© S. Wilkins 9 April, 2005

How MP3 Files Work

Read through the article How MP3 Files Work and answer the questions below.

Questions

1. Who started the “MP3 revolution”
2. What impact have MP3’s had on people?
3. Describe the data that is stored on an audio CD.
4. Explain what happens when a CD is created.
5. How much disk space will an average uncompressed song take up if stored on a hard drive?
6. What is an MP3, and what is the goal of the MP3 format?
7. How big is an average song in the MP3 format?
8. What other files are compressed formats?
9. Explain how Perceptual Noise Shaping is used to compress a song.
10. Does and an MP3 sound exactly the same as the original, and why?
11. List THREE positive things that MP3’s have done for music.
12. List 4 things that people can do with MP3’s on their computers
13. What pieces of HARDWARE are essential to download and burn MP3’s to CD
14. What luxury piece of hardware will be of great benefit to downloading MP3’s
15. Give THREE examples of SOFTWARE needed to play MP3’s
16. Explain how you would use a portable MP3 player.
17. What is the difference between ripping and encoding?
18. MP3’s can be burnt onto CD in TWO ways. Explain how, and what hardware is needed to play the MP3’s in each format.
19. If you were in a band and had recorded a demo CD, how could you utilise the MP3 format to promote your band?
20. How have YOU used MP3’s?