Following In the footsteps of the earlier tests KPN has decided to gespreksverbetertechniek HD Voice on its entire 3g/umts network available. The functionality was previously already activated, but the provider has decided on.
At the beginning of this year, KPN announced HD Voice on its network to the test and on the basis of the experiences and reactions to decide whether the gespreksverbetertechniek would be maintained. Monday, the provider announced that customers actually have a better voice quality experience, and HD Voice so permanently will work.
To HD Voice, both the caller and the person who is called a unit that is HD Voice, which is based on the standard AMR-WB, supports. Various mobile oses such as Android and Windows Phone, to support the required codec, but the hardware and radio should also offer support for HD Voice. A second microphone is necessary, according to KPN earlier.
Currently support approximately 36 different aircraft HD Voice. That includes approximately 20 percent of the total number of aircraft on the Dutch KPN network. KPN has 5.3 million customers, making it plausible that between one and one and a half million telephones, the technique support. Phones from Apple and BlackBerry are not. HD Voice also works with customers of its subsidiaries, Hi and Telfort.
HD Voice is a technology in which the voice with a wider frequency range on the network is sent. Due to the used bandwidth is required the technique that the user, via the 3g network calling. Although KPN claims that there is no adverse effect to the battery life, is in many places the range of 3g is less than that of gsm, ensuring that users in practice a difference can brands.
Due to the higher frequency range, the sound clearer sound and background noise is less audible. As a result, people with accents and people who are inarticulate talk easier to understand through the phone.
Standard quality
HD Voice
Sound clip (standard_male.mp3)
Sound clip (hd_male.mp3)
Brand
Device support HD Voice
Samsung
Galaxy S II, Note, S Plus, Omnia W
Nokia
Lumia 800, Lumia 710, E6, 700, 300
HTC
Sensation-line, Desire Z, Desire S, Incredible S, Rhyme
Sony Ericsson
Xperia Arc, Neo, Play, Ray, Active, Arc S, Neo V, Live (all smartphones, 2011)
LG
Optimus Me, Optimus Black/White, Optimus 7.5, Prada Phone 3.0
Apple
No
BlackBerry
No
ZTE
Blade