Frame Capture Rate of Time-Lapse Video with iPhone

Q

How to determine the frame capture rate of a time-lapse video taken with my iPhone camera?

✍: FYIcenter.com

A

The frame capture rate of a time-lapse video taken with my iPhone camera dynamically determined by the camera based on the total duration of the recording time.

The longer of the recording time is, the lower frame capture rate you will get in the final video. The table below shows you how the frame rate is calculated (source: studioneat.com):

Recording Duration Frame Capture Rate Speed Relative to Real Time
Less than 10 minutes 2 frames every second 15x
10 minutes to 20 minutes 1 frame every second 30x
20 minutes to 40 minutes 1 frame every 2 seconds 60x
40 minutes to 1 hour 20 minutes 1 frame every 4 seconds 120x
1 hour 20 minutes to 2 hours 40 minutes 1 frame every 8 seconds 240x

Note that the play back frame rate is always 30 fps.

 

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