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Three HD Voice Ensures Clearer Calls


Introducing HD Voice on Three

  • Available NOW on most Three mobile handsets.
  • HD Voice revolutionises your voice calls by drastically improving audio quality and reducing background noise.
  • Sounds like you're both in the same room with almost zero background noise.


Three Mobile gives you fantastic call quality with HD Voice.

Once you try HD Voice, you'll never go back to normal calls again! HD Voice is a free service, and available right now on most Three mobiles. With such an amazing range of handsets and tariffs which offer impressive allowances at leading rates, (not to mention a whole host of other benefits), there has never been a better time to choose Three and make the most of a great, fair service that doesn't suck.

3 big benefits of HD calls on Three:

  • Your conversations will have the same amazing crispness and full, rich tone as you’re used to getting from your digital radio and other great quality media players. There's no reason to give your ears anything less than the very best.
  • Three’s commitment to amazing speeds and coverage, means you can be assured that the technology for HD Voice is fast and flawless. And with the 4G rollout still underway, it's only going to get better!
  • Background noise will be just that: in the background, rather than a distraction that makes it almost impossible to concentrate on the important things! (Like making sure your friend meets you at five-thirty, not nine-thirty).

HD Voice offers improvements in the sound quality of traditional mobile voice calls by sporting a wider speech bandwidth of 50–7000 Hz compared to the current narrowband speech codec of 300–3400 Hz. HD Voice uses the WB-AMR (Wideband Adaptive Multi-Rate) speech codec to produce significantly enhanced sound quality whilst still making efficient use of network resources.