A wireless microphone, as the name implies, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Wireless microphone systems are a key component in almost every broadcast, motion picture, theatrical, and sound stage production, as well as in corporate, religious, and educational venues.
The professional models transmit in VHF or UHF radio frequency and have true diversity reception which eliminates dead spots and the effects caused by the reflection of the radio waves on walls and surfaces in general. The VHF band is located in the frequency range between 30 MHz and 300 MHz. This is the other common band used in wireless microphone systems, but it is not used as commonly as UHF.
Wireless microphone for camera are typically those of the fixed frequency type, meaning that the user has no opportunity to switch frequencies if interference is encountered. The UHF band is located in the frequency range between 300 MHz and 3 GHz and is the most common band used in wireless microphone systems. Depending on national regulations, which differ for every country, wireless microphones may operate in the range between 470 MHz and 865 MHz. These frequencies are shared with over-the-air TV broadcasts. So when selecting a frequency, the user must know what frequencies to stay away from to avoid interference.
Advantages and disadvantages of wireless microphones
The biggest advantage of a wireless microphone system is its freedom of movement. Since a wireless microphone is not connected by any cable, the user does not get restricted by the length of the cable. A wireless microphone sends audio signals over the air, rather than through microphone cables. The microphone is attached to a transmitter and the signals are received by a receiver connected to the audio console or recording device. The user can avoid cable problems that frequently occur because of the constant moving and stressing of the cables.
Though wireless microphone system for camera are in use everywhere, it has their disadvantages too, regardless of their state-of-the-art technology. It has only a limited operation time due to low battery life. It does not work if the user takes the microphone out of range. Sometimes there may be the possibility of interference with other radio equipment or other wireless interview microphone for dslr.
Different kinds of wireless microphones
Generally, they are two types of wireless microphone system for camera– handheld wireless microphone and bodypack wireless microphone. A handheld microphone is like a normal wireless microphone, but it has a bigger body to accommodate the transmitter and battery pack. The bodypack microphone is a small box housing the transmitter and battery pack, but not the microphone itself. It is attachable to the belt or elsewhere and has a wire going to the headset, lavaliere microphone, or a guitar.
Some of the manufacturers of wireless microphones offer a plug-on transmitter for existing wired microphones which plugs into the XLR output of the microphone and transmits to the receiver. This offers many of the benefits of an integrated system, and also allows microphone types to be used without a cable.
Increasingly more and more individuals these days are opting to make use of wireless microphone systems and there are a lot of reasons behind this one because it will give you the freedom to move around the stage when you are giving your presentation or speech. Wireless microphones are used in many different applications just like in parties, stage presentations, and more. And because of the technological innovations these days you can choose between a hand-held wireless-type microphone and one that is small enough for you to clip in your shirt or anywhere you like.
If you are among those many individuals who want to get and make use of a wireless microphone system, then take it slowly because there are a lot of things that you need to take into consideration before deciding which wireless lavalier microphone for camera you are going to purchase. There are two main things which are very crucial first is the range of the system and the next one is the life span of the batteries. These two features are very important because nobody wants to use a wireless microphone that only has 5 feet range, of course, we all want that freedom and flexibility to move around and the reason why it needs to have a long battery life is that it will function best when the batteries are fully charged or brand new.
Another thing that you need to carefully take a look at is that the microphone should at least have a battery life indicator because you do not want your microphone to stop working during the middle of your presentation or speech. You can find many different kinds of wireless-type microphones and each of them offers unique features at the same time they come in different price ranges, so make sure that you get a top-quality best wireless microphone for camera that matches your need and spending budget as well. Because it will be useless if you just get any kind of or a cheap microphone and then the features aren’t that great. So you should be careful with your decision, and always remember to compare the features and prices of different models of these wireless microphones.
If you are only going to use the microphone for a speech that doesn’t need high quality and very clear sound then you can just get a cheap microphone. However, if you are going to use it for a concert or an important event, it is very vital to get a high-quality one.