Acknowledgements

Phonometrica uses (parts of) the following open source libraries, sometimes with modifications:

• Boost (Boost license), see boost.org

• Eigen, by Benoît Jacob, Gaël Guennebaud and contributors (MPL2), see eigen.tuxfamily.org

• FFTW, by Matteo Frigo and contributors (GPL), see www.fftw.org

• FLAC, by Josh Coalson and contributors (BSD), see flac.sourceforge.net

• IT++, by Bogdan Cristea, Tony Ottosson, Adam Piatyszek and contributors (GPL), see itpp.sourceforge.net

• JSON for Modern C++, by Niels Lohmann (MIT), see github.com/nlohmann/json

• LBFGS++, by Yixuan Qiu, based on work by Naoaki Okazaki (MIT), see lbfgspp.statr.me

• libsndfile, by Erik de Castro Lopo (LGPL), see www.mega-nerd.com

• MuJS, by Artifex Software (ISC), see mujs.com

• Noto fonts, by Google (SIL Open Font License v1.1), see www.google.com/get/noto/

• PCRE, by Philip Hazel (BSD), see www.pcre.org

• Praat, by Paul Boersma and David Weenink, see www.praat.org

• pugixml, by Arseny Kapoulkine (MIT), see pugixml.org

• Qt, by The Qt Company (LGPL), see www.qt.io

• r8brain-free-src, by Aleksey Vaneev (MIT), see github.com/avaneev/r8brain-free-src

• RTAudio, by Gary P. Scavone (MIT), see www.music.mcgill.ca/~gary/rtaudio

• Snack, by Jonas Beskow and Kåre Sjölander (BSD), see www.speech.kth.se/snack/

• sendpraat, by Paul Boersma, see www.praat.org

• sigslot, by Pierre-Antoine Lacaze (MIT), see github.com/palacaze/sigslot/

• sol2 (Unicode routines only), by ThePhD (MIT), see sol2.rtfd.io

• sphinx, by the Sphinx team (BSD), see www.sphinx-doc.org

• SWIPE, by Kyle Gorman (MIT), see github.com/kylebgorman/swipe

• UTF8-CPP, by Nemanja Trifunovic (MIT-like), see utfcpp.sourceforge.net

• utf8proc, by the Public Software Group (MIT), see julialang.org/utf8proc

• zip, by Kuba Podgórski, based on miniz, by Rich Geldreich (public domain), see github.com/kuba–/zip

Phonometrica uses GitHub to host its source code. The source code is available here.

We are also grateful to JetBrains for providing us with an academic license of their C++ editor.

The development of coding protocols was originally developed as part of the following research project: A corpus-based longitudinal study of the interphonological features of Japanese learners of French. PI: Sylvain DETEY (Waseda University). This project was supported by the Japanese Society for the Promotion of Science (JSPS), Grant-in-Aid for Scientific Research (B) n°23320121 (2011-2014).