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As previously stated LADSPA is the Linux Audio Developer's Simple Plug-in API. LADSPA provides a standard way for `plug-in' audio processors to be used with a wide range of these packages. Dave Phillips in his O'Reil ly article, clearly explains what a 'simple plug-in' is as follows:
A plug-in is a software module that adds new functions or extensions to a host application, without the need to recompile the program. The plug-in functions are stored within a shared object file (*.so in Linux, *.dll in Windows) that may contain one or several plug-ins. The application provides the entry points to dock an object, and the new functions are immediately available. The user accesses the plug-in as a normal part of the host's interface.
Therefore, plug-ins add flexibility to Snd or the ability to do additional signal processing to an existing sound. Many of the plug-ins that are available in Snd are Open Source version of plug-ins used in other operating systems. Many of them are improved versions of commercial products done by Steve Harris and a talented group of DSP hackers. You are encouraged to try most of them. You can find more information about each plug-in at the LADSPA web page and its links to the developers.
N O T E: on PlanetCCRMA Linux machines outside CCRMA network, Snd sources are located on,
The following plug-in categories are available in Snd