ST and XMetrics Help Swimmers Set the Pace in the Pool

GENEVA and MILAN, Italy, Oct. 12, 2015 (GLOBE NEWSWIRE) -- Tiny motion-sensing and data-processing chips from STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics applications, have enabled the ultimate activity tracker designed for swimmers by swimmers with breakthrough positioning accuracy and real-time audio feedback from XMetrics, an innovative wearable-tech maker.

The ergonomic and lightweight device, which shares the company's name, clips onto the goggles' band at the back of the swimmer's head. ST's 9-axis MEMS inertial module1 senses the body movements and provides precise data analyzed by the XMetrics algorithm, executed inside an STM32F4 32-bit microcontroller, to detect the swimming style and determine the number of laps and strokes, stroke frequency and quality, flip-turn efficacy, speed, and elapsed time.

The STM32F4 microcontroller from ST handles overall system processing inside the XMetrics swim monitor. It runs sophisticated algorithms that recognize and interpret all of the complex biomechanical parameters to provide first-level analysis. Swimmers get instant information on their performance through waterproof earphones so they know exactly how they are doing at any turn or stop during the swimming session. ST has also supplied a dedicated component that protects the XMetrics device against electrostatic discharge, securing a high level of signal integrity for the USB 2.0 interface.

XMetrics software and apps enable swimmers to program their training schedule and customize the audio feedback. Synchronization via tablet or smartphone is automatic and any parameter can be changed at any time. Out of the water, users can analyze every aspect of their swim using advanced graphical tools and share results with their coach and friends.

"ST's leading-edge Internet-of-Things (IoT) technologies helped us realize our dream of developing an easy-to-use, powerful Smart-Things trainer that delivers personal-coach attention to every swimmer," said Andrea Rinaldo, XMetrics CEO, a swim coach and former professional swimmer.  "The superior performance and energy efficiency of ST's miniature chips maximize the monitor usability and make sure XMetrics users get the perfect balance of functionality, comfort, and battery life."

"The market's most accurate swim monitor with real-time audio feedback pushes the boundaries of what technology can do to help and encourage people to enjoy sports and stay fit," said Philip Lolies, EMEA Vice President, Marketing & Application, STMicroelectronics. "XMetrics' decision to rely on ST sensors and microcontrollers confirms our position as the IoT one-stop shop and go-to partner for creating 'Smart Things' that make positive contributions to people's health and quality of life."

"XMetrics is a great training and fitness tool for swimmers of all levels. If I'd had an XMetrics when preparing for the Olympics, I would probably have won one more medal," added Massimiliano Rosolino, an Italian swimmer and Olympic medalist.

Over the past year, XMetrics has benefited from funding and managerial support to grow their business by Breed Reply, the IoT Advanced Incubator of Reply.

More information about XMetrics activity trackers is available at

ST's microcontrollers and MEMS devices are available to order at

About XMetrics

XMetrics is a wearable technology company, combining Italian design with advanced biomechanical sensors and sophisticated algorithms, resulting in the ultimate ingenious activity tracker to improve any swimmer's performance. The team created a wearable device unlike any other thanks to its ergonomic design, real-time audio feedback, and back-of-head positioning. XMetrics provides a unique training experience detecting a wide range of parameters, employing cutting-edge technology.

About STMicroelectronics

ST is a global semiconductor leader delivering intelligent and energy-efficient products and solutions that power the electronics at the heart of everyday life. ST's products are found everywhere today, and together with our customers, we are enabling smarter driving and smarter factories, cities and homes, along with the next generation of mobile and Internet of Things devices. By getting more from technology to get more from life, ST stands for life.augmented.

In 2014, the Company's net revenues were $7.40 billion, serving more than 100,000 customers worldwide. Further information can be found at

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Michael Markowitz
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1 accelerometer + gyroscope + magnetometer

ST Chips in XMetrics Swim Monitor
ST Chips in XMetrics Swim Monitor_IMAGE


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