Google has recently unveiled the new Heart Rate Tracking capabilities of its upcoming Pixel Watch 2 and the Fitbit Charge 6 fitness tracker. These devices boast improved hardware and artificial intelligence (AI) algorithms that promise more accurate heart rate monitoring.
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One of the key enhancements is the multi-path heart rate sensor, which offers a greater coverage area compared to conventional sensors. The sensor utilizes photoplethysmography (PPG) technology, which involves shining a green LED light onto the wrist to measure blood volume and movement. By increasing the number of LEDs and photodiodes, the multi-path sensor is able to detect more reflected light and provide more accurate readings.
To conserve battery life, the Pixel Watch 2 only activates all the sensors when in exercise mode. However, this configuration ensures optimal heart rate tracking accuracy during workouts. Additionally, Google has incorporated AI algorithms to further enhance the interpretation of the data collectedthe multi-path sensor. Although specific details about these algorithms were not provided in the blog post, Google claims that they have been rigorously tested and trained to efficiently process large amounts of data.
In an interesting move, Google has also extended the improved AI algorithms to the Fitbit Charge 6. The algorithms have been optimized to work seamlessly with the Charge 6’s lower-power processor, ensuring that the device’s impressive seven-day battery life remains unaffected.
Overall, the introduction of the multi-path sensor and the enhanced AI algorithms demonstrate Google’s commitment to advancing heart rate tracking technology in wearable devices. These improvements are expected to provide users with more accurate and reliable heart rate data, enabling them to monitor their fitness and well-being more effectively.
Sources:
– Google
– Android Police
New Heart Rate Tracking Features in Pixel Watch 2 and Fitbit Charge 6 .
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