Amplification

Amplification, along with recording, has had a greater impact on music in the 20th century than any other technical innovation. The process of making sound signals louder has changed significantly the way music is made. For the listener, amplification at home enables control of the level of sound, while in an auditorium amplification allows for greater clarity and detail of sound within a large space. Amplification also affects the way a musician plays and how a composer orchestrates—instruments...