Calculate the file size for a video with 130 x 259 pixels, color video, 25 fps, and length 45 seconds.
Question
Calculate the file size for a video with 130 x 259 pixels, color video, 25 fps, and length 45 seconds.
Solution
To calculate the file size of a video, we need to know the bit depth (color depth) of the video. However, this information is not provided in the question.
But, if we assume a standard 24-bit color depth (which is common for color videos), we can calculate an approximate file size.
Here are the steps:
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Calculate the total number of pixels: 130 pixels (width) x 259 pixels (height) = 33,670 pixels
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Calculate the total number of bits per frame: 33,670 pixels x 24 bits = 807,280 bits
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Calculate the total number of bits per second (since the video is 25 frames per second): 807,280 bits x 25 = 20,182,000 bits per second, or approximately 20.18 Megabits per second (Mbps)
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Calculate the total number of bits for the entire video (since the video is 45 seconds long): 20.18 Mbps x 45 = 908.1 Megabits
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Convert this to Megabytes (since there are 8 bits in a byte): 908.1 Megabits ÷ 8 = 113.51 Megabytes
So, the approximate file size of the video would be 113.51 Megabytes. Please note that this is a rough estimation. The actual file size can be smaller if the video is compressed.
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