

SHARC DSP-based chipset delivers realistic 5.1-channel digital audio via any stereo headphones

Norwood, MA (January 06, 2000) - Analog Devices, Inc. (NYSE:ADI) today announced an implementation of Dolby Headphone™ on its MELODY ™chipset. The new ADSST-MELODY-1000 Dolby Headphone™ chipset delivers 5.1- or 2-channel digital audio via ordinary stereo headphones emulating a 5.1-loudspeaker playback system. The digital audio sources include 5.1-channel Dolby™ Digital, MPEG2 AAC, MPEG2 Audio Layers 1 and 2, MLP™ or PCM from DVDs, computers, HDTV, game consoles, digital cable, digital satellite. The audio sources also include 4-channel Dolby™ Pro Logic™from videotapes and laserdiscs, and two-channel stereo MP3 and MPEG1 Audio Layers 1 and 2 from CDs, the Internet, MP3 players and game consoles. The ADSST-MELODY-1000 chipset features the SHARC DSP (Digital Signal Processor), popular throughout high fidelity audio applications in professional and consumer electronics equipment.

Dolby Headphone™, a patented technology developed by Lake Technology Ltd. and licensed to Dolby Laboratories, is a unique signal processing system that enables any pair of stereo headphones to realistically portray the sound of a 5.1-loudspeaker playback system. It can be incorporated into any type of audio or video product normally featuring a headphone outlet.

"Analog Devices is excited to deliver the audio experience of multichannel digital audio to headphone users," said Mike Haidar, general manager, Software & Systems Technology Division, Analog Devices. "Our MELODY implementation of Dolby Headphone™ delivers the listening experience of multichannel digital audio to millions of headphone users for the first time."

"Lake Technology has developed this unique technology to enable consumers to get the full enjoyment of 5.1-Channel Surround Sound with headphones. People will now be able to experience full surround sound with DVDs in portable equipment, with computers and at home when times call for the use of headphones," said Leonard Layton, Lake Technology Marketing Director.

The ADSST-MELODY-1000 chipset features a 32-bit, floating-point implementation of the Dolby Headphone process.

About Lake Technology Ltd.
Lake Technology (previously Lake DSP) is an innovative Australian owned and operated company with a primary focus on researching, developing, commercializing and licensing digital signal processing technology. Founded in 1991, Sydney-based Lake Technology (ASX – LAK) has representation in Los Angeles, London and Tokyo. For more information please consult the company web site www.lake.com.

About Analog Devices
With fiscal 1999 sales of $1.45 billion, Analog Devices, Inc. (NYSE: ADI) is a leading manufacturer of precision high-performance integrated circuits used in analog and digital signal processing applications. Headquartered in Norwood, Massachusetts, the company employs approximately 7,400 people worldwide, and has manufacturing facilities in Massachusetts, California, North Carolina, Ireland, the Philippines, and Taiwan. Analog Devices' stock is listed on the New York Stock Exchange and the company is included in the S&P 500 Index.