While we are more or less used to High Definition video, how about your ears? Are they up to snuff, what with the HD Voice making a splash in the VoIP scene? There is a way to measure sound quality, just like how pixel count matters where visuals are concerned. To get an idea on how HD Voice sounds like, GigaOM has decided to run a little experiment by recording three different scenarios, comprising a standard cellular to cellular call, a cellular to VoIP call over 3G, and a cellular to VoIP call over Wi-Fi. So far, the results have been rather encouraging, where folks on the other end of the line claim that voice quality is fantastic, even for free calls, and it is expected that the moment voice calls become data, call quality improvements are tipped to happen, assuming carriers do their part and make allowance for the additional bandwidth used across the wider range audio codecs.

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