DEVELOPMENT - SOFTWARE
Pure Data (Pd) is a graphical programming language and environment for audio, video and multimedia.
It was written by Miller S. Puckette and is developed by a worldwide community of users.
It is open source software and runs on many operating systems can can be downloaded here.
Here are some Pd files which are of possible use for others, released under the BSD license.
rpdb~.pd     (help-patch and screenshot)
RMS and Peak Dezibel metering abstraction (Pd Version 0.50-2 and later required).
gem_vu.pd     (help-patch and screenshot)
An abstraction to visualize a vu-meter (like pd's internal object) using the Gem opengl library.
When monitoring a lot of channels this can save some cpu compared to Pd's internal vu object.
MUSGER - Script-based audio processing
MUSGER is a library of audio processing functions for Unix-like operating systems executed in a shell command window.
It is conceived as a modular collection of scripts using SoX, aubio, CDP.
MUSGER is released under the GNU/GPL license and is named after August Musger who invented a slow motion technique for film in 1904.