Hot on the heels of T-Mobile, AT&T has announced that it will be rolling out its own HD Voice service later this year.
T-Mobile just announced its very own iPhone 5 and no-contract plans. One of the little subplots was that this would be the first iPhone to support HD Voice. We just went ears-on with to see if it's a difference you can actually hear.
As people increasingly abandon voice calling for texting and emailing, audio quality has been a bit neglected. But Sprint's debut of the HD voice-compatible Evo 4G LTE signals that carriers are starting to kick the quality up a notch. The jump from your current phone to HD voice is like switching from dialup to…
After being trialled in Moldova (yes, I had to look it up too), UK carrier Orange has launched HD Voice in the UK today, which uses the AMR-WB codec for higher-quality calls and reduction of background noise.