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ACTIVE NOISE CONTROL JOINT VENTURE TO MARKET SYSTEMS WHICH REDUCE NOISE AND IMPROVE ENERGY EFFICIENCY TO THE POWER GENERATION INDUSTRY

 PHOENIX, Sept. 2 /PRNewswire/ -- Active Noise and Vibration Technologies Inc. (ANVT) and Applied Acoustic Research Inc. (AAR) today announced a joint venture to manufacture and install active fan quieting solutions for the power generating industry. The new venture, Active Noise and Airflow Management Systems Inc. will offer products that quiet noise and improve airflow to power plant boiler units.
 Unlike existing "passive" or muffler-type fan quieting solutions, active fan quieting systems control the low frequency "rumble" emitted by large power plant fans. The ANVT-AAR fan quieting technology will also improve airflow and fan efficiency, resulting in significant energy savings.
 The equally owned ANVT-AAR joint venture capitalizes on the strengths of each party. AAR has cultivated a strong research reputation and has designed and installed customized active fan quieting systems; ANVT brings engineering proficiency, proprietary active technology, project management resources, advanced commercialization capability and marketing and distribution expertise with which to bring the fan quieting systems to market. Coupling ANVT and AAR capabilities provides the resources required to address the needs of the power industry. The initial focus is toward the North American market, although plans are being developed to exploit the vast opportunity that exists throughout the world.
 "The power plant industry is a very attractive and natural market for the fan quieting technology," stated Gary Baxter, ANVT's vice president of marketing and sales. "Federal and state environmental regulations, along with utilities' growing emphasis on `good neighbor' policies, are driving the need to minimize noise emissions. The ANVT- AAR joint venture effectively addresses this need." Baxter added, "Since the fan quieting systems decrease fan operating power requirements by as much as 6.5 percent, while dramatically improving airflow, the systems are especially attractive in an increasingly cost conscious power generation market."
 Active technology suppresses sound or vibration waves electronically through the creation and subsequent rebroadcast of mirror image waves. When the original waves encounter the computer-created waves, the two "cancel" each other, significantly reducing noise or vibration.
 Southern California Edison, a leader in innovative power plant technologies, and AAR jointly developed elements of the joint venture's fan quieting technology. In February 1992, AAR and Edison successfully installed a prototype fan quieting system at Edison's Cool Water Generating Station in Barstow, Calif. According to Bob Robey, Edison's senior engineer in charge of the project, "The system reduces low frequency noise levels by up to 20 decibels, while dropping fan inlet pressure by up to 60 percent." Four more active fan quieting systems are scheduled for completion at the Edison Redondo Beach Generating Station in Redondo Beach, Calif., by late fall 1993.
 "This venture presents an exciting new opportunity for Applied Acoustic Research," according to AAR President Ben Carnivale. "It provides a springboard for AAR to commercialize active noise control technology spawned by its ongoing R&D activities."
 Applied Acoustic Research is an affiliate of world renowned Oxford International Ltd. The Oxford group of companies, through its operating units in the United States, Mexico and Europe, develops and manufactures loudspeakers for the OEM automobile, hi-fi and musical instrument markets as well as special products for the aerospace and active noise control markets. Based in State College, Pa., AAR is headed by managing director Glenn Warnaka, the inventor of several significant base patents in the active technology field.
 Active Noise and Vibration Technologies Inc. is a recognized world leader in the active control of noise and vibration. Headquartered in Phoenix, with additional research and development facilities in England and Italy, ANVT is involved in the development, manufacturing and supply of active noise and vibration control products, for distribution under its own name and through strategic partners. ANVT's patented technologies are utilized in aerospace, industrial, consumer, marine, defense, automotive, and ground-based transportation applications.
 -0- 9/2/93
 /CONTACT: Sherri Bergstrom, 602-470-0020/


CO: Active Noise and Vibration Technologies Inc.;
 Acoustic Research Inc. ST: Arizona IN: SU: JVN


BP-LM -- SD001 -- 8273 09/02/93 09:05 EDT
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Date:Sep 2, 1993
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