As a relatively new field of stagecraft, practitioners create their own definitions, rules and techniques.However, the development of digital projection technology in the mid 90s, and the resulting drop in price, made it more attractive and practical to live performance producers, directors and scenic designers.
A video designer may take responsibility for any or all of the following.
This is a very wide skills base, and it is not uncommon for a video designer to work with associates or assistants who can take responsibility for certain areas.
Also, Opera Academy Verona has a Workshop Laboratory from 2009 of Projection Design for Opera and Theatre, Directed from Carlo Saleti, Gianfranco Veneruci and Florian CANGA.
In the USA, a number of programs started at about the same time reflecting the growing acceptance of the profession and the need for skilled projection designers.
The term "Projection Designer" stems from the days when slide and film projectors were the primary source of projection and is now in wide use across North America.
MA Digital Theatre, University of the Arts London is the first Master's level course in the UK designed to teach video design exclusively as a specific discipline, rather than embedding it into scenic design.
The creation of visuals for live music performances bears close resemblance to music videos, but are typically meant to be displayed as 'backplate' imagery that adds a visual component to the music performed onstage.
However, as the use of video content during musical performances has grown in popularity since the turn of the 21st century, it has become more common to have self-standing 'introductory' and 'interstitial' videos that play on screen on stage without the performers.
A person who practices the art of video design is often known as a Video Designer.
However, naming conventions vary around the world, and so practitioners may also be credited as Projection Designer, "Media Designer", Cinematographer or Video Director (amongst others).
The role of the video designer has developed as a response to this, and in recognition of the demand in the industry for experienced professionals to handle the video content of a production.