comscore This technology lets you take calls by blowing at your smartwatch
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This technology lets you take calls by blowing at your smartwatch

Whoosh uses the smartwatch’s microphone and machine learning to identify the different breath patterns and then assign an action to each.

  • Published: January 30, 2017 11:18 AM IST
wearable-technology-1

You may now take calls by simply blowing at your smartwatch, thanks to scientists who have created a number of new ways to interact with small screen devices that are hard to control with fingers. Researchers at Georgia Institute of Technology in the US created Whoosh, a technique that allows a person to control the watch by blowing, exhaling, shushing, sipping or puffing on the screen. Also Read - You can now own a Bugatti at around Rs 80,000

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The watch uses its microphone and machine learning to identify the breath patterns of each acoustic event, and then assigns an action to each. For example, a wearer can shush the watch to ignore a call or blow on it twice to accept. The watch can also be locked or unlocked using a correct combination of short or long breaths. Voice recognition sometimes produces incorrect words when dictating a text message. Blowing quickly on the watch can erase words, while blowing on it longer will send the text message when ready. The technique also works with smartphones. A user can transfer content from the watch to a smartphone simply by sipping it off the watch and puffing it on the phone. The technology could have potential for people with disabilities, researchers said.

Another new interaction technique WatchOut uses taps and scrolling gestures on the case and watchband, outside the watch screen. They are possible because of the watch’s gyroscope and accelerometer sensors, according to the researchers. “Other techniques that improve control of smartwatches have included 3D gestures above the screen, bigger screens or adding an extra armband,” said Cheng Zhang, a PhD student at Georgia Tech. ALSO READ: WristWhirl lets you control your smartwatch with hand movements

“We wanted to show it could be done with existing technology already common on today’s devices,” said Zhang. One demo app allows wearers to scroll up, down, left and right by swiping on the watchband. According to Zhang it makes it easier to interact with GPS maps or menus.

The study showed that scrolling on rubber watchbands was more accurate than leather bands due to the different friction of the materials. They also created an app that creates eight touchpoints on the device’s bezel. Rather than scrolling through a long list of apps, the user simply hits one of eight spots on the case to launch Facebook, for example. ALSO READ: Smartwatches can help detect sickness: Study

“Smartwatches aren’t very convenient when you’re carrying something,” Zhang said. “That’s why we wanted to create a technique that allows the user to tap the watch to accept or deny phone calls. Hitting the right side answers the call; the left side ignores it,” he said.

The final project, TapSkin, allows users to tap on the back of their hand to input numbers 0-9 or commands. The technique uses the watch’s microphone and inertial sensors to detect a total of 11 different tapping locations on a person’s skin around the watch.

BONUS VIDEO: The Weirdest Gadgets from CES 2017

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  • Published Date: January 30, 2017 11:18 AM IST



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