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Sprint Reveals Details of HD Voice Service

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Quality

Rich Brome

May 9, 2012, 4:55 PM
Oh, and I tried it today. It does, indeed, sound really great! Smile (Eric tried it out at the EVO 4G launch event, but this was my first time using it.)

You can finally hear a pin drop on your Sprint phone. Wink
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bones boy

May 9, 2012, 6:36 PM
Hey Rich, hope you've been well. So isn't this just really a voice codec change/channel allotment difference? Maybe the equivalent of GSM's EFR codec?
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Rich Brome

May 10, 2012, 6:55 AM
That's the main component. It's more than that, though, as the version Sprint is implementing requires CDMA 1x Advanced.

As I tried to explain in the article, Sprint is also bundling/requiring active background noise suppression in the phone in the complete package of stuff that Sprint will be branding "HD Voice".

But really, the difference is dramatic. It doesn't sound a little better. It sounds a lot better.
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andy2373

May 9, 2012, 8:53 PM
So you tried it between two Sprint phones that could support it? As the article says? Or was it just a call made from a Sprint HD phone to some other non HD phone?
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Rich Brome

May 10, 2012, 6:57 AM
Yes, it was an active call between two HTC EVO 4G LTE phones, using a small 1x Advanced cell set up at the Qualcomm booth.
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island-guy

May 10, 2012, 11:46 PM
Are they already converted to 1x Advanced? This will be a decision maker for me come October.....Will 1x Advanced allow simultaneous data/talk as well?
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rawvega

May 11, 2012, 9:15 AM
island-guy said:
Are they already converted to 1x Advanced? This will be a decision maker for me come October.....Will 1x Advanced allow simultaneous data/talk as well?


No, 1x Advanced doesn't allow simultaneous data/talk. However, SVDO does and from the FCC docs it appears the the Evo LTE is SVDO enabled just like the LG Viper which indeed does simultaneous data/talk.
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Jayshmay

May 9, 2012, 10:04 PM
Might you know what Vzn's timeline is for VoLTE?
And if there is any chance the GSIII might support
VoLTE?
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