A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustictransducer[1] that converts an electrical audio signal into a corresponding sound.[2] A speaker system, also often simply referred to as a “speaker” or “loudspeaker”, comprises one or more such speaker drivers, an enclosure, and electrical connections possibly including a crossover network. The speaker driver can be viewed as a linear motor attached to a diaphragm which couples that motor’s movement …

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Who is Speaker ?

The speaker of a deliberative assembly, especially a legislative body, is its presiding officer, or the chair. The title was first used in 1377 in England.[1] Usage[edit] The title was first recorded in 1377 to describe the role of Thomas de Hungerford in the Parliament of England.[2][3] The speaker’s official role is to moderate debate, make rulings on procedure, announce the results of votes, …

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