1. What do the numbers 16:9 refer to?
The numbers refer to the Aspect Ratio, the 16 referring to the width and the 9 is the height.
2. What is the frame size of 1080p video file?
The frame size is the height (1080p/pixels) and the width is 1920.
3. If you ave a video file which is 720:50p; What is the frame rate and what do the 'P' stand for?
The frame rate is 50p and the 'P' stands for Progressive.
4. What is the difference between 'P' and 'I'?
P: Progressive- It shows every pixel per frame
I: Interlaced - It shows half a pixel per frame, only shows the pixels that are needed (if pixels don't change).
5. What frame rate is real film shot at?
It is shot at 23.976.
6. What might be the advantage of shooting at a higher frame rate?
Don't get a blur in the shot and it keeps the image smooth. Slow motion also will run smoother.
7. What defines a lossy file?
A file where the date is discarded which is deemed not necessary for human perception, in order to keep the file size smaller.
8. Name three file types commonly used in video editing
.MOV .WAV .MTS
9. What is the difference between a video file type and a codec?
If the file type is the container, then the Codec is how the video & audio is compressed to get inside, then decompressed to read it again. Codec actually means coding/decoding.
10. What is a bitrate?
Bitrate is the rate at which a file processes information.
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