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What is So Great About HD Voice?

TMCnews Featured Article


November 19, 2012

What is So Great About HD Voice?

By Robbie Pleasant, TMCnet Contributor


Can you hear me now? I assume not, since this is an article, and I’m not actually talking, but if I were, you’d want to be able to hear me in the clearest quality possible. As such, HD Voice has been in high demand, and for good reason.


If you want HD Voice on your mobile phone, there are a few things that you’ll need. For starters, your phone’s microphone and speakers had better be up to par. HD Voice processing software is also important, naturally.

This next part, however, is a little beyond your control: whomever you’re talking to needs an HD Voice ready phone as well. You must also be talking on a network that supports it, which is currently limited to a handful of companies (and only Sprint (News - Alert) in the US, which is using a completely different codec anyways).

HD Voice itself works similarly to high definition audio in MP3 players, to put it simply. It uses a codec to capture and digitize the audio, then send it and decode it into the highest quality it can, all within seconds of it being said.

Currently, mobile phones tend to use a standard Adaptive Multi-Rate codec that loses quite a bit of data, and works in a frequency range of 300 to 3400 Hz. HD Voice codecs, on the other hand, is Adaptive Multi-Rate Wide Band, and provides 50-7000 Hz, which captures and provides a much better voice quality than traditional mobile phones.

Of course, this is a simplified explanation, but it stands to show just how different regular mobile phone voice is when compared to HD Voice. There are several networks in the UK and Canada that offer HD Voice, and it’s set to take off to even more. The US isn’t so lucky, but with the expansion and increasing demand for HD Voice, it’s not hard to imagine we’ll be seeing it there soon too.

Want to learn more about the latest in communications and technology? Then be sure to attend ITEXPO Miami 2013, Jan 29- Feb. 1 in Miami, Florida.  Stay in touch with everything happening at ITEXPO (News - Alert). Follow us on Twitter.




Edited by Amanda Ciccatelli







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