3E80.50 - Digital Compression

Code Number:
3E80.50
Demo Title:
Digital Compression
Condition:
Good
Principle:
Digital Audio Compression
Area of Study:
Acoustics
Equipment:
MP3 Players, etc.
References:
  • Richard J. Fitzgerald, "A Nonlinear Look at Music", Physics Today, Vol. 69, #5, May 2016, p. 20.
  • Armin Kohlrausch, "The Perceptual Basis for Audio Compression", Physics Today, Vol. 60, #6, June 2007, p. 80.
  • Senri Miyaoka, "Digital Audio is Compact and Rugged", Musical Acoustics, p. 207.]
  • Eleanor Cummins, James Gilleard, "Play It Again", Popular Science, Winter 2019, p. 14.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.