Live event support

In 1935, less costly 16 mm film equipment allowed many other performance groups and school theaters to use motion pictures in productions.

[3] In 1978, TJ McHose designed a touring color video system that enlarged performers at the Kool Jazz Festivals in sports stadiums across the United States.

[4] Live event visual reinforcement is the addition of projected lighting effects and images onto any type of performance venue.

In China during the Han Dynasty, Shadow puppetry was invented to "bring back to life" Emperor Wu's favorite concubine (reigned 141 to 87 BCE).

[5][6] The next major advance in Visual reinforcement for events was the magic lantern, first conceptualized by Giovanni Battista della Porta in his 1558 work Magiae naturalis.

A sound reinforcement system is professional audio, was first developed for movie theatres in 1927 when the first ever talking picture was released, called The Jazz Singer.

In the 1960s, rock and roll concerts promoted by Bill Graham at The Fillmore created a need for quickly changeable sound systems.

[11] Well designed touring systems unload from the truck gently, roll easily into their stage location, connect to each other quickly.