Radio Microphone Systems: All You Need to Know
Not always conventional microphones with wire are suitable: in some cases, the performer needs to actively move – and the cable only interfere. In this case, radio-microphone systems are necessary.
What is Radio Microphone System
It’s about a lot of things. Some concerts are held in such a way and in such rooms that a wireless microphone is ideal. Let us consider in the article wireless radio systems, the task of which is to provide high-quality and surround sound while creating comfortable conditions for the speaker.
Currently, the choice is very large, and technology is developing rapidly; it is quite difficult for a professional to choose the right equipment quickly. For this reason, it is necessary to clearly understand how to distinguish the above technique. Read more about microphones on micspeech.
Types of wireless audio devices
First of all, as in all modern technology, there is a division into analog and digital systems. The point is in the type of signal and its subsequent processing: whether the decoding is used or the direct signal goes directly through the cable.
The first and second principles of information transfer have their pros and cons; the digital signal is easier to process, but the analog transmits sound in undistorted form. Of course, modern trends tend to the computerization of all systems, including acoustic, so to meet analog equipment in this area is increasingly difficult.
Although some gourmets and fans of retro technology insist that the old principle of signal transmission is better and cleaner.
In wireless microphone radio systems, the number of transmitters with which the base can operate (i.e., the main control unit) is important. If there are more than one, then it is more convenient, but the price increases significantly.
The number of antennas, in fact, does not matter much; so do not particularly focus on this (sometimes the two antennas at the brand base work much better and more stable than four at the transmitter of the low price group).
The most important difference between remote systems for the transmission of sound and voice is in the method of attachment and in the use case. So, there are four large groups: lapel, head, vocal, instrumental. Consider them separately.
Vocal Radio Systems
Designed for vocalists, lecturers, presenters, etc. Created primarily to ensure the greatest freedom of the speaker, because there is no wire, and you can easily move around the hall or the street space.
The range is usually within 100 meters and above, which most often fully meets the requirements of the artist. The composition of the system is very simple: a base that supports a certain number of microphones, and, in fact, the microphones themselves.
Of course, you should choose the products of one brand in order for the base to best communicate with the signal transmitter. If necessary, you can connect a mixer or amplifier. All devices are adapted and have common sound equipment standards. The microphone can be fixed on the head or clothing if you cannot hold it in your hands.
When choosing, consider the following factors. Firstly, the longer the distance at which the artist will work, the more powerful the transmitter must be.
You also need to understand that each base works with a certain number of microphones. Therefore, you need to calculate this point in advance, otherwise, you will have to buy additional devices to connect additional sound pickups.
You can see lapel radio microphones on each television program. It is very convenient: a small “buttonhole” is fixed on the speaker’s collar, as a result, the high-quality voice acting is provided. It is necessary to remember that an additional belt transmitter is needed, that is, a microphone will not transmit a signal without it.
Each of the participants of the program or show must be equipped with such a device. Such microphones are not used for singing or vocals, because they have a condenser type and wide coverage of the recorded sound. Extra noise will be captured on the stage and the vocals will not sound clear.
The most important and most important requirement is speech intelligibility. It is difficult to demand more from such microphones, so the main advantages are mobility, simplicity, ease of mounting, stealth.
Instrumental radio systems
There are cases when guitarists need to actively move around the stage, stage, indoors. Then use special instrumental radio systems. They were created specifically to save the musician from the notorious cable.
Of course, many guitarists are adherents of the good old analog sound, like tube amplifiers and all the very “real”. But there are exceptions – you need to keep up with the times, and time offers a very convenient solution: a transmitter is attached to the belt that attaches to the output jack. That’s all – you can play.
Of course, such data transmission will be digital and may be distorted by the receiving device. That is, the base, but the technology is developing very rapidly and the degree of distortion is reduced every year.
Now such systems are actively used and sold in all music stores. In some cases, the attachment is used in the form of clips – it is very convenient; it is especially important that it is very easy to remove and put on the device.
Head microphone radio systems
Head microphone radio systems – are good that not only give freedom of movement to the artist, but also free your hands. This begs the question: why not use a lapel microphone, it is small, invisible and so good? The answer is very simple: it cannot provide full and surround sound transmission.
For example, if an artist sings and you want to convey every shade of voice. That is, the catcher should be located as close as possible to the mouth so that you can convey all the juiciness of timbres and overtones.
Such radio microphones look as follows: a Hoop made of metal wire or plastic, on which the microphone is fixed. The Hoop is often equipped with special shower heads, which are put on the ears for a more secure attachment.
The design is very light and does not feel on the head. In the same way, as for a clip-on option, you need a transmitter that is usually attached at the waist. For example, hung on the belt. This is a very good, high-quality and reliable option, but the cost of quality systems of this rank is on top.