Related:
audio
Surina.net/soundtouch >>SoundTouch is an open-source audio processing library for changing the Tempo, Pitch and Playback Rates of audio streams or files
SoundEdRec.sf.net >>SoundRecEd is a pair of simple graphical utilities to record and edit sound files, similar to operating a tape-deck. Maintained under Sourceforge project SoundEdRec.
PTheremin.sf.net >>This is a simple software-based Theremin written in Python. A theremin is an electronic device that uses a capacitance sensor to determine the distance between the device and the user and outputs a tone that varies based on the distance sensed. Most people are familiar with this instrument as the eery sound effect used in many old sci-fi flicks. This program lets the user control the frequency and amplitude instead using the mouse.
LinuxLabs.com/autozen.shtml >>AutoZen is a software 'brain machine' for Linux. It generates sounds that are meant to cause the brain to temporarily shift to a different dominant frequency and cause the user to experience an altered state of consciousness. It is similar to the devices seen in the 'Sharper Image' catalog and in magazine ads, but the price is a lot more attractive!