composer, pianist, music theorist

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Software (without patent: open-source)

software and programming work I have been doing since 1998.



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  • C♯ERU♭INI ♫ 1.0 (2018)
    Purpose: software for the application and automatic correction of 4-voice homophonic harmony exercises, implemented as additional support for the activities of the undergraduate Tonal Harmony course of the State University of Maringá.
    Operating System: online app, programmed in Javascript, multi-platform.



  • Harmonic Musical Analysis Font (2007-2014)
    Purpose: truetype font with analytical characters and special symbols from Riemannian funcional harmony theory and scale-degree traditional harmony theory for the typesetting of musical analyses.
    Operating System: multi-platform, open-source software.
    You can download the TrueType FONT and its typing chart with some explanations. The font is free only for non-commercial personal and research use, and please do credit my authorship of the font if you end up using it.


  • 6.0 LiveSpatializer (The Joystick Hexagon) (2009-2013)
    Purpose: live spatialization of pre-recorded stereo audio to a hexaphonic (6.0) channel disposition, for live concert situations, controllable through a Playstation 2 joystick interface.
    Operating System: Linux, open-source software; programmed using the visual programming environment Pure Data.


  • Tonicity-Phonicity Calculator (2013)
    Purpose: computational model of psychoacoustic music theories by Richard Parncutt, with the addition of other theoretical components developed by Marcus Bittencourt.
    Operating System: multi-platform; software in PHP accessible through the internet.


  • Surround Projector 7.1 (2009-2012)
    Purpose: mixing and spatialization of pre-recorded audio in 8 discrete channels for mixing in 2.0, 6.0, 8.0, 5.1 and 7.1 styles, for studio production.
    Operating System: Linux, open-source software; programmed in C.


  • Costère Calculator (2005-2010)
    Purpose: computational model of the music theories by Edmond Costère in his 1954 book Lois et Styles des Harmonies Musicales.
    Operating System: multi-platform; software in PHP accessible through the internet.


  • Acousmatic Notator (2005-2010)
    Purpose: notation of complex musical notation in postscript generated by algorithmical means.
    Operating System: Linux, open-source software; programmed in C.


  • LAPPSO-LINUX (2009)
    an installable, Live Linux distribution for audio production and Computer Music.


  • ZOOexternals (2008-2009)
    Purpose: library of C objects for the Pure Data visual programming environment.
    Operating System: Linux, open-source software.


  • Music Notation Object for Pure Data (2006)
    Purpose: Tool to visualize musical data calculated algorithmically.
    Operating System: Linux, open-source software; programmed in C.


  • ConvolutionCenter (2004)
    Purpose: convolution digital filtering, and database of impulse response files.
    Operating System: Linux, open-source software; programmed in C.


  • ZOO_Linux Tools (2003)
    Purpose: suite of command-line tools to perform basic audio editing, filtering and analysis tasks.
    Operating System: Linux, open-source software; programmed in C.


  • Virtual Acousmatic Orchestra (1998-2002)
    Purpose: algorithmical sequencer and sound library for the composition of electroacoustic music and sound designs.
    Operating System: Linux, open-source software; programmed in C++.


  • Mode Generator (2000)
    Purpose: Generation and experimentation of tuning systems and grouping in modes.
    Operating System: Linux. Open-source software; programmed in C++.



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