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Music App Helps To Pump Your Heart During Exercise

by Bidita Debnath on November 14, 2012 at 11:23 PM
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 Music App Helps To Pump Your Heart During Exercise

A biofeedback-based system is being developed by a University of Virginia graduate student that helps smartphones select music that will help get their owners' heart pumping during exercise.

The music slows down when they want to cool down or relax.

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Called "Musical Heart," the system "brings together wellness and entertainment," said Shahriar Nirjon, a doctoral student in computer science in the School of Engineering and Applied Science.

Musical Heart works by merging a microphone that detects the pulse in arteries in the ear with earphones that bring in music from a playlist on a smartphone. An app selects tunes that optimize the heart rate of an individual user based on a given activity, whether running, walking or relaxing - playing fast-paced music for hard workouts, and slowing the beat for cool-downs.
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An algorithm refines the music selection process of the system by storing heart rate data and calculating the effects of selected music on the rate. Over time, it improves music selections to optimize the user's heart rate.

Musical Heart uses a pair of specially built earphones equipped with tiny sensors to continuously monitor the user's heart rate and activity level. That physiological information, along with contextual information, is then sent to a remote server, which provides dynamic music suggestions to help the user maintain a target heart rate.

The system learns, in essence, to select music that will have a desired effect on heart rate customized to the individual user, based on the effects of past music selections on the heart rate. In addition to helping to optimize heart rate for various activities, Musical Heart also can select music that helps the user relax.

"We've designed Musical Heart to be convenient, non-invasive, personalized and low cost," Nirjon said.

The Musical Heart system, which is not on the market, may cost about 20 dollars, Nirjon said, and is more than simply a monitor because of its music selection feature.

Nirjon will present his system at the 10th Association for Computing Machinery Conference on Embedded Networked Sensor Systems (SenSys 2012), in Toronto, Canada.

Source: ANI
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