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EFJohnson announces availability of enhanced P25 vocoder

Published Tuesday, June 12, 2007

Communications vendor EFJohnson is including the Enhanced Project 25 digital vocoder in its new P25 radios and will offer the capability as an upgrade to some existing customers, the company announced recently. Patented by Digital Voice Systems, Inc. (DVSI), the Enhanced P25 vocoder uses techniques such as noise suppression and improved error mitigation to deliver voice signals with “startling” sound quality that is much clearer and louder than the previous P25 standard, EFJohnson spokesman Kevin Nolan said. The difference has been quantified, DVSI President John Hardwick said in a statement. “Recent independent speech-quality testing shows DVSI’s Enhanced P25 ...

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