Microphone Live
Microphone Live
Shotgun Microphone And Its Types
Perhaps the most directional and qualitative one among others is the shotgun microphone. By direction, we mean the directivity of the microphone that usually is defined by the shape. Between the two elements of a microphone, that is inner and outer, the inner elements determine the structural shape of the capsule and the outer is the interference tube. Moreover, this microphone has amazing audio quality and is best for using in TV, films and wildlife recordings.
Shotgun microphone used to be like an externally powered long condenser microphone, but after the modification it is now a long barreled one with acceptance angle. It is mainly used with the DV cams, especially for shooting documentaries and covering live events. It proves to be more fruitful even incase there is no sound recordist. Therefore, once it is mounted on the camcorder its performance begins. But it needs a good mount like the Universal Mini Mount that has two-inch height extension to remove the tip of the microphone from the upper portion of the picture. And this kind of extension is mainly necessary for the smaller camcorders.
Another method of using a shotgun microphone that is usually preferred by the professionals is boom mounting. The main benefit of using a shotgun in a boom pole is that it can be brought closer to the subject that will give better signal and will exclude ambience sound. Moreover, there will be richness in the sound.
However, the commonly used shotgun microphone brand is the Audio-Technical that provides various types of shotgun mikes that differ in the features in many ways. Like there is short shotgun super-directional microphone, stereo short shotgun super-directional microphone, ultra compact narrow acceptance short shotgun microphone, short shotgun condenser microphone, etc.
Their features are as follows:
Short shotgun super-directional microphone: This is the high performance shotgun that has outstanding long distance audio pick up as it has narrow acceptance angle of line. It is smooth and has natural sounding on-axis audio quality with off-axis rejection of sound from sides and rear of the microphone.
Stereo short shotgun super-directional microphone: Used mainly by the broadcasters, sound recordists, and videographers, this one has the quality stereo audio. It is compact; light weighted and is perfect for pistol grip, boom and camera mount. Moreover, it features switchable low frequency roll-off, independent line cardioids and figure of eight condenser elements. But it needs phantom powering.
Ultra compact narrow acceptance short shotgun microphone: It is primarily for the broadcast and video production audio acquisition and the shortest in the shotgun category. It is a high performance microphone that can be mounted on boom pole or DV camcorder. The noticeable quality is that it has good sound rejection from the sides and rear and it also has modified response that minimizes noise.
Short shotgun condenser microphone: It provides the facility of reproduction for close, medium, and long distance pick up of sound. There are different settings for different pick-ups like normal for close to medium pick up and tele for long distance. And in this tele range setting there is unidirectional condenser to pick up dialogs and sound effects at a distance, while removing the ambiance.
These are a few high quality shotgun microphones that are generally used by the professionals.
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, music equipment, speakers, and laser microphones, parabolic microphone.
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NITRO MICROPHONE UNDERGROUND / LIVE 09 (OFFICIAL)
Functioning and Features of Dynamic Microphones
Perhaps the most preferred and definitely the best microphone for sound and music reproduction is the dynamic microphone. It is really dynamic. It works like a loudspeaker but reversed. For managing high volume levels from musical instrument or amplifiers these microphones are the perfect choice, that do not even need batteries or any kind of external power and does not have internal amplifier too. Moreover, they are best suited for guitar amplifier, drums and back up for vocal sound. Infact these are even ideal for general use.
Switching over to the functioning of the dynamic microphones, as mentioned earlier that its workings are almost like loudspeakers but in a reverse form. Rather we can say that they are the loudspeakers in reverse. Generally, loudspeakers converts electric signal into sound waves. Whereas, microphones do just the opposite. Although any all microphones follow the same principle but dynamic ones demonstrates it just perfectly.
We are familiar with a common process that moving a magnet near a coil of wire can generate electric current. Dynamic microphones, follows this electromagnet principle to create audio signal using wire coil and magnet. A diaphragm is attached to a coil of fine wire, which is mounted in the gap of the magnet so that it can move backward and forward. The diaphragm vibrates with the movement in the sound waves making the coil to move backward and forward in the field of magnet. And as this movement occurs, an electric current is induced in the wire. However, it should be noted that the current produced depends on the motion of the coil and this current is the electrical form of the sound wave.
However, there is a vital and technical point that the frequency level is not uniform in case of the dynamic microphones. Rather, they have customized frequency response for specific applications and moreover the response is very limited too. But in case of the neodymium magnets that are basically powerful and flexible and so can be made smaller which will result into high output level with linear frequency response.
Next come the features and the advantages of the dynamic microphones. First of all, these microphones do not require any external power like battery or phantom power which is essential in other type of microphones. They have the ability to stand high sound pressure and thus good for live vocals, drums and loud guitar amplifiers. Moreover, they are pretty rough and tough and well built. They are even resistant to moisture and can face any kind of accidental misuse. And this is the reason that they are extensively used for stage performances by singers and musicians.
Shure microphones like Shure SM57 and Shure SM58 are much in use and are quite popular models of dynamic microphones because of their sound quality and also because they can survive any mistreatment. Infact, these microphones are the first choice of the rock performers. Although other types of microphones are also there, that function mostly like the dynamic ones but their features differ. Even though they have wide range of frequency response and good transient response too (like the condenser microphones), but lacks other qualities like toughness and sound. And moreover, they just cannot go without power source.
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, music equipment, speakers, and dynamic microphones, shure microphones.
