Multimedia+file+sizes

Introduction
Multimedia files can be large, taking up a lot of storage space.

To make files smaller, they can be compressed. Compression means reducing the overall file size. However, compression can have an impact on the quality of the file.

Video
As this video plays, both the audio and video are increasingly compressed.

media type="youtube" key="utwqc5QdTgs" height="315" width="420"

Task
Answer the following questions: 1. What happens to video or images when they are compressed? 2. What happens to audio when it is compressed?

What can affect multimedia file size?
Copy and complete the table below