Digital Filters Applet

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written by Paul Falstad

This java applet simulates the use of digital filters. Several sounds are provided including speech and noise. The user can apply various filters and view and hear their effect. The page includes extensive instructions for the applet and the source code. This applet is part of a large collection of physics and math applets.

Please note that this resource requires Java.

http://www.falstad.com/dfilter/

Subjects	Levels	Resource Types
Oscillations & Waves - Acoustics = Music Perception and the Voice = Pitch = Wave Analysis and Synthesis - Wave Motion	- Lower Undergraduate - High School - Informal Education - Upper Undergraduate	- Instructional Material = Curriculum support = Interactive Simulation = Laboratory

Intended Users	Formats	Ratings
- Educators - Learners	- application/java - application/zip - text/html	Currently 0.0/5 Want to rate this material? Login here!

Access Rights:: Free access
Restriction:: © 2005 Paul Falstad
Keywords:: filters, fourier series, harmonics, sound
Record Cloner:: Metadata instance created July 29, 2008 by Taha Mzoughi
Record Updated:: July 29, 2008 by Taha Mzoughi
Last Update when Cataloged:: September 15, 2005

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Record Link

<a href="https://www.compadre.org/introphys/items/detail.cfm?ID=7741">Falstad, Paul. Digital Filters Applet. September 15, 2005.</a>

AIP Format

P. Falstad, (2005), WWW Document, (http://www.falstad.com/dfilter/).

AJP/PRST-PER

P. Falstad, Digital Filters Applet (2005), <http://www.falstad.com/dfilter/>.

APA Format

Falstad, P. (2005, September 15). Digital Filters Applet. Retrieved April 19, 2025, from http://www.falstad.com/dfilter/

Chicago Format

Falstad, Paul. Digital Filters Applet. September 15, 2005. http://www.falstad.com/dfilter/ (accessed 19 April 2025).

MLA Format

Falstad, Paul. Digital Filters Applet. 2005. 15 Sep. 2005. 19 Apr. 2025 <http://www.falstad.com/dfilter/>.

BibTeX Export Format

@misc{ Author = "Paul Falstad", Title = {Digital Filters Applet}, Volume = {2025}, Number = {19 April 2025}, Month = {September 15, 2005}, Year = {2005} }

Refer Export Format

%A Paul Falstad %T Digital Filters Applet %D September 15, 2005 %U http://www.falstad.com/dfilter/ %O application/java

EndNote Export Format

%0 Electronic Source %A Falstad, Paul %D September 15, 2005 %T Digital Filters Applet %V 2025 %N 19 April 2025 %8 September 15, 2005 %9 application/java %U http://www.falstad.com/dfilter/

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

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