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Solve : USB sample rate? |
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Answer» ive seen articles about increasing Vista's USB sample to rate to 1000Hz. i have no idea what the sample rate is! by sample rate you mean the amount of times it takes a data reading? As far as I know, yes; but the MOUSE would need to support such a high reading. With mice that do support such a high reading, the included software uses a higher rate anyway. Even so- it doesn't make a huge difference. One way to compare the sample rates of two mice- at the same "mouse speed" setting in Control panel, the higher-rated mouse will move faster on-screen.The speed the mouse moves on the screen can also depend on its DPI. Higher DPI, the greater the precision and smoothness.In general, the normal 125 Hz sample rate does not make mouse pointer movement look "jerky" for most users, but there is one kind of program which suffer from a low sample rate: 3d games. The fps rate of your graphics hardware may be quick enough that when you use the mouse, you get jerky movement. This is why many 3d games offer a 'mouse filter'. this filter calculates the average of some mouse samples and will ASSIGN every rendered frame a caclulated mouse sample. this will smooth the movement very well but RESULTS in some lag, i.e. it takes a while for the game to react to your mouse movements. So there are mouse driver PATCHES out there to speed the sample rate to 1000 Hz. Trouble is, you have to defeat Vista's signed driver scheme to get them to work, and in many ways this is bad for security/stability. Better to make sure that any perceived lags are not due to other causes, since increasing the mouse sample rate is not a magic wand. |
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