Acoustic Technologies ATH2000 Family of Full-Duplex Digital Voice Processors Brings New Level of Sound Quality to Speakerphone Applications.Business Editors & Technology Writers MESA, Ariz.--(BUSINESS WIRE)--July 26, 2002 Acoustic Technologies, a leading developer of high quality communication solutions for telephony Meaning "sound over distance," it refers to electronically transmitting the human voice. In the beginning, telephony dealt only with analog signals in the circuit-switched networks of the telephone companies. equipment, Friday introduced its family of ATH2000 Full-Duplex Digital Voice Processors for improved sound quality. These full-duplex speakerphone speak·er·phone n. A telephone or telephone attachment that contains both a loudspeaker and a microphone, allowing several persons to participate in a call at the same time without the telephone receiver being held. Noun 1. integrated circuits Integrated circuits Miniature electronic circuits produced within and upon a single semiconductor crystal, usually silicon. Integrated circuits range in complexity from simple logic circuits and amplifiers, about 1/20 in. (1. improve voice clarity in telephony applications by providing acoustic 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. , bi-directional noise reduction, sound enhancement, and network echo cancellation combined with sophisticated control. Applications such as desktop speakerphones, SOHO Soho (sōhō`, sə–), district of Westminster, London, England, known for its continental restaurants. Once a fashionable quarter, it became popular among writers and artists in the 19th cent. phones, and hands-free car kits will benefit from the unique SoundClear(TM) technologies included in the ATH2000 family of products. "Our Digital Voice Processors bring a new level of sound quality to speakerphone applications," said Sam Thomasson, Acoustic Technologies Chief Executive Officer. "There is tremendous demand for improved speakerphone performance in both business and consumer telephony including terminals in the growing VoIP arena and Bluetooth enabled accessories. By adopting one of the ATH2000 Digital Voice Processors, telephone equipment manufacturers will satisfy customers needs by enabling natural two-way conversations with superior sound quality over a speakerphone." Acoustic Technologies achieves high quality sound in speakerphone environments through a combination of patented techniques including sophisticated full-duplex control for reliable voice activity and noise detection with QuadraVAD(TM), enhanced non-linear processing, sub-band processing with Sub-band Adaptive Spectral Slicer(TM) and Ultra Long Echo Tail(TM) for up to 1500 ms echo tail. This integrated solution provides very fast convergence, long echo tail rejection, and dynamic adaptation to changing conditions such as noise, speech levels, or delay. The ATH2000 devices provide -40dB of acoustic echo cancellation and -20dB of network echo cancellation with fast convergence, even in the presence of background noise. The bi-directional noise reduction decreases the effects of background noise, even during speech periods. Sound enhancement increases the fullness and presence for rich and clear speech, and can be tuned for specific applications and user preferences. The ATH2000 system dynamically adapts to changing environments and enables natural conversation flow, just like a face-to-face conversation. The ATH2400 provides programmable registers for many features including thresholds and levels for gains, noise reduction, and residual echo enabling the device to be tuned for a given application. The ATH2100 is a non-programmable device optimized for typical office environments with easy control of speaker volume, microphone muting muting removal of the capacity of an animal to make a loud call. In the dog this is done by removal of a small part of each vocal cord. , and sound enhancements. Both parts are available in a 16-pin SOIC (Small Outline IC) A small-dimension, plastic, rectangular, surface mount chip package that uses gull-wing pins extending outward. See gull-wing lead, SOJ and chip package. package, with flexible interfacing. Evaluation kits for the ATH2400 are immediately available. About Acoustic Technologies Founded in 1998, Acoustic Technologies is a privately held company privately held company A firm whose shares are held within a relatively small circle of owners and are not traded publicly. headquartered in Mesa, Arizona Mesa is a city in Maricopa County, Arizona and part of the Phoenix-Mesa-Scottsdale Metropolitan Area. It is the third-largest city in Arizona, after Phoenix and Tucson. Mesa is one of the United States' fastest-growing cities, and currently ranks as the 38th-largest. . Acoustic Technologies creates high quality semiconductor and software solutions for leading telecom manufacturers worldwide. The SoundClear(TM) brand of full-duplex communication and echo cancellation solutions enable natural bi-directional communication in business speakerphones, mobile phones, VoIP telephones, Bluetooth accessories, and other telephony products. The company's patented technology is enabling incredible advancements in telecommunications Communicating information, including data, text, pictures, voice and video over long distance. See communications. sound quality. For additional information, the company can be reached directly at (480) 507-4376, or via the Internet at www.acoustictech.com. SoundClear, Sub-band Adaptive Spectral Slicer, Ultra Long Echo Tail, and QuadraVAD are trademarks of Acoustic Technologies, Inc. All other service marks and trademarks are the property of their respective owners. |
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