Q1) What do the numbers 16:9 refer to?
A1) 16:9 refers to the aspect ratio of a video, in this case; 16 horizontal and 9 vertical. 16:9 is more commonly known as widescreen.
Q2) What is the frame size of a 1080p video file?
A2) 1920 pixels (horizontally) by 1080 pixels (vertically).
Q3) If you have a video file which is 720:50p what is the frame rate and what does the p stand for?
A3) 720:50p has 50 frames per second. The p stands for progressive scan.
Q4) What is the difference between p and i (e.g. 1080p)?
A4) The p stands for progressive scan and i stands for interlaced.
Q5) What frame rate is real film shot at?
A5) Real film is shot at 24 frames per second.
Q6) What might be the advantage of shooting at a higher frame rate?
A6) Filming at a higher frame rate will produce smoother motion during playback.
Q7) What defines a lossy file?
A7) A lossy file is when the file loses quality due to being highly compressed.
Q8) Name three file types commonly used in video editing.
A8) Three common file types include: MOV, AVCHD and H.264.
Q9) What is the difference between a video file type and a codec?
A9) A codec is used to create the video file, which can be many different types. A file type is the way the video is contained after being compressed via the codec,
Q10) What is a bitrate?
A10) The bitrate is how much information is used in the video per second. The higher the bitrate, the higher the overall quality.
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