(sonicArts) 9/24 quiz review

Review outline for Tuesday’s quiz

In-Class Portion:

• Listening List 2
• Analog recording process (from sound production to recording; from playback to arriving at listener)
• Transduction, and the ability to state the type of energy being transduced at each point in the recording process
• Generational loss
• Digital recording process (from sound production to digital recording and storage; from playback to arriving at listener, without filtering)
• Digital Sampling Theory
  • Sampling Rate
  • Nyquist Frequency
  • Aliasing, and how to compute aliased frequencies
  • audio property that sampling rate affects
  • insertion of low pass filters to digital recording and playback process
  • Bit Resolution
  • Binary digits (Bits)
  • Number of possible values 2-to-the-bit-number-power
  • Relationship of number of bits to signal to noise ratio

Take-Home Portion:

• Compressed and uncompressed audio formats
• Computing file size of uncompressed audio
• Difference between lossless and lossy compression
• Perceptual coding for lossy compression
• Basic techniques of musique concrète