R093 Moving Image Files

You will need you knowledge organiser shown and a pen:

• ready

• ...

What are moving image files?

[2]

• video

• animation

What is 'video rendering'?

• editing the video

• distributing the video

• when the video editing software processes the editing data to make each frame of the video

Identify the best video resolution:

video sharing: ​ (a)  

HD TV broadcast: ​ (b)  

cinema quality video: ​ (c)  

top-quality feature films: ​ (d)  

• SD
• HD
• 4K UHD
• 8K UHD

What is frame rate?

• the number of frames per second

• when the video editing software processes the data to make an exported file

• the total number of pixels a screen contains

Identify the frame rates used for the following scenarios:

films: ​ (a)  

UK broadcast shows: ​ (b)  

computer games: ​ (c)  

high-end computer gaming: ​ (d)  

• 24 FPS
• 25 FPS
• 60 FPS
• 120 FPS

What does compression do?

It reduces the ____ of a file.

Use the image to help you find the differences between lossy and lossless compression:

Groups:

(a) Lossy

,

(b) Lossless

,

(c) Option 3

,

(d) Option 4

• original file can be restored

• no loss in quality

• reduces file size greatly

• some loss in quality

• data is lost

• original file cannot be restored

• Drag to option 3

• reduces the file size, but not as much as lossy

• Drag to option 4

Identify the file types for animation:

older file format for animation on the web: ​ (a)  

allows object to have motion and slide or bounce: ​ (b)  

• GIF
• SVG

Which ones is lossless?

• MP4

• MPEG

• AVI

• MOV