Audio Glossary

A driver is a loudspeaker part that converts electrical energy to sonic energy.Speaker driver on Wikipedia

IntroductionLoudspeaker directivity is the extent to which loudspeakers focus the sound in a particular direction (typically towards the listener) instead of broadcasting it in all directions around the room. Loudspeaker Directivity: An Ongoing

The decibel (dB) is a logarithmic unit used to express the ratio of two values of a physical quantity, often power or intensity. One of these values is often a standard reference value,

The beam width of a loudspeaker is the angle across which the sound pressure is between 0 and -6 dB relative to the on axis Sound Pressure (i.e. sound pressure straight in

The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period). There are various definitions of amplitude (see below), which are all