Impromptu is an OSX programming environment for composers, sound artists, VJ’s and graphic artists with an interest in live or interactive programming. Impromptu is a Scheme language environment, a member of the Lisp family of languages...
Musical material can be precisely scheduled for performance by any AudioUnit instrument node and parameters, program changes and presets can be programmatically changed on-the-fly as well as directly via the AU’s user interface...
Graphics routines can be applied with the same temporal accuracy as audio material allowing artists to tightly integrate audio and visual components...
Impromptu also includes a bidirectional ObjC-Bridge allowing Scheme to instantiate and call ObjC objects and ObjC objects to call back into the Scheme interpreter.
