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1. Why are MP3′s so popular?

2. Are MP3′s compressed?

3. Are MP3′s superior quality to FLAC and WAV files?

4. Which is a larger file size MP3, WMA or WAV?

5. What is a codec?

  • a. CODEC stands for Compression Decompression. A codec is a set of rules that determines how data is removed from a file to reduce its file size. All codecs result in lossy compression.
  • b. CODEC stands for Compression Decompression. A codec is a set of rules that determines how data is removed from a file to reduce its file size. Today’s codecs result in lossless compression.
  • c. CODEC stands for Compression Decompression. A codec is a set of rules that determines how data is removed from a file to reduce its file size. Today’s codecs result in lossy compression but the audible loss in quality is minimal.
  • d. CODEC stands for Compression Decompression. A codec is a set of rules that determines how data is added to a file to increase the audio quality of the file.
6. What is MIDI?
  • a. MIDI is part of the QuickTime software.
  • b. MIDI is a software synthesis package that generates 128 different timbres for use in electronic music.
  • c. MIDI is a sound card standard for PCs and Macs. Users must have a MIDI installed to listen to .mid files on the Internet.
  • d. MIDI is a language that describes a musical performance rather than recording it to a digital audio file. As a result, files sizes are very small. The quality of the sound from a MIDI file is dependent on the user’s computer hardware.
7. MP3 was developed by a team of:
a. American engineers
b. Japanese engineers
c. French engineers
d. German engineers
8. What does MP3 stand for?
a. MPEG-1 Audio Layer-3
b. Music Product 3
c. Manage Programming 3
d. MPEG 3

9. What is the name of the compression format MP3 uses?
a. Bossy
b. Glossy
c. Flossy
d. Lossy

Explain what the following terms mean:

1) The Sound Wave
2) Frequency
3) Pitch
4) Amplitude
5) Loudness
6) Wavelength
7) Acoustical Phase
8) Sound Envelope
9) Velocity
10) Timbre

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Follow the tutorial from Stanford University on how to compose music using GarageBand.

Click the image below and follow the step by step directions. Save your song as an MP3 on your desktop when you’re done.

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