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The Digital 1000 system is intended for the professional music market in such applications as live concerts and theatrical productions that require extremely high-quality audio. It is designed to provide superb audio quality and RF (radio-frequency) wireless performance for singers, speakers, and musical instruments. The system consists of a rack-mounted receiver and either a hand-held or pocket transmitter that can be used with a clip-on microphone or in instrument applications. It offers four user-selectable channels within the 900 MHz ISM frequency band, frequency response from 20 Hz to 15 kHz, an audio dynamic range of more than 120 dB and distortion of less than 0.2 percent.

``In designing the Digital 1000, we needed a controller that could handle the high data rates involved in true real-time digital signal processing, yet be small and inexpensive enough to use in a product without making it cost-prohibitive to our customers,'' said Achim Gleissner, Director of Product Marketing at Sennheiser. ``The Scenix SX Series proved to be the ideal solution. Able to process up to 50 million instructions a second, it can do the encoding, decoding, serializing and control functions fast enough to support the high audio quality we demand from our products, and is priced at a point that lets us offer our customers an outstanding value.''

Both the transmitter and receiver units of the Digital 1000 contain a Scenix SX28AC controller. In the transmitter, an analog-to-digital converter (ADC) changes the analog produced by a singer or instrument into a digital signal. The SX28AC uses its 50 MIPS of processing power to encode and serialize that signal and control its transmission to the receiver, performing calculations at a rate that normally requires a more expensive DSP (digital signal processor). In the receiver, another SX28AC de-serializes and decodes the signal, and applies it to a digital-to-analog converter (DAC) to generate the signal that drives the speakers. The Scenix controllers eliminate the need for a compander (compresser/expander), and the audio degradation associated with it, greatly improving the quality of the sound.

``Digital wireless transmission is the wave of the future in audio, and Sennheiser is a clear leader in the field,'' said Stephan Thaler, vice president of marketing at Scenix. ``We're very pleased that they selected Scenix to meet their need for a powerful, inexpensive controller for real-time data processing.''

Sennheiser

Sennheiser electronic GmbH & Co. KG, based in Wedemark, Germany, is the acknowledged world leader in microphone technology, RF wireless and infrared sound transmission, headphone transducer technology and active noise cancellation. Sennheiser has a worldwide distribution network, with subsidiaries in France, the United Kingdom, Belgium, the Netherlands, Singapore, China, Canada, Mexico, and the U.S., and independent distributors in many other countries.

Scenix

Headquartered in Mountain View, California, Scenix provides communications software and controllers for embedded applications, with a market emphasis on embedding the Internet in everyday things. Scenix is the leading supplier of Virtual Peripheral(TM) software modules, which are functions that are conventionally realized in hardware. The company's software system-on-a-chip approach reduces time to production and system cost, while providing greater flexibility, compared to traditional design approaches.

Recognition includes:

--   "Investor's Choice" award, December 1999, as one of the top 10
     privately held companies at the Technologic Partners "Technology
     Outlook Conference"

--   "50 Hot Products of 1999" by EDN Europe for the SX-Stack TCP/IP
     network protocol stack

--   "100 Hot Products of 1998" by EDN for the 100 MIPS SX Series
     communication controller

--   "10 Top Processor List of 1998" by Electronic News for the 100
     MIPS SX Series communication controller

Additional information on Scenix and its products can be found on the Web at www.scenix.com. (tm) Virtual Peripheral is a trademark of Scenix Semiconductor, Inc. All other trademarks used herein are the property of their respective owners.

Contact:

     Scenix
     Stephan Thaler, 650/210-1500
     stephan.thaler@scenix.com
         or
     FS Communications
     Joe Fowler, 650/691-1488
     joe@fscomm.com
         or
     Sennheiser electronic GmbH & Co. KG
     Edelgard Marquardt, +49-5130/600-329
     Fax: +49-5130/600-295
     www.sennheiser.com
         or
     Fluxx.com (For Sennheiser)
     Sean Keogh, +49-40-8537-88
     Keogh@Fluxx.com