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During mixing of video clips normally either the audio or video needs to be delayed so they are synchronized. The AV-sync delay is static but can vary with the individual clip. Video editing effects can delay video causing it to lag the audio. Transmission (broadcasting), reception and playback that can get introduce AV-sync errors. A video ...
Foster said that because of human biophysics, the device "would kill you well before you were bothered by the noise". According to former professor at the University of Washington Bill Guy, "There's a misunderstanding by the public and even some scientists about this auditory effect," and "there couldn't possibly be a hazard from the sound ...
Recurrent attacks of positional vertigo or dizziness provoked by changes in position. Characteristic positional nystagmus elicited by each maneuver, according to the subtype and affected ear. Many people will report a history of vertigo as a result of fast head movements.
Their vision may be bobbing up and down,” says Neil Bhattacharyya, M.D. He’s a professor of otolaryngology–head and neck surgery at Harvard Medical School in Boston. “The floor may feel ...
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Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
If you stand up too quickly and start to feel light headed, it's caused by a drop in blood pressure in your head and upper body. It's the same reason fighter pilots black out in high G turns, and ...
Later iPhone models are able to be activated and set-up on their own, without requiring the use of iTunes. iTunes also allows users to backup and restore the content of their Apple mobile devices, such as music, photos, videos, ringtones and device settings, [74] and restore the firmware of their devices. However, as of iTunes 12.7, apps can no ...