So this definitely isn't your ordinary hands-on -- there's really no way to accurately capture audio coming through the earpiece in a mobile phone -- so, well, we'll just have to use our words. Sprint's just-announced HTC EVO 4G LTE is the first device to feature what the carrier has coined "HD Voice." The smartphone uses dual microphones, along with encoders and decoders to capture and transmit your voice from one equipped device to another -- that's right, for now, you and another caller will both need to be using this specific handset, paired with compatible network access points, which Sprint will begin rolling o
