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The XG-Quad features 4-channel sound, with 64 XG voices in hardware. Software providing 256 XG voices is available as an option. Further, it provides either optical or coax S/PDIF I/O. OEMs and System Integrators will be the first to benefit from the rich, full, quality sound at prices affordable for the industry. Retail availability will be announced at a later time.

The new sound card uses Yamaha's YMF744 (DS-1S) chip and supports the Environmental Audio Extensions(TM) (EAX(TM)) open standard. The signal to noise ration (S/N) is greater than 90 dB.

``The real benefit here is for the manufacturers of mid-range systems,'' said Jose R. Villafuerte, director of sales and marketing for Yamaha Systems Technology Inc. ``These systems manufacturers can now offer their customers high quality XG sounds, that support legacy and the latest technologies, at an affordable price.''

Additional Features of Yamaha XG-Quad Sound Card

--   Surround sound providing 4 channels of audio (left, right,
     rear-left, rear-right).
--   S/PDIF output that can send Dolby(TM) Digital encoded digital
     data.
--   EAX 4-channel support.
--   Real DOS mode through a TSR.
--   3-D sound technology by Sensaura.
--   Full duplex hardware for telephony functions.
--   PC99 compliant.
--   Optional digital I/O with coaxial or optical connectors.
--   PCI Bus Master Interface (PCI 2.2 compliant).
--   Supports AC97 4-channel sound, 4 speakers.
--   MPU-401 UART-compatible MIDI interface on a second bracket
     (option).
--   Software options include S-YXG100.

Price and Delivery Samples are available now. Production quantities available July 1999. Pricing available on request.

Yamaha Systems Technology Inc. was founded to manufacture and market integrated circuits, board level products and complete systems to OEMs and Distributors. The product line includes multimedia audio, graphics and communications products, as well as custom and semicustom ASICs, and CD Recorder products. www.yamahayst.com.

All trademarks are the property of their respective companies.

Yamaha Systems Technology Inc.

100 Century Center Court

San Jose, California 95112

Contact:

     Yamaha Systems Technology Inc.
     Jose R. Villafuerte, 408/467-2300
       jvillafuerte@yamaha.com
                 or
     The Lekas Group
     Joyce Lekas, 602/991-6959
       joyce@lekas.com