Glossary of Digital Audio terms
VST is an acronym for "Virtual Studio Technology". It was created in 1996 by Steinberg for its Cubase and Nuendo DAW applications. VST was one of the first plugin formats.
VST is an acronym for "Virtual Studio Technology". VST3, introduced in 2008 by Steinberg and is the latest standard for effect plug-ins and virtual instruments. It marks an important milestone in virtual studio technology and incorporates countless updates, enhancements, changes and new features.
A volume unit (VU) meter or standard volume indicator (SVI) is a device displaying a representation of the signal level in audio equipment. The Acoustical Society of America standardized it in 1942 (C16-5 - 1942) for use in telephone installation and radio broadcast stations. Consumer audio equipment often features VU meters, both for utilitarian purposes (e.g. in recording equipment) and for aesthetics (in playback devices).