Video+Production+Questions

The following questions are suitable for homework, classwork or revision.

1. Which of the following are video file extensions:
 * .BMP
 * .TXT
 * .MP3
 * .AVI
 * .WAV
 * .WMV
 * .DOV
 * .MPEG

2. What is the name of the device used to capture video data digitally?

3. What is meant by the term timeline in a video editing package?

4. What is a transition in a video?

5. What does the crop/trim tool do in a video editing package?

6. Why do we compress video files?

Investigations
1. Write a blog post to explain what is meant by video compression. Your article should consider (although not be restricted to) the following questions:
 * How does video compression work?
 * Why is it necessary?
 * What is meant by lossy and lossless compression?
 * What are the common video compression codecs?

2. Think about a film you have watched recently. Write a blog post which considers the following questions:
 * Who was the director?
 * What was their job?
 * Who was the editor?
 * What was their job?
 * How do you think that the director and editor made a difference to the film?

3. Generally films are published on DVDs and Blu-Ray. How much data can each of these types of media store?