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This calculator will help you calculate the file size your video project will require. The following items will influence your final file size:
frame size: height times length of display image; which results in the total pixel count; e.i. High Definition 1080p (1,920/1,080) would result into 2,073,600 pixels per image.
chroma subsampling: This sample rate part is a bit confusing to a laymen. Just think of it like this. A 4:4:4 sample rate equals to 4+4+4=12 and 4:2:2 equals to 4+2+2=8 sample rate. So in the first scenario one has 12 values to "store" and in the second 8. Also not that more is not always better; because it requires more data storage. Keep in mind that a DVD and a Blu-ray Disc have a sample rate of 4:2:0, Digital Betacam is 4:2:2. 4:4:4 sample rate is normally complete overkill.
bit rate: the color depth (8-bit or 10-bit). 8-bit holds 256 colors and is amazingly "satisfying" to the human eye for video. 10-bit (1024 colors) is sometimes available on "higher-end" professional gear; which allows to make color adjustments without finding the limitations of that limited 8-bit range.
frequancy: the frame reight (frames per second)
video codecs: these video codecs may include a compression
envelop and further reduce the file size. It will very much depend what type of compression format the codec uses. H.264/MPEG-4 AVC HP may save from around 30% to nearly 67%, depending on the video sequence. The average bit-rate reduction is about 45%.
running time: duration of saved (or recorded) material
All this will influance the size of data, and the bit rate (data stream handling power of your computer and hard drive.)
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| Some comen preset links of "comen" video formats: |
10/10 444 1bit 1fps
ProRes 422 HQ 1080p24
MPEG-2 1080p24
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| 1080p24
Grass Valley codec QLX |
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| Calculation Help: |
If each pixel is represented by 1-bit, each frame has
0
color bits (0 pixel count x3);
or in Bites this would equal to 0.00
Bites (8 bits in one Bite) (1024-based)
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For example, this is the ways we export most of our 8mm film transfered to a final file
Background: During the past three years, we experienced the need for increased hardware upgrades. So we kept asking ourselves, "What kind of storage capacity is needed, and what kind of data transfer rate will it require?" Also our website estimation tool required this information. So we went ahead an programmed this calculator. We hope this calculator will helps you, as much as it heps us make an informative decision.
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Phone: (805) 640-8883
