This is the README file for Pd, a free real-time computer music software package resembling Max. You can get Pd for Linux, Windows, Mac OSX, or IRIX from http://www.crca.ucsd.edu/~msp/software.html or ftp://felix.ucsd.edu. Installation instructions are in the HTML DOCUMENTATION at: http://www.crca.ucsd.edu/~msp/Pd_documentation/index.htm If you download and unpack Pd, you will also find the html documentation locally in the file, .../pd-whatever/doc/1.manual/index.htm. To unpack Pd: LINUX (or freeBSD). Download Pd, which will be a ".tar.gz" file; to unpack it, type "zcat [name].tar.gz | tar xf -" to a shell. This creates a directory with a name like "pd-0.35". There are also RPMs available. Microsoft Windows. Pd is distributed as a "zip" file. Unzip this, creating a directory such as \pd. IRIX. Download Pd, which will be a "tar.Z" file. You can unpack this by typing "zcat [name].tar.Z | tar xf -" to a shell. Macintosh. The web browser will automatically unpack the distributions into a folder such as "pd-0.35" on your desktop. If you have qustions about Pd, or if you wish to be notified of releases, check the Pd mailing list: http://iem.mhsg.ac.at/mailinglists/pd-list/ Many extensions to Pd are available, notably for handling video and 3D graphics; see the html documentation for pointers. COPYRIGHT. Except as otherwise noted, all files in the Pd distribution are Copyright (c) 1997-2001 Miller Puckette and others. For information on usage and redistribution, and for a DISCLAIMER OF ALL WARRANTIES, see the file, "LICENSE.txt," included in the Pd distribution. (Note that tcl/tk, expr, and some other files are copyrighted separately). ACKNOWLEDGEMENTS. Thanks to Harry Castle, Krzysztof Czaja, Mark Danks, Christian Feldbauer, Guenter Geiger, Kerry Hagan, Trevor Johnson, Fernando Lopez-Lezcano, Adam Lindsay, Karl MacMillan, Thomas Musil, Toshinori Ohkouchi, Winfried Ritsch, Vibeke Sorensen, Rand Steiger, Shahrokh Yadegari, David Zicarelli, Iohannes Zmoelnig, and probably many others for contributions of code, documentation, ideas, and expertise. This work has received generous support from the Intel Research Council.