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Microphones

How does a microphone work?

A microphone is a type of transducer. It converts sound pressure waves into electrical signals that can then be manipulated and amplified. Different technologies are used in different types of microphone to pickup the sound pressure wave. Some are better at picking up different frequencies compared to others and are therefore more suited to particular jobs.

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Decibels, Pressure & levels

DeciBel

There was once a bloke called Alexander Graham Bell who you may know invented the telephone? Well he also invented a unit of measurement called the Bel. A 10th of a Bel is a Decibel. A Decibel or dB is used to express the difference between two values Рoften a measurement and a reference value.

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