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Sing: "Sound... what is it good for?"

• Some characteristics of sound perception.
• Some uses of sound in VR/computer environments:
  • Warnings, system messages, alarms, etc.
  • Speech I/O
  • Networked telephony
  • Sound effects
  • Simulated acoustic environment
  • Music
  • Audification: Direct sound playback (time/frequency scaling only). Example1 (Source ), Example2 ( Source )
  • Sonification: Data-driven sound playback. Example1 ( Gregory Kramer), Example2 ( Gregory Kramer), Example3 (Robin Bargar), Example4 (Axen and Choi)
• Localized (3D) sound complements 3D graphics
  • Claim: it increases the 'credibility' of VR objects and the environment itself.
  • Multiple simultaneous voices easier to distinguish
    • Commercial aviation. [use headphones] (Douglas R.Begault)
    • Teleconferencing (localized 'avatars' in BU system).
  • Can be used for orienting in 3D space (e.g., sound 'beacon' for origin of model).
  • Can be used as another sonification 'axis'.
  • Auralization: simulation of reverberence of acoustic environment. CATT

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