Audio Signal Processor

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The Audio Signal Processor or ASP (also known as the SoundDroid) is a large-scale digital signal processor developed by James A. Moorer at Lucasfilm's The Droid Works. He programmed a number of Digital signal processing algorithms that were used in major motion picture features. Sounds processed by the ASP were used in the THX logo's Deep Note,[1] Return of the Jedi, Indiana Jones and the Temple of Doom, and others.



  1. ^ Whitwell, Tom (25 May 2005). "TINY MUSIC MAKERS: Pt 3: The THX Sound". Music Thing. 
  • Leider, Colby (2004). Digital Audio Workstation: Mixing, Recording, and Mastering on Your Mac Or PC. McGraw-Hill Professional. p. 398. ISBN 0-07-142286-2. 
  • Rubin, Michael (2005). Droidmaker: George Lucas and the Digital Revolution. Triad Publishing Company. p. 518. ISBN 0-937404-67-5. 

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