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  Industry News  A New Version of G.722.2 (AMR-WB) Vocoder Released by GAO
Industry News

A New Version of G.722.2 (AMR-WB) Vocoder Released by GAO

GAO Research Inc.GAO Research Inc.—May 6, 20090
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Toronto, Canada – GAO Research Inc. (www.GAOResearch.com) has released a new version of the G.722.2 (AMR-WB) vocoder, which has been upgraded for better performance. This vocoder is ITU-T G.722.2 compliant and has passed all ITU-T test vectors. The G.722.2 standard uses a wideband, adaptive multi-rate algorithm. Applications for this vocoder include video phones, audio/video conferencing, and media gateways.

GAO’s G.722.2 vocoder provides both full and half duplex modes of operation and operates at rates of 6.6kbit/s to 23.85kbit/s. By utilizing a wide bandwidth of 50Hz to 7KHz, the G.722.2 algorithm provides higher-than-toll quality speech. The algorithm utilizes ACELP technology. Both the IP network and the 3G network use G.722.2 which provides seamless interoperability. All GAO software are subject to the most stringent quality control procedures, which is reflected in its well structured code, detailed design documentation, and well-defined design and test plans. This ensures ease of integration into the user’s system, easy maintenance, and a smooth upgrade path for next-generation products.

For more information about GAO’s G.722.2 (AMR-WB) vocoder, please visit www.GAOResearch.com or contact [email protected].

About GAO Research Inc.

GAO Research Inc. is a recognized international leading provider of communications software to telecom and electronics companies and provides the most comprehensive and unique suite of modem, fax, telephony, speech software, VoIP, FoIP, fax relay and fax/modem/voice relay software for embedded applications for DSP and microprocessors.

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For more information please visit www.GAOResearch.com

GAO Research Inc. is a member of GAO Group, which also includes

GAO RFID Inc. – www.GAORFID.com

GAO Tek Inc. – www.GAOTek.com

GAO RFID Asset Tracking – www.GAORFIDAssetTracking.com

GAO Embedded – www.GAOEmbedded.com

GAO Instruments – www.GAOInstruments.com

GAO Comm – www.GAOComm.com

GAO Fiber Optics – www.GAOFiberOptics.com

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