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Coherent and Noise Cancellation Technologies join to cancel network noise.


LEESBURG, Va.--(BUSINESS WIRE)--June 7, 1995--Coherent Communications Systems Corp. (NASDAQ NASDAQ
 in full National Association of Securities Dealers Automated Quotations

U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on
: CCSC CCSC Consortium for Computing in Small Colleges
CCSC Cheung Chuk Shan College (Hong Kong)
CCSC Chicagoland Construction Safety Council
CCSC Cemetery Consumer Service Council
CCSC Commercial Computer Security Centre
) of Leesburg, Va., has today announced an agreement with Noise Cancellation (1) The elimination of unwanted signals in an electronic circuit. See noise and dynamic noise reduction.

(2) The elimination of unwanted noise in the environment using noise cancelling headphones.
 Technologies Inc. (NASDAQ: NCTI NCTI National Center for Technology Innovation
NCTI National College of Technical Instruction (Roseville, CA)
NCTI National Centre for Trade Information (India)
NCTI National Cable Television Institute
) to provide noise cancellation in telecommunications networks.

Under the terms of the contract, Coherent will be offering NCT NCT National Childbirth Trust
NCT National Car Test
NCT North Carolina Theatre
NCT National Coordination Team
NCT Northern California TRACON
NCT Noise Cancellation Technology
NCT Network Control and Timing
NCT Nicotine Replacement Therapy
 technology under license, in conjunction with its proven range of voice enhancement, echo cancellation The elimination of an echo in a two-way voice transmission. Echo is created in the telephone company's central office switch when two-wire lines from the customer are converted to four-wire lines for backbone trunks.  and audioconferencing products. The two companies will also be working together to create new noise cancellation products, designed to stand on their own for future network applications.

This move is in line with Coherent's continual quest for Verb 1. quest for - go in search of or hunt for; "pursue a hobby"
quest after, go after, pursue

look for, search, seek - try to locate or discover, or try to establish the existence of; "The police are searching for clues"; "They are searching for the
 improved telecommunications quality, as the Company's President and Chief Operating Officer Chief Operating Officer (COO)

The officer of a firm responsible for day-to-day management, usually the president or an executive vice-president.
, David L. Powell, explains: "This agreement is in line with our continuing efforts to eliminate noise, especially coding noise, acoustic echo and low frequency background noise, that has become a major problem within modern digital and wireless circuits. By integrating NCT's noise cancellation technology into our Sculptured Sound(R) software product, for example, we can provide telcos with unparalleled voice quality -- once again demonstrating Coherent's total commitment to quality."

In addition to incorporating noise cancellation into the Sculptured Sound product, the company will offer a separate software package for use with the EC-6000 and EC-7000 digital echo cancellers. Noise cancellation will help to improve the operating quality and efficiency of DCME DCME Digital Circuit Multiplication Equipment
DCME Drake Continuum Map Editor (for online game Continuum) 
 equipment, digital cellular voice encoders and other voice compression Same as speech compression.  devices. It will cancel noise generated by imperfect transcoding devices, and the circuit noise which is prevalent on many of the world's networks. It will also address the external noise frequently found on wireless networks.

"NCT technology has widespread application within the vast communications industry," said Michael J. Parrella, executive vice president, NCT. "We are pleased that Coherent Communications has recognized the benefits of the technology and has agreed to pursue applications in their areas of interest. We look forward to a successful relationship with this industry leader."

Coherent will also be integrating noise cancellation into its audioconferencing systems to remove the unwanted noise generated by fans, motors and air conditioning, as well as noise from external sources such as traffic, wind, machinery and other sources.

Noise Cancellation Technologies, an industry leader in active noise and vibration reduction, has executive offices and product development facilities in Linthicum, Md.; sales and marketing offices in Stamford, Ct., and marketing and technical support offices in Cambridge, UK and Tokyo.

Coherent Communications Systems Corp. is a worldwide leader in state of the art voice enhancement technology, spanning echo cancellation platforms and associated network software. The company's products are used globally by major commercial telecommunications companies and network operators, including AT&T Wireless, Cellular One, British Telecom, Telmex, Deutsche Telekom and France Telecom among the extensive list. Coherent's expertise in acoustic echo cancellation is also reflected in its state of the art, full-duplex audioconferencing systems, which support desktop, teleconferencing and videoconferencing applications.

CONTACT: Coherent Communications Systems Corp., Leesburg

Diane McClelland, 703/729-6400, ext. 311

Georgina Garrett (Garrett Axford), 441273 441200

or

Noise Cancellation Technologies

Joanna Lipper, 203/961-0500, ext. 308
COPYRIGHT 1995 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 1995, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Date:Jun 7, 1995
Words:502
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