Credits

Disco XT © 2013 Aleksi Strandberg
http://www.discoxt.com

Disco XT uses the following software libraries:

PortAudio
Portable Real-Time Audio Library
© 1999-2011 Ross Bencina and Phil Burk
http://www.portaudio.com

PortMidi
Portable Real-Time MIDI Library
Copyright (c) 1999-2000 Ross Bencina and Phil Burk
Copyright (c) 2001-2009 Roger B. Dannenberg
http://sourceforge.net/projects/portmedia

FFTReal
© Laurent de Soras

libsndfile
Copyright (C) Erik de Castro Lopo
libsndfile is released under the terms of the GNU Lesser General Public License, either version 2.1 or 3.
http://www.mega-nerd.com/libsndfile/

"A Collection of Useful C++ Classes for Digital Signal Processing"
Copyright (c) 2009 by Vincent Falco
http://code.google.com/p/dspfilterscpp/

Tempo mode Dirac LE
DIRAC Time Stretch / Pitch Shift technology licensed from The DSP Dimension
http://www.dspdimension.com. DIRAC is (c) Stephan M. Bernsee

pvvppvvp2 Tempo mode /effect includes some code from smbPitchShift
http://www.dspdimension.com