BOYA Wireless Microphone Buying Guide
Wireless Microphone has a variety of names: wireless microphone, wireless microphone, wireless handheld, wireless headset, wireless chest, Wireless Microphone system, generally will not cause any misunderstanding.
Wireless Microphone's history is not long, also a decade or two of history, but the development is extremely rapid. Eighties, we seldom see. Products nothing more than Newman, Siya and other international few microphone manufacturers; in the application, only to see a large concert abroad. Over time, brands such as Audio-Technica, Sennheiser, Sony and EV gradually entered the domestic high-end sound system.
With the development and application of electronic technology, the technology, market and application of Wireless Microphone have made great strides and the price has gradually become more and more popular. Various brands and various types of Wireless Microphone are emerging in an endless stream. Especially in recent years, made a sudden emergence of Wireless Microphone, in the low-end market accounted for half of the country. Enping, Guangdong, even appeared in the production of Wireless Microphone (microphone) distribution center.
BY-WM5 Wireless Microphone
BOYA BY-WM5 wireless microphone is for use with DSLR cameras, camcorders. The 2.4 GHz GFSK system result in strong anti-interference, good security and stability.
Wireless Microphone technology development
The Wireless Microphone has gone through about three stages from the very first simpler wireless FM transmitter and wireless FM receiver to the current proprietary PLL (Frequency-Locked Loop) technology.
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How to Use Wireless Mics | boya-mic.com
With the popularization and widespread use of wireless microphone, how can we better play their superior role in the operation should pay attention to the following issues:
First, how to buy wireless microphone transmitter battery
To ensure the normal use of the system does not appear signal distortion and frequency interference, you must use sufficient battery can be used, if the conditions are optional, choose alkaline 9V battery.
Second, how can we know as soon as possible whether the transmitter battery energy is sufficient
In a variety of make and model of Wireless microphone system, the vast majority of receivers do not have the transmitter battery power display. Although some wireless transmitters have a battery low voltage display, the user generally seldom notices this problem in use. In the normal use of wireless microphone, there is lack of battery caused by the audio signal distortion or frequency interference is what happened.
The BOYA BY-WM4 is a 2.4 GHz wireless system, specially designed for iPhone, Ipad and most of Android devices, tablet, but also can work with DSLR camera, Camcorder, PC etc.
In order to prevent this phenomenon, the operator can use the mixer PFL pre-listening function in the normal use of the wireless microphone, and monitor the signal of the wireless microphone with the earphone. If the sound clarity is slightly reduced or the noise slightly increases , You should immediately replace the battery, so as to avoid as possible due to the lack of battery power to the operator of the psychological pressure.
Third, how to replace the battery halfway in the show
During the performance of the battery replacement should be convenient, fast and easy. It is a good idea to turn on the "dumb" switch of the console channel and leave the wireless microphone in a mute state. For example, a mixer without this function can turn off the output of the wireless microphone receiver and turn it off If the receiver does not output the volume switch, turn off the mixer input gain or use the Line / MIC selector to switch between the transmitter and the receiver.
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How Do Wireless Microphones Work?
The receiving antenna of the wireless microphone is one of the largest areas of misunderstanding. Antenna selection, layout, and cabling errors can result in short distances in the performance coverage area and low signal strength, resulting in frequent dropped calls. Modern diversity receivers deliver far better performance than individual antenna types, but to optimize system performance and reliability, the antenna selection and placement must be correct.
Solution:
To ensure good system diversity, the antenna space is guaranteed for at least one and a half wavelengths (about 9 inches 700MHz). The receiving antenna should be angled "V" to provide better signal pick-up performance when the transmitter is moved or placed at a different angle.
BY-WM8 Dual Channel UHF Wireless Microphone System
The BOYA BY-WM8 Dual-Channel UHF wireless system is a portable, camera-mountable wireless system for capturing audio with dual subjects. It can be used in several environments for video, field recording, interview, broadcast TV, and ENG applications.
If the receiver is to be located far away from the performance area (such as in a device closet or a closed rack), install a half-wave antenna or a directional antenna remotely (preferably over the viewer) so that there is a clear Line of sight. Do not install ¼ shortwave antennas remotely because they use the receiver chassis as a ground antenna. The extra distance between the antennas does not significantly improve the diversity of the system, but may better cover a wider arena, church or conference room area. If the antenna is installed far from the stage, directional antennas can be used to improve signal reception by picking up more signals in that direction and reducing pick-up at other angles.
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How does a wireless microphone work
The performance of a wireless microphone is often affected by various factors such as frequency interference, user error handling, etc. This article will teach you how to avoid and prevent the most common wireless microphone problems.
When using wireless microphone, there is always interference between the system itself. Although each system has frequencies or intervals of several megahertz, Intermodulation Distortion (IMD) can still cause interference between microphones. If there is not enough space between the intermodulation signal and the device's operating frequency, it is difficult for the receiver to pick up the signal from the transmitter. Typical phenomena are crosstalk between systems, frequent signal loss or excessive noise and distortion.
The minimum separation between frequencies depends on the design of the system receiver, which may require an interval of 1 MHz from the nearest neighbor. The more expensive receivers usually have narrower adjustment "windows" that allow for a smaller intermodulation frequency separation between each system.
BY-WM6 UHF Wireless Microphone System
The BOYA BY-WM6 is a UHF Wireless Microphone System designed to work with DSLR camera, Camcorder, PC and more.
In order to avoid intermodulation distortion, choose the calculated frequency of mutual compatibility. This requires a wealth of transmitter and receiver design knowledge that is often calculated by wireless system builders. For example, when only eight wireless microphones are used together, thousands of calculations are performed to ensure compatibility between the microphones. As a result, most manufacturers have released their system-compatible frequency list. In addition, software can be used to help users identify compatibility frequency under certain conditions.
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