Csound

File Format
Name	Csound
Ontology	Electronic File Formats Audio and Music Csound
Extension(s)	.csd

Csound is a free and open source markup language for audio synthesis. A notable property of Csound is absolute backward compatibility — no matter how old a source file is, it will always produce identical output in new versions.

Identifying Csound files

Csound files use the extension .csd and use an XML-like syntax to delimit sections.

Links

• Official site
• Sample from manual