Microsoft boosts Windows Phone voice search speed, accuracy

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Microsoft (NASDAQ:MSFT) is updating its Bing voice recognition and search software, promising Windows Phone users significant improvements in both speed and accuracy.

"Now when you compose a text message or search using your voice, Bing will return results twice as fast as before and increase accuracy by 15 percent," the Bing Search Team said, citing improvements enabling the search engine to more easily identify speech patterns and minimize the impact of ambient and background noise.

Microsoft credits the boosts to Deep Neural Networks, a technology that draws inspiration from brain neuron functions to detect behavioral patterns. "By coupling [Microsoft Research's] major research breakthroughs in the use of DNNs with the large datasets provided by Bing's massive index, the DNNs were able to learn more quickly and help Bing voice capabilities get noticeably closer to the way humans recognize speech."

Microsoft is currently rolling out the Bing upgrades to Windows Phone device owners across the U.S. The company promised additional speech recognition improvements in the future.

At the close of the three-month period ending in April 2013, Windows Phone powered 5.6 percent of all U.S. smartphones, up from 3.8 percent a year ago, research firm Kantar Worldpanel ComTech reports. Despite its growth, Windows Phone still lags far behind Google's (NASDAQ:GOOG) Android at 51.7 percent U.S. market share, followed by Apple's (NASDAQ:AAPL) iOS at 41.4 percent.

For more:
- read this Bing Blog post

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