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Ensigma, Ltd., Develops Enhanced Variable Rate Codec Software On DSP Group's OakDSPCore®

CHEPSTOW, United Kingdom, Oct. 21 -- Ensigma announced today the completion of its Enhanced Variable Rate Codec (EVRC) IS-127 implementation for DSP Group's OakDSPCore®. The EVRC Codec is used in the IS-95 CDMA system offering enhanced speech quality compared to the original 8k QCELP vocoder. EVRC is also to be used in the Japanese W-CDMA and U.S. CDMA-2000 systems. Clifford Parris head of the coding group at Ensigma, said ``We are the first company to be offering an EVRC solution'' The company said the excellent development tools offer a faster time to market compared to rival DSPs.

``We are pleased to have Ensigma as a developer and software provider for our OakDSPCore,'' said Gideon Wertheizer, vice president of corporate marketing for DSP Group. ``Ensigma's EVRC solution allows OEMs to bring CDMA systems to the market quickly,'' Wertheizer continued.

The following tables summarize Ensigma's EVRC offering for the OakDSPCore:

The following tables summarize Ensigma's EVRC offering for the OakDSPCore:

    Features and Benefits

    * Conforms to                        The Ensigma implementation is fully
       OakDSPCore C environment.         compliant with TIA/EIA bit-exact
    * Full test harness supplied         specifications:
       for OakDSPCore simulator.
    * Full documentation.                * IS-127
    * Includes channel                   * IS-718
       post filtering.
    * Includes noise cancellation.
    * Supports multiple channels.

    Processor and System Requirements

    * Program memory (ROM):  14952 words    * Encoder MIPS:  21.19.  Worst
                                              Case frame measured over IS-718
                                              bit exact test vector suite.
    * Data memory (ROM):  7334 words
                                            * Decoder MIPS:  2.96. Worst case
    * Data memory (XRAM):  1630 words          frame measured over IS-718 bit
     (permanent per channel) + 1899             exact test vector suite.
     words temporary (including I/O buffers)

    * Data memory (YRAM):  504 words

The company said that the OakDSPCore has proven itself as the DSP of choice for mobile communications offering a compact and efficient solution. The company also said that further optimization of the software will be ongoing throughout 1998 including investigation of non bit exact solutions.

About Ensigma

Ensigma is the leading European commercial company in speech and signal processing. In-house facilities also cater for hardware designs at the PCB level, as well as customized FPGAs and ASICs. Our clientele of global enterprises has repeatedly proved Ensigma's leadership in DSP implementation. Since its incorporation in 1986, Ensigma Ltd has made dramatic progress to become a leading supplier of research, design and implementation expertise in advanced speech and data communication systems. The company, located in Chepstow, UK, has applied its experience to audio broadcast and telecommunication systems specializing in highly optimized DSP implementation of state-of-the-art algorithms.

About DSPG

DSP Group, Inc. (Nasdaq: DSPG) is a leader in the development and marketing of high-performance, cost-effective digital signal processing cores, used in a wide range of applications for industries such as wireless communications, telephony and personal computer. By combining its DSP core technology with its advanced speech processing algorithms, DSP Group also delivers a wide range of enabling application-specific DSPs. DSP Group is located in Santa Clara, California.

This press release is also available through DSPG's News on Call fax service, which can be reached at 800-758-5804, company code 112025.

NOTE: OakDSPCore is a registered trademark of DSP Group, Inc. All rights reserved world-wide.

Michael Cohen
Investor Relations
DSP Group, Inc.