Synthesizer (noun)

1. An electronic device or program that generates a wide range of sounds by combining and shaping basic waveforms, and can be used to produce music or sound effects.
2. A device or program that generates a signal or image from separate components.

Origin:

Early 20th century: from synthesis + -izer.

Examples:

1. The musician used a synthesizer to create the background music for the film.
2. The synthesizer was able to produce a wide range of sounds, from a piano to a trumpet.
3. I bought a software synthesizer to create my own electronic music.
4. The synthesizer was an important component of the electronic music revolution of the 1970s.
5. The synthesizer was programmed to create specific sound effects for the movie.