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About: Audio Effects: Using External Memory

Module by: Douglas L. Jones, Swaroop Appadwedula, Matthew Berry, Mark Haun, Dima Moussa, Daniel Sachs. E-mail the authors

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Name: Audio Effects: Using External Memory
ID: m10480
Language: English (en)
Summary: You will implement three audio effects: a fixed-length delay, a variable-length delay, and a feedback-echo. All require storing many samples in external memory.
Subject: Science and Technology
Keywords: audio effects, delay, DSP, echo, external memory, memory map, READPROG, WRITPROG
License: Creative Commons Attribution License CC-BY 1.0
Authors: Douglas L. Jones (dl-jones@uiuc.edu), Swaroop Appadwedula (appadwed@uiuc.edu), Matthew Berry (mjberry@uiuc.edu), Mark Haun (markhaun@uiuc.edu), Dima Moussa (dmoussa@uiuc.edu), Daniel Sachs (sachs@uiuc.edu)
Copyright Holders: Douglas L. Jones (dl-jones@uiuc.edu), Swaroop Appadwedula (appadwed@uiuc.edu), Matthew Berry (mjberry@uiuc.edu), Mark Haun (markhaun@uiuc.edu), Dima Moussa (dmoussa@uiuc.edu), Daniel Sachs (sachs@uiuc.edu), Jake Janovetz (jake@janovetz.com), Michael Kramer (kramer@ifp.uiuc.edu), Brian Wade (bwade@uiuc.edu)
Maintainers: Douglas L. Jones (dl-jones@uiuc.edu), Swaroop Appadwedula (appadwed@uiuc.edu), Matthew Berry (mjberry@uiuc.edu), Mark Haun (markhaun@uiuc.edu), Daniel Sachs (sachs@uiuc.edu), Mike Russell (merussel@uiuc.edu), Mark Butala (butala@uiuc.edu), Robert Morrison (rlmorris@uiuc.edu)
Latest version: 2.17 (history)
First publication date: Feb 1, 2002 12:00 am US/Central
Last revision to module: Jun 3, 2009 3:28 pm GMT-5
Module XML: m10480_2.17.cnxml

Version History

Version: 2.17 Jun 3, 2009 3:28 pm GMT-5 by Connexions
Changes: 
Modified markup for explicit .eps image reference
Version: 2.16 Jun 1, 2009 10:26 am GMT-5 by Connexions
Changes: 
Modified markup for explicit .eps image reference
Version: 2.15 Oct 11, 2004 7:47 am GMT-5 by Charlet Reedstrom
Changes: 
 added a space
Version: 2.14 Feb 25, 2004 11:07 am US/Central by Adan Galvan
Changes: 
added maintainer
Version: 2.13 Jul 29, 2003 10:43 am GMT-5 by Elizabeth Gregory
Changes: 
Upgraded to 0.5
Version: 2.12 Sep 5, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
added a maintainer
Version: 2.11 Aug 27, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
changed some of the figures to png
Version: 2.10 Aug 26, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
uploaded figures
introduced new figures in text
Version: 2.9 Aug 26, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
edited for content and style
edited metadata
Version: 2.8 Aug 23, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
edited for content and style
edited metadata
removed READPROG and WRITPROG content -- now own module
upgraded to 0.4
Version: 2.7 Aug 15, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
revising for clarity
Version: 2.6 Jul 31, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
edited for content and style
Version: 2.5 Jun 6, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
complete revisions
Version: 2.4 Jun 2, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
revising (not complete)
Version: 2.3 May 30, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
added maintainers
Version: 2.2 May 30, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
added a maintainer
Version: 2.1 Feb 6, 2002 12:00 am US/Central by (Unknown)
Changes: 
completed the module
Version: 2.0 Feb 1, 2002 12:00 am US/Central by (Unknown)
Changes: 
Added initial template for new module m10480

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If you reuse this work elsewhere, in order to comply with the attribution requirements of the license (CC-BY 1.0), you must include

  • the authors' names: Douglas Jones, Swaroop Appadwedula, Matthew Berry, Mark Haun, Dima Moussa, Daniel Sachs
  • the title of the work: Audio Effects: Using External Memory
  • the Connexions URL where the work can be found: http://cnx.org/content/m10480/2.17/

See the citation section below for examples you can copy.

How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 1.0) of this work:

American Chemical Society (ACS) Style Guide:

Jones, D.; Appadwedula, S.; Berry, M.; Haun, M.; Moussa, D.; Sachs, D. Audio Effects: Using External Memory, Connexions Web site. http://cnx.org/content/m10480/2.17/, Jun 3, 2009.

American Medical Assocation (AMA) Manual of Style:

Jones D, Appadwedula S, Berry M, Haun M, Moussa D, Sachs D. Audio Effects: Using External Memory [Connexions Web site]. June 3, 2009. Available at: http://cnx.org/content/m10480/2.17/.

American Psychological Assocation (APA) Publication Manual:

Jones, D., Appadwedula, S., Berry, M., Haun, M., Moussa, D., & Sachs, D. (2009, June 3). Audio Effects: Using External Memory. Retrieved from the Connexions Web site: http://cnx.org/content/m10480/2.17/

Chicago Manual of Style (Bibliography):

Jones, Douglas, Swaroop Appadwedula, Matthew Berry, Mark Haun, Dima Moussa, and Daniel Sachs. "Audio Effects: Using External Memory." Connexions. June 3, 2009. http://cnx.org/content/m10480/2.17/.

Chicago Manual of Style (Note):

Douglas Jones and others, "Audio Effects: Using External Memory," Connexions, June 3, 2009, http://cnx.org/content/m10480/2.17/.

Chicago Manual of Style (Reference, in Author-Date style):

Jones, D., Appadwedula, S., Berry, M., Haun, M., Moussa, D., & Sachs, D. 2009. Audio Effects: Using External Memory. Connexions, June 3, 2009. http://cnx.org/content/m10480/2.17/.

Modern Languages Association (MLA) Style Manual:

Jones, Douglas, Swaroop Appadwedula, Matthew Berry, Mark Haun, Dima Moussa, and Daniel Sachs. Audio Effects: Using External Memory. Connexions. 3 June 2009 <http://cnx.org/content/m10480/2.17/>.