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2.4 Digital and Analogue

What you learned

  • ✓Apply the file-size formula: bytes = (sample rate × bit depth × channels × duration) ÷ 8
  • ✓Use the ratio shortcut to compare two versions of the same audio file
  • ✓Distinguish between uncompressed, lossless and lossy file formats
  • ✓Locate the ADC in a typical recording signal chain
  • ✓Identify common audio artefacts (mp3 pre-echo, tape hiss, aliasing)
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