Microphones System
Types of microphones and their use
The main thing behind the work of a microphone diaphragm. Any microphone technology depends on the membrane, because it's the only thing that picks up sound waves create the signal. Thus, regardless of the technology, operation of the microphone the same way. But of course, the possibilities are different for different technologies that each microphone has its own use.
Technically, There are five types of microphones commonly used for various purposes. Starting with the most recent, it is the wireless microphone that is very popular today. You are responsible for registering and mission of the sounds used. These microphones are portable and can be on camera, recorder, or speaker can be connected without the cable. In this system, there are three components to jointly develop and transmit a signal to the point where it is taken and amplified.
First, it is the actual microphone, a tiny clip attached to the ear or the reverse is. In addition, the station which converts the audio signal, a signal is in the UHF FM, VHF, or the radio spectrum. The final element is the antenna, which broadcasts the signal generated a short distance. These microphones are presented in different types of entertainment such as television shows, stage shows and use bands.
Other types of microphones are:
Dynamic microphones: These work via electromagnetic induction. It is a magnet of electricity induced by the flow in the wire. When the diaphragm vibrates with sound waves, receives the magnet moves and this movement produces a small current. As dynamic microphones are strong and resistant to moisture, they are mainly used in the show by the singers or groups.
Microphones: These capacitors are also known because the membrane acts as a plate of capacitor and the vibrations produce changes in the distance between the plates. And these changes are amplified to produce a measurable signal. However, the microphones capacitor requires a small battery to a voltage across the capacitor. When she is capable, high quality sound, they are used in records laboratory and studio.
Ribbon microphones: These microphones pass through a metal band, suspended in a magnetic field and electric connected the microphone. This band is the sound waves, the change proposed by the current and therefore the electrical signal is generated. Ribbon microphones are used mainly for the pool in barrels.
Crystal microphones into the microphone, a crystal is the membrane that signal when the diaphragm through the sound waves produced joint shaken. In fact, it uses the phenomenon of piezoelectricity. This means that there are crystals materials, produce a voltage, if they were applied by pressure to convert the vibrations into electrical signals. However, crystal microphones with vacuum tube equipment for tape recorders are used at home. Are you even be used as contact microphones to amplify the sound of acoustic instruments.
Microphones Carbon: The microphones have been used phones in the past. They mostly use coal dust with a thin metal membrane on one side. And if the sound waves hit the diaphragm they compress the carbon dust, its resistance changes. This resistance will change amount of current passing through.
About the Author
Victor Epand is an expert consultant for music gear, speakers, and microphones. You can find the best marketplace for music gear, speakers, and microphones at these 3 sites: music gear, recording equipment, speakers, subwoofers, and wireless microphones, dynamic microphones, condenser microphones.
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