Unit 4 – The lowdown on Digital Audio

This is quite heavy going people, take a deep breath…gets technical and a bit scientific. However a good understanding of these matters will greatly enhance your overall appreciation of working in the digital domain and help to clarify issues from mastering to sampling.

You need to be able to explain:

  • What is an A/D converter, how does it work?
  • Sample rate – definition
  • Bit Depth – what are standard bit rates?
  • What is quantisation (rounding of samples)?
  • What is PCM?
  • What is aliasing?
  • What is jitter?

This tutorial video is a great introduction..

This fella explains the proces of D/A conversion in detail…might be helpful: