Bharti Airtel in the month of March 2013 launched high quality voice service for its subscribers in Kenya, Rwanda, Malawi and Nigeria in the African sub-continent.
With the launch of service Airtel becomes the third operator to launch a mobile HD voice service in Africa. Further launches will be scheduled in 2013.
The benefit of HD voice service is that, customers can talk normally and be heard clearly, without having to raise their voice, even in noisier environments.
As per the Surveys conducted it was confirmed that customers place a high value on HD voice the new service will enrich end-user experience for Airtel subscribers.
Advantages of HD Service
• Mobile HD voice enables high quality voice calls because it reduces the background noise often heard on a regular call.
•I t is based on AMR (Adaptive Multi Rate) wideband technology (W-AMR) which operates with nine different bit rates, providing high quality voice calls.
• Compared to the current narrow-band speech codec device, the W-AMR speech-compression algorithm doubles voice bandwidth and produces better results.
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