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Kangas Sound Editor

Synthesizer, mixing, sound effects, music composition and production.

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This kangaroo-themed program allows the user to create their own music and sound effects, effectively from scratch.

There are two variants of the program: Kangas Sound Editor which requires MySQL for its database, and Kangas Sound Editor QI which does not (it uses an internal database - HSQLDB - instead).

Kangas Sound Editor/QI uses a system of boxes or cells, which are placed by the user onto a timeline using drag-and-drop, and which represent entities such as chords, repetition, and individual sounds or notes.

The program's database allows the user to create and store harmonics, used for constructing melodic instruments, and anti-harmonics, which are used for constructing percussion instruments.

Users can collaborate with each other, and build on the work of others via an XML import/export facility.

Kangas Sound Editor Web Site


  • The user can create music and sound-effects with it.
  • It uses a system of frequency ratios for pitch control, with MIDI pitch numbers used for start pitches.
  • Instruments, both melodic and percussion, can be created from scratch by specifying harmonics/inharmonics.
  • There is a cellular-like structure to compositions, with cells representing entities at a low level of abstraction (e.g. harmonics) and at a higher level of abstraction (e.g. chord groups).
  • User-definable graphs are widely used in the program, e.g. for control of volume and pitch envelopes, and for shifting the balance of stereo over time.
  • Audio output is to uncompressed .WAV files.
  • From version 3, users can collaborate with and build on the work of other users through an XML import/export facility.

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Additional Project Details



Intended Audience

Advanced End Users, Education, End Users/Desktop, Science/Research

User Interface

Java Swing

Programming Language



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