Audio plug-in: Difference between revisions
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Commercial plug-in developers include [[Waves Audio]], [[http://www.camelaudio.com | Camel Audio]], [[AVID]] and [[Native Instruments]]. |
Commercial plug-in developers include [[Waves Audio]], [[http://www.camelaudio.com | Camel Audio]], [[AVID]] and [[Native Instruments]]. |
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Revision as of 18:33, 15 April 2012
An audio plug-in, in computer software, is a plug-in that can add or enhance audio-related functionality in a computer program. Such functionality may include digital signal processing or sound synthesis.[1][page needed] Audio plug-ins usually provide their own user interface, which often contains GUI widgets that can be used to control and visualise the plug-in's audio parameters.[2][page needed]
Plug-in types
There are three broad classes of audio plug-in: those which transform existing audio samples, those which generate new audio samples through sound synthesis and those which analyse existing audio samples.[2] Although all plug-in types can technically perform audio analysis, only specific formats provide a mechanism for analysis data to be returned to the host.[3]
Instances
The program used to dynamically load audio plug-ins is called a plug-in host. Example hosts include Mainstage, Bidule, REAPER and Sonic Visualiser. It has also been shown that plug-ins can be used to host other plug-ins.[4] Communication between host and plug-in(s) is determined by a plug-in API. The API declares functions and data structures that the plug-in must define in order to be usable by a plug-in host. Additionally a functional specification may be provided, which defines how the plug-in should respond to function calls, and how the host should expect to handle function calls to the plug-in. The specification may also include documentation about the meaning of variables and data structures declared in the API. The API header files, specification, shared libraries, license and documentation are sometimes bundled together in an SDK.[5][6]
List of formats
Name | Vendor | License | GUI support | Supported types | Supported platforms |
---|---|---|---|---|---|
Virtual Studio Technology | Steinberg | Proprietary | Yes | Transformation | Mac OS X, Windows, Linux (via WINE) |
VSTi | Steinberg | Proprietary | Yes | Synthesis | Mac OS X, Windows, Linux (via WINE) |
Audio Units | Apple | Proprietary | Yes | Transformation, Synthesis | Mac OS X |
Real Time AudioSuite | Avid | Proprietary | Yes | Transformation, Synthesis | Mac OS X, Windows |
Avid Audio eXtension | Avid | Proprietary | Yes | Transformation, Synthesis | Mac OS X, Windows |
TDM | Avid | Proprietary | Yes | Transformation, Synthesis | Mac OS X, Windows |
LADSPA | ladspa.org | LGPL | No | Transformation | Mac OS X, Windows, Linux |
DSSI | dssi.sourceforge.net | LGPL, BSD | Yes | Transformation, Synthesis | Mac OS X, Windows, Linux |
LV2 | lv2plug.in | LGPL | Yes | Transformation, Synthesis | Linux |
DirectX | Microsoft | Proprietary | Yes | Transformation | Windows |
DXi | Microsoft | Proprietary | Yes | Synthesis | Windows |
VAMP | vamp-plugins.org | BSD-style | No | Analysis | Mac OS X, Windows, Linux |
See also
References
- ^ Collins, Mike A. (2003). Professional Guide to Audio Plug-ins and Virtual Instruments. Burlington, MA: Focal Press. ISBN 9780240517063.
- ^ a b Goudard, Vincent; Müller, Remu (2 June 2003). "Real-time audio plugin architectures" (PDF). IRCAM.
{{cite journal}}
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(help) - ^ Cannam, C. 2008., The vamp audio analysis plugin api: A programmer’s guide. [1]. Revision 1.0, covering the Vamp plug-in SDK version 1.2. 51
- ^ Gibson, D. and Polfreman, R., 2011. An Architecture For Creating Hosting Plug- Ins For Use In Digital Audio Workstations. In: International Computer Music Conference 2011, 31 July - 5 August 2011, University of Huddersfield, England.
- ^ VST SDK
- ^ VAMP SDK