Microphones
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Shopping Guide – Microphone
The microphone came from the expansion of the resources of the phone. It is a device that converts sound into electrical signals. They are used in various devices such as radio, television, telephones, hearing aids and writers. There are several categories of microphone on the market, with peculiar characteristics to meet the need of each user.
What are the main types of microphones?
There are 6 kinds of microphones, but the most commonly used are those of the dynamic and condenser. The dynamic microphones are those that require no external power, have a lower price and are more robust and resistant than the condenser and is best to capture the sounds of a close source. It accepts large pressures sound without distortion, and are suitable for concerts and reports by capturing little noise environment. The condenser microphones, are those recommended for capturing high-quality sound, requiring external power (whether by cable or battery), used in studio recordings, and TV, with great sound, but more delicate.
What is the best format of microphone for each situation?
There are different formats of microphones, which are: Hand Microphone - the most common type of microphone, and can be insured with the hand, supported on a pedestal or even on the floor. It is the format used by singers, speakers, reporters. It has a vibration insulation, internally, allowing it to be handled without causing interference.
Lapel Microphone - It is a very small unit size, which is usually placed next to the body of the person, in the clothes, leaving their hands free, being more discreet that the microphone of hand. It is widely used in the studio interviews.
ShotGun Microphone - Has the format of a long tube, captures sounds from greater distances. Is typically used in situations where you can not put the microphone close the source emitting and precisely eliminate up sounds from near sides.
PZM microphone - made to capture the sound of several people, therefore equals the volume of all sounds captured within reach.
Contact Microphone - To capture the sounds in direct contact with a sound source.
Studio Microphone - Make for recording studios.
Wireless Microphone - general of lapel or hand, are microphones that need no wire. The unit converts the units of sound in electric signal, which after being sent to a transmitter, it is forwarded to a receiver that turns back into audio signal.
What is directionality of the microphone?
It is the way the microphone captures the sound coming from different directions.
What types of directionality are there?
The microphones omnidirectional are those that capture the sounds from all directions. The bidirectional microphones are those that capture sounds from two opposite directions. The directional microphones capture the sound from a single direction. The cardioides microphones respond better to sounds from front. The hipercardióides microphones are very sensitive to sounds front, with little sensitivity to the sounds coming from the back. They are the shotgun microphones.
What care should I have with my microphone?
The microphones, mainly from the condenser requires care to not show many defects. To test the microphone by touchinh the tip affects the unit, so you must be careful with the accumulation of saliva and do not leave the microphone in places where moisture can cause then the emergence of fungi.
