Player Piano

In the player piano player piano, everything is controlled by the machine and the computer and depends on productivity. Administrators and engineers create new plans only for more efficient production. Even production and consumption rates are calculated by the computer (EPICAC) in the large Carlsbad cave system. The EPICAC computer determines people's career and thus determines their whole life. It provides intelligence testing for everyone and divides people into two categories based on their results - suited for college entrance exams and suitable for "work".

A music roll for a pneumatic player piano, commonly called a piano roll, is wound onto a reel from a continuous roll of paper. The reel is loaded into the player's piano spool box and the free end of the song is hooked on the take-up reel, the reel rewinds the reel at a constant speed and the score of the reading mechanism ("tracking stick") is perforated programming Different player systems through paper play through, the perforation size, channel layout and bobbin accessories are also different, but most comply with one or two major formats later adopted as industry standards.

A piano playing piano (also called a piano) is an automatic playing piano including a pneumatic or electromechanical mechanism for manipulating piano movement through pre-programmed music recorded on a stamp. MIDI implementation. With the rise of large-scale piano production from the late nineteenth century to the early twentieth century, the rise of piano performance further developed. Sales peaked in 1924 and declined as a result of improved gramophone records developed by electronic recording method in the mid 1920's. The emergence of electronic amplification of household music playback at the same time eventually resulted in a drop in popularity and the stock market crash in 1929 nearly wiped out production.