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Sprint Introduces Voice Peering to the US with EVO 4G LTE

TMCnews Featured Article


April 23, 2012

Sprint Introduces Voice Peering to the US with EVO 4G LTE

By Amanda Ciccatelli, TMCnet Web Editor


As Americans have moved to texting and emailing on their phones, voice peering and HD voice hasn’t been the first priority for phone manufacturers and carriers. However, there are companies creating innovative solutions with voice, such as Audience (News - Alert) with its noise-cancelling, sound-clarifying voice technology in phones like the Samsung Galaxy Note. Still, carriers try to cram voice calls into very skinny pipes, ultimately reducing call quality. But with Sprint's new HTC (News - Alert) EVO 4G LTE, call quality will be drastically improved.


PCmag.com recently revealed that the HTC EVO 4G LTE will further enhance voice calls by using a Qualcomm-provided, dual-microphone noise cancellation system. Sprint (News - Alert) product chief Farid Adib said the new voice system has improved the way it cancelled loud music in the background than the previous voice codec and it offers a more well-rounded voice sound.  

HD Voice uses a system called EVRC-NW which offers more breathing room for voice calls. Just like streaming a video over DSL rather than dialup, everything is clearer. According to Sprint’s Craig Sparks, EVRC-NW doesn't take up more room on the network than the previous EVRC codec, but it uses more advanced compression like switching from MPEG2 to MPEG4.

Additionally, Sprint is enhancing its older network using HD Voice as part of Sprint's Network Vision upgrade, which involves moving the company's CDMA network to a new technology called 1X Advanced.

Developed by Qualcomm (News - Alert), 1X Advanced supercharges the most basic, 2G part of Sprint's network, which happens to be the part that handles the voice calls. According to Qualcomm, 1X Advanced lets a cell site handle up to four times the number of voice callers it currently does, and lets cell sites extend voice coverage 70 percent wider than on previous 1X technology.

Sprint's Network Vision brings more than just HD Voice, it will also bring LTE (News - Alert). Although Network Vision, LTE and 1X-Advanced will start appearing on Sprint's network in mid-2012, Sparks said that the final missing pieces to enable HD Voice will appear in late 2012.




Edited by Jamie Epstein







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