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By: Groshan Fabiola
Sound and music are truly amazing, but even more amazing are devices invented and used by humans to record and reproduce these sound. By copying the system we use to hear the sounds that surround us, Alexander Graham Bell, the inventor of the first microphone, succeeded in recording and reproducing the sounds he wanted. The way this system works is both simple and ingenious: sounds are produces through air pressure differences which are recorded by a diaphragm. The first microphones used the air pressure resulted from someone talking to cause an artificial diaphragm vibrate and move a needle onto a foil. The reverse action causes the sounds to be reproduced. While past microphones worked thanks to a mechanical system, modern ones function electronically, but are basically aiming to do the same thing. Since the first device reproducing sounds has appeared, many types of microphones have been invented. From liquid microphones to crystal microphones, all of them have been created with the same purpose: to recreate sound perfectly. Nowadays, there are certain internationally famous brands like Singapore Shure that are still working relentlessly in their pursuit of the best sound possible. Many research and development centers are bringing innovations and improvements to audio systems each day. People working in the music industry use only high fidelity audio products such as Singapore Neumann microphones and accessories.

A modern microphone will transform the pressure waves in the air into electrical signals to record sound. After the liquid microphone was invented By Thomas Watson and Graham Bell, the carbon microphone followed. The carbon dust is used to change the amount of current that flows through the device. While the diaphragm compresses the carbon, it changes its resistance making it possible for this mechanism to work. This extremely old system is also used today in some telephones. The very first Singapore Neumann microphones also used this technology to work. The fiber optic systems use extra-thin glass strands instead of metal strands to transmit information faster and more accurately. This is why fiber-optic microphones can be truly small, but other features such as the possibility to use them in electrically sensitive locations and in magnetic resonance imaging make these microphones truly revolutionizing.

Dynamic microphones are using electromagnet effects into their advantage, but the most commonly used recording device is the electret microphone. Cheap and simple, these microphones are everywhere from cell phones to hands-frees and computers. Singapore Shure electret microphones are used especially in headsets devices. The system is similar to a condenser device, but the external charge is now internal and stands out as a material that is a continuous state of polarization, namely an electret material. This material is basically the secret behind the success of this technology that practically surrounds us nowadays. Another interesting type of microphone is the one used in broadcasting stations: the ribbon microphone. This thin device can pick up noises and sounds from both sides, but the reason why it was so popular among radio broadcaster was the excellent clarity with which it reproduced sounds.

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