
In computer music and professional audio creation, a DirectX plugin is a software processing component that can be loaded as a plugin into host applications to allow real-time processing, audio effects, mixing audio or act as virtual synthesizers. DirectX plugins allow the replacement of traditional recording studio hardware and rack units used in professional studios with software-based counterparts that can be connected together in a modular way. This allows host manufacturers to focus on the conviviality and efficiency of their products while specialized manufacturers can focus on the digital signal processing aspect. For example, there are plugins for effects boxes, such as reverbs and delays, effects pedals, like guitar distortion, flange and chorus, and for mixing and mastering processors such as compressors, limiters, exciters, sub bass enhancers, stereo imagers and many more.
DirectX plugin hosts ACID Pro (version 3.0 or later)
Adobe Audition (Formerly Cool Edit 2000 and Cool Edit Pro 1.0, 2.0)
Cakewalk Sonar (version 2.0 or later)
DAVID Systems GmbH Multitrack Editor V4
FL Studio
MAGIX Samplitude
Minnetonka Audio Fast Edit
One Man Band Originals
REAPER
Sony Vegas
Sound Forge
Steinberg Wavelab
Steinberg Nuendo
Steinberg Cubase
Synthie
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http://en.wikipedia.org/wiki/DirectX_plugin--
http://en.wikipedia.org/wiki/DirectX#Releases