refresh rate - definição. O que é refresh rate. Significado, conceito
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O que (quem) é refresh rate - definição

FREQUENCY AT WHICH A DISPLAY HARDWARE DISPLAYS A NEW IMAGE
100 Hz; Field rate; Vertical refresh rate; Vertical scan rate; Vertical refresh; Refresh Rate; Screen frequency; Refresh frequency; Vertical scan
  • frames per second]].
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refresh rate         
<hardware> (Or "vertical refresh rate", "vertical scan rate") The maximum number of frames that can be displayed on a monitor in a second, expressed in Hertz. The scan rate is controlled by the vertical sync signal generated by the video controller, ordering the monitor to position the electron gun at the upper left corner of the raster, ready to paint another frame. It is limited by the monitor's maximum horizontal scan rate and the resolution, since higher resolution means more scan lines. Increasing the refresh rate decreases flickering, reducing eye strain, but few people notice any change above 60-72 Hz. (1999-08-01)
vertical refresh rate         
<hardware> Synonym for refresh rate. (1996-02-09)
Refresh rate         
The refresh rate (or "vertical refresh rate", "vertical scan rate", terminology originating with the cathode ray tubes) is the number of times per second that a raster-based display device displays a new image. This is independent from frame rate, which describes how many images are stored or generated every second by the device driving the display.

Wikipédia

Refresh rate

The refresh rate, also known as vertical refresh rate or vertical scan rate in reference to terminology originating with the cathode ray tubes, is the number of times per second that a raster-based display device displays a new image. This is independent from frame rate, which describes how many images are stored or generated every second by the device driving the display. On cathode ray tube (CRT) displays, higher refresh rates produce less flickering, thereby reducing eye strain. In other technologies such as liquid-crystal displays, the refresh rate affects only how often the image can potentially be updated.

Non-raster displays may not have a characteristic refresh rate. Vector displays, for instance, do not trace the entire screen, only the actual lines comprising the displayed image, so refresh speed may differ by the size and complexity of the image data. For computer programs or telemetry, the term is sometimes applied to how frequently a datum is updated with a new external value from another source (for example; a shared public spreadsheet or hardware feed).

Exemplos do corpo de texto para refresh rate
1. That‘s where the KDL–46W4100 comes in; it‘s the least expensive 2008 Bravia LCD to feature a 120Hz refresh rate and dejudder video processing, and it currently costs hundreds of dollars less than the equivalent size TV in Samsung‘s 120Hz–equipped A650 series.
2. The list starts with a 120Hz refresh rate, which helps clean up blurring in motion and works hand–in–hand with the company‘s dejudder video processing, dubbed "Motion Enhancer" in the menu and MotionFlow in Sony‘s literature (more in Performance on its effects). Naturally the KDL–46W4100 has a native resolution of 1080p, the highest available today, and just as naturally it doesn‘t make much of a difference at this screen size.