app. The initial sleep-tracking feature, released in 2020 (with iOS 14 and watchOS 7), included a determination of two states — asleep or awake — for each 3...

https://www.apple.com/jp/healthcare/docs/site/Estimating_Sleep_Stages_from_Apple_Watch_Sept_2023.pdf

depth provide over a billion colors and incredibly smooth gradients. Extreme Dynamic Range (XDR) • Extreme Dynamic Range takes brightness and contrast to a ...

https://www.apple.com/jp/pro-display-xdr/pdf/Pro_Display_White_Paper_Feb_2020.pdf

and older. During the hearing test, tones are played across a range of frequencies from 250Hz to 8000Hz at various intensities. Hearing tests are typically ...

https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf

or as an agglomerate and where, for 50 percent or more of the particles in the number size distribution, one or more external dimensions are in the size ran...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf