Virtual Studio Technology - Programming Languages

Programming Languages

Steinberg's VST SDK is a set of C++ classes based around an underlying C API. The SDK can be downloaded from their website.

There are several ports available, such as a Delphi version by Frederic Vanmol, a Java version from the jVSTwRapper project at Sourceforge, and two .NET versions — Noise and VST.NET; this open source project also includes a framework which makes creating VST plugins easier and result in more structured code. VST.NET also provides support for writing managed host applications with a managed class that allows loading an unmanaged Plugin. A notable language supporting VST is Faust considering that it is especially made for making signal processing plugins, often producing code faster than hand-written C++.

In addition, Steinberg have developed the VST GUI, which is another set of C++ classes, which can be used to build a graphical interface. There are classes for buttons, sliders and displays etc. Note that these are low level C++ classes and the look and feel still have to be created by the plugin manufacturer.

A large number of commercial and open-source VSTs are written using the Juce C++ framework instead of direct calls to the VST SDK, because this allows multi-format (VST, AudioUnit and Real Time AudioSuite) binaries to be built from a single codebase.

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