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A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.
Pittsburgh, Philadelphia, Harrisburg. The Government of the Commonwealth of Pennsylvania is the governmental structure of the Commonwealth of Pennsylvania as established by the Pennsylvania Constitution. It is composed of three branches: executive, legislative and judicial. The state capital of Pennsylvania is Harrisburg.
A performance appraisal, also referred to as a performance review, performance evaluation, [1] (career) development discussion, [2] or employee appraisal, sometimes shortened to "PA", [a] is a periodic and systematic process whereby the job performance of an employee is documented and evaluated. This is done after employees are trained about ...
The loudspeaker system was invented. That meant that producers didn’t have to pay for the rare person with both announcing skills and a loud voice. Now all they needed was a person who could ...
Hospital emergency codes are coded messages often announced over a public address system of a hospital to alert staff to various classes of on-site emergencies. The use of codes is intended to convey essential information quickly and with minimal misunderstanding to staff while preventing stress and panic among visitors to the hospital.
This page was last edited on 31 May 2013, at 10:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply ...
In the politics of the United States, elections are held for government officials at the federal, state, and local levels. At the federal level, the nation's head of state, the president, is elected indirectly by the people of each state, through an Electoral College. Today, these electors almost always vote with the popular vote of their state ...
Live PA. Live PA (meaning live public address, or live personal appearance) is the act of performing live electronic music in settings typically associated with DJing, such as nightclubs, raves, and more recently dance music festivals. In a performative context, the term was originally used to refer to live appearances, initially at rave events ...
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