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AMR-WBAdaptive Multi-Rate Wideband
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References in periodicals archive ?
After years of trials, AMR-WB was made commercially available in September 2009, when Orange launched the world's first high-definition voice service for mobile phones in Moldova.
And an adaptive suboptimal pulse combination constrained (ASOPCC) method was presented in [14] to embed data into compressed speech signal of AMR-WB codec.
Being music phones, they will support a wide range of audio formats like MP3, OGG, ACC, ACC +, eACC +, AMR-NB, AMR-WB, WAV, MID, IMY, FLAC and WMA.
In a later release, Orange said it would be supporting HD voice by the end of July and various consumer trials are taking place now for users with the appropriate Nokia handsets supporting the AMR-WB codec.
"The network appliance provides a modular and flexible solution to generate real voice calls using industry standard voice codecs such as G.711 A/[micro]-law, G.722, G.722.2 (AMR-WB), G.722.1, G.726, G.729A/B, GSM (EFR, FR and HR), AMR (Narrowband and Wideband), EVRC, EVRCB, EVRC-C, iLBC, Speex, SpeexWB, RFC 2833, and user-defined codecs for voice and tones."
The VoLTE supports HD voice over AMR-WB networks and requires sophisticated testing for both voice and data quality.