What is a Transducer ? Transducer – Noun « a device that converts variations in a physical quantity, such as pressure or brightness, into an electrical signal, or vice versa. » Oxford Dictionary of English, 2001. A transducer converts information in an energy form into another energy form, be it mechanical, electrical, thermal, etc. Hence, […]

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Sound and Music How is Sound perceived ? In a human being, sound is captured by the ear and sent to the brains as nerve ( electrical ) signals. It is the biological equivalent to a microphone. From the outer ear ( pinna ) sound waves travel through the ear canal to reach the eardrum and cause it to vibrate. […]

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What is sound ? « vibrations that travel through the air or another medium and can be heard when they reach a person’s or animal’s ear » The New Oxford Dictionary of English, Oxford University Press, 2002. Sound is a mechanical vibration that travels through matter, wether solid, liquid or gaseous. Sound travels anywhere but not in space, […]

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