footils – Using the foo Sound Synthesis System as an Audio Scripting Language

foo is a versatile non-realtime sound synthesis and composition system based on the Scheme programming language (Eckel and González-Arroyo, 1994; Rumori et al., 2004; Rumori, 2005). It is mainly used for sound synthesis and algorithmic composition in an interactive type-render-listen-loop (the musician’s read–eval–print-loop) or in conjunction with an editor like the inferior mode of emacs. Unlike with other sound synthesis languages, foo programs are directly executable like a shell script by use of an interpreter directive. foo therefore allows for writing powerful sound processing utilities, so called footils.