Miku Baby Monitor 对比 NIOSH Sound Level Meter 的使用情况和统计数据

Monitors video, audio and breathing from a Miku Monitor*. Miku is the baby monitor that tracks breathing, sleep patterns and nursery conditions without wires or wearables. Miku’s proprietary SensorFusion technology works with your smartphone in real time to alert you when it matters most. *Note: this app is free to download and use but requires access to a separately purchasable hardware device to function. Certain optional features require a subscription starting at $9.99/ month in U.S. dollars, may vary in countries other than the U.S. and are subject to change without notice including these: - Real-Time Breathing and Sleep Tracking - Real-Time Alerts - Daily Sleep Metrics - Breathing and Room Environment Metrics - Activity Video Storage Please note that with all subscriptions: Payment will be charged to your iTunes Account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period at the then current subscription cost. You can manage subscriptions and turn off auto-renewal by accessing your Subscription Settings after purchase. You cannot cancel the current subscription during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited if you purchase a subscription to that package. All personal data is handled under the terms and conditions of the privacy policy. More details can be found here: https://mikucare.com/pages/privacy-policy https://mikucare.com/pages/terms-of-service

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NIOSH Sound Level Meter

This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package. - Developed by experienced acoustics engineers and hearing loss experts. - Completely FREE – No ads, no limited features, and no in-app purchases. - Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at NIOSH acoustics lab – the only proper method to validate accuracy. - Trusted source and world-class expertise in noise and hearing research. - Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ external microphone.* - Provides the most relevant metrics found in professional sound instruments today. Averages such as LAeq and TWA, Max and Peak Levels, Noise Dose and Projected Dose according to NIOSH and OSHA standards, and all three major weighting networks (A, C, and Z). - Capability to calibrate either internal or external microphone. Reporting and Sharing data. - Up-to-date informational screens on what noises are considered hazardous, how to conduct a noise measurement, how to properly select a hearing protector, and guidelines for preventing hearing loss, all at the palm of your hand. - Excellent and timely support from NIOSH hearing experts. - Support for Apple's Health (Hearing) app. * Celestina M, Hrovat J, Kardous CA [2018]. Smartphone-based sound level measurement apps: Evaluation of compliance with international sound level meter standards. Applied Acoustics, 139:119-128. https://doi.org/10.1016/j.apacoust.2018.04.011 More resources (including instructional videos and a user manual), a science blog, FAQ, and information about how to interpret results can be found on the NIOSH SLM website https://www.cdc.gov/niosh/topics/noise/app.html