TECHNICAL ASPECTS OF VIDEO EDITING

1. What do the numbers 16:9 refer to?

The numbers refer to the Aspect Ratio. 16 being the width & 9 being height.

2. What is the frame size of a 1080p video file?

1080 pixels high by 1920 wide

3.   If you have a video file which is 720:50p. What is the frame rate and what does the p stand for? 

The frame rate is 50p & the 'P' stands for Progressive.

4.What is the difference between P & I?

P (meaning Progressive) shows every pixel in the frame & I (interlaced) only shows half a frame.

5. What frame rate is real film shot at?

24. But precisely 23.976

6. What might be the advantage of shooting at a higher frame right?

One advantage is that any slow motion in the media production will run smoother.

7. What defines a lossy file?

A file where data 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

MP3, MP4 & MOV

9. What is the difference between a video file type & 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. 

If 

10. What is Bitrate?

Bitrate is the rate at which a file processes information.