SYBASE AND MICROWARE TEAM UP TO SPEED DELIVERY OF INTERACTIVE TELEVISION
APPLICATIONS

Sybase Intermedia Supports Microware's DAVID Operating Environment

EMERYVILLE, CA, May 9, 1995 -- Sybase, Inc., The Enterprise Client/Server
Company, today announced that its Intermedia product family will support
DAVID, the interactive television operating system environment from
Microware Systems Corporation. By supporting the DAVID with its Gain
Interplay application runtime software environment, Sybase extends to the
entire multimedia development community a highly efficient system for
presenting interactive television applications on inexpensive
Windows-based PCs and set-top boxes.

"We are extremely excited to announce that the DAVID development community
can now use Sybase's advanced authoring capabilities and integrate their
applications into Sybase's media content technology," said Russ Werner,
vice president and general manager of the Sybase New Media Division.

Gain Interplay enables interactive application developers to take advantage
of Sybase's powerful Intermedia architecture for authoring, delivering,
and managing the next generation of business and consumer interactive
information services, including the Gain Momentum suite of authoring
tools. Gain Interplay allows interactive multimedia applications to be
played on low-cost, low-memory, hardware devices such as television
set-top boxes and home personal computers. Gain Momentum provides the
interactive television developer a mature, proven development platform
that, when used in combination with the delivery capabilities of Gain
Interplay, offers the industry's only available, complete, and affordable
solution for end-to-end interactive television authoring and display.

"By providing efficient processing on a low-cost device, Gain Interplay
offers a leading solution to the problem of the high cost and resource
limitations of the consumer set-top market," said Steven Johnson,
executive vice president of new media at Microware Systems. "Gain
Interplay allows developers to create DAVID-based applications on their
current development platforms, and it enables service providers to offer
new applications for existing interactive television systems."

The availability of Gain Interplay on DAVID-based set-top boxes will
benefit hardware manufacturers, as well as customers for interactive
television, in three ways: lower costs, broader functionality, and
improved response times. Gain Interplay requires as little as two
megabytes of dedicated application space, while comparable alternative
runtime software systems on today's market require at least six megabytes.
Given the current cost of memory, the combination of Gain Interplay and
DAVID means a potential cost savings of hundreds of dollars per set top
unit and millions of dollars per major deployment. In the area of
interactive television functionality, Microware's DAVID offers an ideal
operating environment, supporting the wide range of applications and
development tools required by customers and enabling them to take full
advantage of the power of Sybase Intermedia products. Response times are
also improved using the Sybase/Microware technology, so that customers can
enjoy faster, more immediate interactions even with low-memory set-top
hardware.

About DAVID

DAVID (Digital Audio/Video Interactive Decoder) is a standard operating
system environment for interactive television decoders that can be used in
telephone, cable television, and wireless networks. Created and licensed
by Microware, DAVID is based on Microware's OS-9 Real-Time Operating
System, which runs on 68XXX, PowerPC, and X86 microprocessors. The DAVID
System supports both networked and local interactive applications,
graphics, and user interfaces.

More than 20 manufacturers - including General Instrument, IBM, Stellar
One, Philips, Zenith, Compression Labs Inc., Samsung, Mitsubishi, and
Goldstar- have adopted the DAVID platform for use in decoder products that
will be used in trials and network developments throughout 1995. Among
these are Bell Atlantic's planned deployment in Virginia and New Jersey,
Cox Cable's trial in Nebraska, and Hong Kong Telecom's and Telecom
Australia's video-on-demand pilot projects. The DAVID system is also
supported by leading video server providers including Oracle, N-Cube, DEC,
and IBM, thereby assuring an end-to-end solution for interactive
television.

Microware Systems Corporation

Founded in 1977, Microware was among the first microcomputer software
houses to serve the real-time software market. Microware is a total
solution supplier of real-time system software products, which encompass
not only high-performance real-time operating systems, but high-quality
network software and development tools such as optimizing compilers and
debuggers.

Microware supports over 750 OEM customers worldwide and has distributed
over five million copies of its OS-9 Real-time Operating System. Its
product line encompasses the entire spectrum of real-time requirements
found in industrial automation, instrumentation, telecommunications, data
acquisition, networking, scientific, and multimedia environments. OS-9 is
also used in a broad range of multimedia applications, including CD-i,
interactive TV, and other video-on-demand applications.

In 1994, Microware became the first real-time system software developer to
achieve certification to the ISO 9001 quality standard. Underwriters
Laboratories Inc. (UL) certified Microware on July 12, 1994.

Microware offices are located in Des Moines, Iowa; San Jose, California;
Tokyo, Japan; Winchester, England; and Aix-en-Provence, France. Microware
also has authorized distributors worldwide.

Sybase New Media

The New Media Division is Sybase's recently formed business unit targeted
to develop products and services for new emerging markets such as
interactive television (ITV), on-line services, and the Internet. Sybase
provides its core System 10 products and the SYBASE Intermedia product
family, an end-to-end software architecture for interactive, videocentric
services. The Intermedia architecture consists of Gain Momentum, Gain
Interplay, and the Intermedia Server. Sybase believes that, together,
these products currently provide the most scalable and interoperable
software architecture for interactive multimedia systems on the market
today. In fact, Sybase has been chosen to provide its software by leading
telecommunications and cable television companies in several interactive
television trials.

Sybase, Inc.

Sybase, Inc., is a worldwide leader in client/server software. Sybase is
focused in the four major client/server categories: databases, tools,
database systems management and interoperability, providing desktop to
enterprise scalability. The company's mission is to provide its customers
with an open, adaptable information systems architecture that enables
rapid business change. Headquartered in Emeryville, CA, Sybase is the
seventh largest independent software company in the world.

Sybase Inc
6475 Christie Ave
Emeryville, CA 04608
510-596-3500;  Fax: 510-658-9441

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