A tone generator, also called a signal generator in some applications, is an electronic device that artificially creates sounds frequencies — usually, but not always by a primarily electrical means. The device creates an electrical signal and converts it into sounds.

What is a tone generator in music?

A tone generator is a signal generator circuit which converts applied electrical signals to audio signals. It can be used to produce dial tones in telephones or produce sirens in ambulances or VIP vehicles etc or to generate melody tunes in toys, door bells etc.

How far does a tone generator work?

The tone generators strong tone allows for precise pair identification up to 10 miles (16 km) away. Loud speaker on probe makes the tone easier to hear through drywall, wood, and other enclosures.