SPECTRUM ANNOUNCES A NEW VISUAL PROGRAMMING ENVIRONMENT (ViPEr) FOR DSP
SOFTWARE ENGINEERING

ViPEr reduces software design and debugging cycles for multi-processor and
multi-board systems

Vancouver, B.C., Canada, June 13, 1994 -- Spectrum Signal Processing, a
leader in DSP system and tool development, introduced today a new PC-based
software engineering environment that speeds prototyping and code
generation for large VME systems built around the TMS320C40 board.

Spectrum's new Visual Programming Environment -- ViPEr -- is a
Windows-based software development tool kit which helps engineers
substantially reduce system design and debugging time for complex
multi-processor, multi-board DSP systems. By automatically generating
optimized C40 DSP code from user created data-driven flow graphs,
Spectrum's ViPEr reduces the DSP software development effort by as much as
80 percent in select applications.

Spectrum's ViPEr was developed by the EDO Corporation of New York, a NYSE
listed company that designs and manufactures advanced electronic, acoustic
and hydrodynamic equipment for military and commercial markets. ViPEr
combines Spectrum's C40 hardware systems with EDO Corporation's software
technology to provide a complete programming environment. EDO has applied
this system on two of its major sonar projects, each of which utilized
over 20 Texas Instrument's DSPs.

"ViPEr is a proven solution for DSP designs," says Barry Jinks, President
and CEO, Spectrum Signal Processing Inc. "It can provide significant cost
savings as well as performance and productivity enhancements on a broad
range of DSP designs."

"EDO developed this tool kit to dramatically increase our productivity for
large-scale DSP system design," said Jonathan Schere, Director of
Electronic Systems, EDO Corporation, Defense Systems Division. "ViPEr and
Spectrum's CV series of VME products perfectly complement each other in
this environment."

Spectrum estimates that in many applications software engineers can
decrease coding and debugging time by at least half, with estimates of as
high as 80% in certain applications. ViPEr is currently available with
Spectrum's VME C40 product line. However, Spectrum intends to extend this
product to a broader range of platforms and products later this year.

Powerful Concurrent Development Environment

By defining the system architecture from the top-down using a series of
flow graphs ViPEr provides the users with the following: an easy
transition from early prototypes into full system implementation; and
rapid system integration and debug, a feature that is currently not
available in multi-processor development projects.

"In effect, ViPEr provides top-down and bottom-up concurrency on a
project," said Tim Marchant, Product Manager, Spectrum Signal Processing.
"ViPEr provides all of the complex supervisory and interprocessor code for
multi-board, multi-processor and even multi-chassis systems, so the
designer can focus on application building ."

How ViPEr Works

Applications are built within ViPEr by graphically linking components
selected from the ViPLib database of coded DSP software components and
then placing them in flow graphs.

The user has complete control of the code efficiency of all components
added to ViPLib, whether inherited from previous projects or newly coded,
as they are provided to ViPEr as C or optimized assembler code, not as
abstract algorithms.

ViPEr includes the tools needed to build and debug the application from the
integral library components. The product's Application Builder takes the
database of information and automatically builds the necessary supervisory
and inter-processor data structures. These are then linked with the ViPEr
Real Time Executive and with the ViPLib components, producing an
efficient, executable image for each DSP.

The application is then downloaded and debugged over an Ethernet interface
between the host PC and the target VME-bus system. The Graphical Debugger
provides the user with a live window into target hardware, and data from
the running application can be monitored from the PC in analog format
selected simply by clicking the mouse on points of the application's
source flow graph.

ViPEr pricing begins at $15,000 US and the product will be available in
September of 1994.

Spectrum Signal Processing is an industry leader in the development of
engineering tools, boards and software for the PC, VME and SBus
environments. These systems support Digital Signal Processors from all the
major vendors making Spectrum a leader in industrial applications. In
addition, the Company's new multimedia products for the consumer market
provide a leading edge desktop communications system for the business,
entertainment and education markets. Spectrum Signal Processing Inc. is a
public company traded on the NASDAQ NMS under the symbol SSPIF and on the
TSE and VSE under the symbol SSY.

Spectrum Signal Processing
8525 Baxter Place
100 Production Court
Bumaby, B.C. V5A 4V7
(604) 421-5422,  FAX: (604) 421-1764

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