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Encyclopedia > DirectX plugin

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. Computer music is music generated with, or composed with the aid of, computers. ... Professional audio, also pro audio, can be used a term to refer to both a type of audio equipment as well as a type of audio engineering application. ... A software synthesizer, also known as a softsynth or virtual instrument is a computer program for digital audio generation. ... Digital signal processing (DSP) is the study of signals in a digital representation and the processing methods of these signals. ... This article is about audio effect. ... Delay is an audio effect which records an input signal to an audio storage medium, and then plays it back after a period of time[1]. The delayed signal may either be played back multiple times, or played back into the recording again, to create the sound of a repeating... An effects pedal, or stomp box, is an effects unit housed in a small metal chassis, used by musicians, usually electric guitar players as a guitar effects pedal, but sometimes players of other instruments including keyboards, violin, or cello. ... In the world of guitar music and guitar amplification, distortion is actively sought, evaluated, and appreciatively discussed in its endless flavors. ... Flanging is an delay-based audio effect that occurs when two identical signals are mixed together, but with one signal time-delayed by a small and gradually changing shifting amount, usually smaller than 20 ms (milliseconds). ... The chorus effect is a condition in the way people perceive nearly the same sound coming from more than one source. ...

Contents

Overview

Similar to Virtual Studio Technology and later, Audio Units in Apple Mac OS X, DirectX plugins have an open standard architecture for connecting audio synthesizers and effect plugins to audio editors and hard-disk recording systems. DirectX plug-ins are based on Microsoft's Component Object Model (COM) which allows plugins to be recognised and used by other applications via common interfaces. Plugins connect to applications and other plugins with pins via which they can pass and processes buffered streams of audio (or video) data. Architecturally, DirectX plugins are DirectShow filters. Virtual Studio Technology and its acronym VST refer to an interface standard for connecting audio synthesizer and effect plugins to audio editors and hard-disk recording systems. ... Audio Units is a plug-in API developed by Apple Computer to add functionality to audio creation and recording software. ... Mac OS X (official IPA pronunciation: ) is a line of proprietary, graphical operating systems developed, marketed, and sold by Apple Inc. ... Component Object Model (COM) is a Microsoft platform for software componentry introduced by Microsoft in 1993. ... Logo of the DirectX Media SDK - the first time DirectShow was distributed under its current name. ...


Types and compatiblity

DirectX plugins are also of two types, DirectX effect plugins (DX) and DirectX Instrument plugins (DXi). Effect plugins are used to generate, process, receive, or otherwise manipulate streams of audio. Instrument plugins are MIDI controllable DirectX plugins, generally used to synthesize sound or playback sampled audio using virtual synthesizers, samplers or drum machines. DirectX effect plugins were developed by Microsoft as part of DirectShow. DirectX instruments were developed by Cakewalk in co-operation with Microsoft. Musical Instrument Digital Interface, or MIDI, is a system designed to transmit information between electronic musical instruments. ... A software synthesizer, also known as a softsynth or virtual instrument is a computer program for digital audio generation. ... A software sampler is similar to a software synthesizer and there is great deal of overlap between the two, but whereas a software synthesizer generates sounds algorithmically from mathematically-described tones or short-term waveforms (, less than 100ms in length), a software sampler always reproduces samples, often much longer than... A Boss DR-202 Drum Machine Drum machines are sequencers with a synthesizer, sampler, and/or a sample playback (rompler) component that is tailored to imitate the sounds of drums and other percussion instruments. ... ÊCakewalk is a company based in Boston, Massachusetts that develops music [[interchange of projects between SONAR and other competing recording/editing software (e. ...


DirectX plugins however are not cross-platform, and are available only on Windows. VST plugins on the contrary are cross-platform. As a result, several wrapper plugins are available so that DirectX plugins can be used in applications which only support VST and vice versa. Others such as chainer plugins are also available which allow chaining multiple plugins together. VST refers to: VLT Survey Telescope a complementary instrument to the VLT (VST external webpage) Virtual Studio Technology and may refer either directly to some versions of the Steinberg Cubase program or VST plug-ins. ...


Programmability

DirectX plugins can be developed in C++ using Microsoft's DirectX SDK, Sony's Audio plugin development kit or Cakewalk's DirectX Wizard. There is also a Delphi SDK available here. Microsoft DirectX is a collection of APIs for handling tasks related to multimedia, especially game programming, on Microsoft platforms. ... Delphi (Greek Δελφοί — Delphee) is an archaeological site and a modern town in Greece on the south-western spur of Mount Parnassus in a valley of Phocis. ...


See also

Virtual Studio Technology and its acronym VST refer to an interface standard for connecting audio synthesizer and effect plugins to audio editors and hard-disk recording systems. ... Steinberg is a German musical equipment and software company. ... Computer music is music generated with, or composed with the aid of, computers. ... Musical Instrument Digital Interface, or MIDI, is a system designed to transmit information between electronic musical instruments. ... A Digital Audio Workstation (DAW) is a system designed to record, edit and play back digital audio. ...

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