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Orange silences noisy phone calls

Orange has launched what it claims to be the biggest advance in voice calls in 20 years. The so-called HD Voice uses noise cancellation technology to improve the clarity of mobile phone sound by filtering out background noise.

Orange has launched what it claims to be the biggest advance in voice calls in 20 years. The so-called HD Voice uses noise cancellation technology to improve the clarity of mobile phone sound by filtering out background noise.

HD Voice runs on the 3G network and uses the wideband adaptive multi-rate (WB-AMR) speech codec. This aims to improve audio quality by using a wider speech bandwidth of 50-7000Hz compared to the current narrowband speech codec of 300-3400Hz. The WB-AMR speech codec delivers significantly enhanced sound quality while utilising the same network resources, Orange said.

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Orange silences noisy phone calls

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This was first published in September 2010

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