AT&T Plans To Offer ‘HD Voice’ Later This Year
Last month, when T-Mobile USA announced that it will finally offer Apple’s iPhone, it also revealed that it will support iPhone 5′s Wideband Audio or HD Voice feature, which makes it the first carrier to support the feature in the U.S.
Wideband Audio or HD Voice extends the frequency range of audio signals transmitted, resulting in crisper word clarity and more natural sounding speech.
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