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Helping to hear clearer than ever
Ericsson's AMR (Adaptive Multi Rate) Wideband technology looks set to revolutionize mobile voice telephony after its first successful trial in a commercial network.
November 3, 2006
AMR Wideband not only delivers vast improvements in general voice-call clarity, but also during whispered conversations and in environments with high levels of background noise, effectively addressing issues that end users find most annoying.
The technology also facilitates improved operator services, such as enhanced personalized ringback tones and multi-party conferences.
Ericsson staff in Germany and Sweden developed and delivered a four-week trial, which involved 150 T-Mobile International customers in Cologne and Hamburg. Trial results verified studies from Ericsson Consumer & Enterprise Lab, which found that improvements in voice quality can significantly increase minutes of use in mobile networks, raise penetration levels and improve end-user satisfaction.
More than 70 percent of trial participants reported significant improvements in call voice quality when using AMR Wideband.
Klaus-Juergen Krath, T-Mobile International's head of Radio Access Network Engineering, says: "TMO (T-Mobile International) is absolutely committed to constantly improving the user experience for our customers and AMR Wideband offers a voice quality as yet unknown in telephony. The early customer trial delivers valuable feedback, which can be used in a future implementation phase."
Fredrik Alatalo, head of Mobile Core at Ericsson and the trial sponsor, says consumer trials and service performance understanding are central to creating successful products, as the technology is still in development.
"We are happy to support our customers with trials of state-of-the-art technology and, at the same time, provide them with valuable information about consumer behavior," he says.
