仅事实
苹果推出AirPods Pro 3，新增心率监测和运动追踪功能
摘要
苹果的AirPods Pro 3现配备耳内心率传感器和全面的运动追踪功能，提升了其在健身爱好者中的实用性。
苹果发布了AirPods Pro 3，集成了耳内心率监测和广泛的运动追踪功能。这些改进旨在让用户通过耳机实时获取健身数据。
心率传感器利用不可见的红外光，每秒脉冲高达256次，结合内置加速度计的数据来测量耳部的血流。这项技术使用户在运动时无需额外设备即可监测心率。
为了确保在不同耳型和肤色上的准确性，苹果进行了数千名参与者的广泛测试。经过十年苹果手表研究的机器学习算法被调整适配到AirPods的形态。
AirPods Pro 3支持50种不同的运动追踪，包括功能性力量训练和普拉提。耳机内的运动传感器结合连接的iPhone提供的GPS和气压计数据，实现对步数、距离和消耗卡路里的精准追踪。
当与Apple Watch配合使用时，系统会动态选择两个设备中最准确的心率信号，提升数据的可靠性。
这些进步使AirPods Pro 3成为集音频享受与健身追踪于一体的多功能工具，体现了苹果将健康监测融入日常设备的承诺。
来源
TechRadar事实核查
使用外部来源和数据库核实文章的事实。
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Apple has unveiled the AirPods Pro 3, integrating in-ear heart rate monitoring and extensive workout tracking features.
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The heart rate sensor utilizes invisible infrared light, pulsing up to 256 times per second, combined with data from onboard accelerometers to measure blood flow in the ears.
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To ensure accuracy across diverse ear shapes and skin tones, Apple conducted extensive testing with thousands of participants.
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Machine learning algorithms, refined over a decade of research from the Apple Watch, were adapted to the AirPods' form factor.
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The AirPods Pro 3 support tracking for 50 different workouts, including functional strength training and Pilates.
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Motion sensors within the earbuds, in conjunction with GPS and barometer data from a connected iPhone, enable precise tracking of steps, distance, and calories burned.
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When used alongside an Apple Watch, the system dynamically selects the most accurate heart rate signal from either device, enhancing data reliability.
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