variophone造句

In 2007, several hours of graphical soundtracks produced with the Variophone were discovered in a Moscow film archive and await publishing.
The technique, similar to Yevgeny Sholpo's " Variophone ", involves drawing on 35mm film strips to control the sound produced.
The fourth and final version of Variophone was not finished, despite promising experiments in musical intonation and the temporal characteristics of live musical performance.
Many sound films and artificial soundtracks for movies and cartoons were produced by means of the Variophone, including the popular sound-films, often broadcast in 1930-1940-s " Symphony of the Piece " and " Torreodor ".
Although with the first version of the Variophone, polyphonic soundtracks of up to 6 voices could be produced by shooting of several monophonic parts and combining them later, by the late 1930s and 1940s, some soundtracks contained up to twelve voices, recorded as tiny parallel tracks inside the normal soundtrack area.
It's difficult to find variophone in a sentence. 用variophone造句挺难的