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An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude (magnitude of the voltage or current) of a signal applied to its input ...
Line level is the specified strength of an audio signal used to transmit analog sound between audio components such as CD and DVD players, television sets, audio amplifiers, and mixing consoles.
For loudness compensation to work correctly the playback system must also accurately assume what volume level was used in mastering. For movie soundtracks this reference volume level is an industry standard [ 4 ] and can be used by manufacturers to provide a loudness feature that works with a reasonable degree of accuracy.
It produced far more volume from a given amplifier than a cone speaker. Horns were used in virtually all early PA systems, and are still used in most systems, at least for the high-range tweeters. Peter Jensen and Edwin Pridham of Magnavox began experimenting with sound reproduction in the 1910s.
In computer data storage, a volume or logical drive is a single accessible storage area with a single file system, typically (though not necessarily) resident on a single partition of a hard disk. Although a volume might be different from a physical disk drive, it can still be accessed with an operating system's logical interface.
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A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Field-effect transistors (FET) MOSFET (metal–oxide–semiconductor FET) – by far the most widely manufactured electronic component (also known as MOS transistor) [6] [7] PMOS (p-type MOS) NMOS (n-type MOS) CMOS (complementary MOS ...
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