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The iPhone 13 features a 6.1-inch (155 mm) display with Super Retina XDR OLED technology at a resolution of 2532×1170 pixels and a pixel density of about 460 PPI with a refresh rate of 60 Hz. The iPhone 13 Mini features a 5.4-inch (137 mm) display with the same technology at a resolution of 2340×1080 pixels and a pixel density of about 476 PPI.
An equal-loudness contour is a measure of sound pressure level, over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. [1] The unit of measurement for loudness levels is the phon and is arrived at by reference to equal-loudness contours. By definition, two sine waves of differing ...
Hearing range describes the frequency range that can be heard by humans or other animals, though it can also refer to the range of levels. The human range is commonly given as 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, and a gradual loss of sensitivity to higher frequencies ...
One chagrined user posted about his device's tragic demise on an online Apple help forum after performing the simple action.
Otorhinolaryngology, audiology. Noise-induced hearing loss ( NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [1] When exposure to hazards such as noise occur at work ...
You can reset your iPhone to its factory settings and erase all the information stored on the device. Just make sure to back up your data first.
The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the ...
The rookie forward got her 13th consecutive double-double on Sunday, scoring 17 points and grabbing 14 rebounds as the Chicago Sky lost to the Seattle Storm, 84–71. It was the second matchup ...