EE 416 Materials

Miscellaneous

• a simple Windows audio playback program: LoopAudio

Mu-law versus A-law Companding

• Windows ding
  • original audio file
  • left channel
    • data
    • unquantized
    • quantized: 6 bits
      • uniform
      • mu-law (mu = 255)
      • A-law (A = 87.6)
    • quantized: 8 bits
      • uniform
      • mu-law (mu = 255)
      • A-law (A = 87.6)
  • right channel
    • data
    • unquantized
    • quantized: 6 bits
      • uniform
      • mu-law (mu = 255)
      • A-law (A = 87.6)
    • quantized: 8 bits
      • uniform
      • mu-law (mu = 255)
      • A-law (A = 87.6)