In the 10 FPS stream, he has moved a few more inches, but still is captured in the same stride.
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In the 30 FPS stream, he does not complete a full stride, moving only a few inches between frames. We need to keep this in mind when evaluating frame rate selection.Īs our subject walks through the FOV, we view how far he moves from one frame to the next. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.įor example, if you only have 1 frame per second, a person can easily move 4 to 16 feet in that time frame. You know the 'speed' with the frame rate (1 frame per second, 10 frames per second, 30, etc.), but how many frames do you need for reliable capture?Ī person walking at a leisurely pace covers ~4 feet per second, walking accross this 20' wide FoV in ~5 seconds:įor a person running, our subject goes through the 20' FOV in ~1.5 seconds, meaning he covers ~16' in just one second: The faster an object moves, the more likely you are to miss an action. Average Frame Rates used: What is the industry average?Īs a precursor, you need to know the speed of objects, most typically people.Bandwidth vs Frame Rate: How much does bandwidth rise with increases in frame rate?.Shutter speed vs Frame Rate: How are these two related?.Playing Cards: What do you miss capturing cards being dealt at 1, 10 and 30FPS.Head Turning: How many more clear head shots do you get of a person at 1, 10 and 30FPS.Running: What do you have capturing a person running at 1, 10 and 30FPS.Walking: What risks do you have capturing a person walking at 1, 10 and 30FPS.What speed do people move at and how does that compare to frame rates.Choosing the right frame rate for your application is important but understanding when you should use 10 or 15 or 20 or 30 or even 60 frames per second can be unclear.