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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