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https://en.wikipedia.org/wiki/List_of_smartphones_with_HD_Voice_support
This is a list of smartphones that support wideband audio, better known as HD Voice and VoLTE.Wideband speech coding standards include MDCT-based audio coding formats such as Siren and AAC-LD, and ACELP-based formats such as Adaptive Multi-Rate Wideband (AMR-WB).
https://www.cultofmac.com/190565/the-iphone-5-supports-hd-voice-but-youll-never-get-to-use-it-in-the-u-s/
Sep 13, 2012 · You can use a codec called AMR-WB over a 3G GSM network like AT&T and T-Mobile, but they’re so busy rolling out their 4G networks that they won’t support it. …
https://en.wikipedia.org/wiki/Adaptive_Multi-Rate_Wideband
WIND Mobile also announced that several handsets will support HD Voice (AMR-WB) in the first half of 2011, WIND Mobile press release on HD voice with the first one being Alcatel Tribe. In January 2013, T-Mobile became the first GSM/UMTS based network in the US to enable AMR-WB.Standard: ITU-T G.722.2
https://cpratt.livejournal.com/714320.html
OK, I give up. It looks like iPhone has supported AMR narrowband since its release. My question is this: does the new iPhone 3G support AMR-WB? Or does it just support "regular" AMR? I am confused.
https://www.anandtech.com/show/6594/tmobile-announces-amrwb-hd-voice-calls-active-on-its-network
Jan 09, 2013 · HD Voice enables calls with a much wider dynamic range. AMR-WB is a direct successor to AMR-NB (narrowband) and offers higher frequency bandwidth of up to about 8 kHz (16 kHz sampling) as opposed to AMR-NB's 4 kHz. I'm unclear what bitrate or coding mode T-Mobile US is using,...Author: Brian Klug
https://www.leawo.org/tutorial/play-amr-on-iphone-1334.html
May 18, 2018 · The AMR format is a compressed audio format used by a lot of 3G cell phones for voice recording. You can find audio files in AMR formats on phones running Android OS, but not on iPhone because it’s no longer supported by iOS since iOS 4.3. So if you want to play AMR files on iPhone,...
https://www.howardforums.com/showthread.php/1825744-List-of-BT-headsets-that-support-Wideband-audio-HD-Voice-AMR-WB
Feb 10, 2015 · List of BT headsets that support Wideband audio / HD Voice / AMR-WB? HowardForums is a discussion board dedicated to mobile phones with over 1,000,000 members and growing! For your convenience HowardForums is divided into 7 main sections; marketplace, phone manufacturers, carriers, smartphones/PDAs, general phone discussion, buy sell trade and general …
https://stackoverflow.com/questions/6758167/about-amr-audio-file-playing-issue-on-different-devices
I have got a quite strange problem here. I am developing an IM software and need to play audio files recorded by another client on Android. The same audio file I've got can be played with AVAudioPlayer on 3GS(IOS 4.2.1) device and simulator 4.2.
https://www.reddit.com/r/tmobile/comments/9pjqpw/proof_that_the_newer_iphones_do_use_evs_enhanced/
Proof that the newer iPhones DO use EVS (Enhanced Voice Services) when you make or receive a call, instead of the older and more common HD Voice codec, AMR- WB. Close 84
https://www.forbes.com/sites/eliseackerman/2012/09/14/why-iphone-5s-support-for-hd-voice-will-mean-nothing-to-u-s-users/
Sep 14, 2012 · iphone 5 mockups [...] News that the iPhone 5 will support HD voice has been celebrated by cell phone users who assume, quite logically, that …Author: Elise Ackerman
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