A brief chunk of today's iPhone 5 event was dedicated to the new smartphone's support for "wideband audio" phone calls. What wideband audio offers is phone calls with audio that's been less compressed than your typical cell phone call. The average cell phone emphasizes the mid-range where most of your voice pitch resides, and heavily compresses and thus distorts the higher and lower ranges. Wideband audio still applies some compression, but it's not as harsh on the upper and lower frequencies, offering a wider range of pitch and thus more lifelike sound. For those of us with deep gravely voices or the pitch of a small child, wideband audio will make phone calls less frustrating.
Unless you're on Sprint, which apparently won't support wideband audio on the iPhone 5. According to a statement given to Phone Scoop by Sprint, the Now Network won't be offering their HD Voice service (the marketing name for wideband audio voice) on the iPhone 5.
No specific reasoning was given why Sprint won't be one of the claimed twenty carriers globally that will be supporting wideband audio on the iPhone 5, but if we had to guess, it's thanks to Sprint's implementation of the standard. On carriers that currently support wideband audio, they do it over a speedy HSPA network. Sprint, meanwhile, is doing HD Voice over their CDMA 1x Advanced network, which while faster than their current EVDO 3G offerings, isn't quite up to snuff with what HSPA can offer. Sprint does offer HD Voice on the Android-powered HTC Evo 4G LTE, though like Sprint's LTE network, only select markets will have HD Voice support by the end of the year.
We don't know what other carriers might offer support for wideband audio on the iPhone 5, but considering the dozens and dozens of carriers that will offer the device, it's disappointing to only hear the number twenty. Verizon's own HD Voice tinkering has been done with an EVDO 1x Advanced network not unlike Sprint's, so you can probably count them out too. AT&T hasn't tinkered with HD Voice at all, and given how stingy they tend to be about traffic on their network, we wouldn't expect them to either, unless they can find a way to charge for it. Sure, we don't make phone calls as often as we used to, but when we do we'd love for them to be sounding better than they currently do.
Source: Phone Scoop
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Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/gtRTMH9rZbk/story01.htm
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