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What should be taken into consideration to get a right lavalier microphone?

To get a suitable lavalier microphone is not easy, which takes a lot of time to do a lot of research about brands, specifications and so on. After learning about the basics of lavalier microphones in this article, you will find it easier to select the right one.
To get a suitable lavalier microphone is not easy, which takes a lot of time to do a lot of research about brands, specifications and so on. After learning about the basics of lavalier microphones in this article, you will find it easier to select the right one.
The parameters to pay attention to are the following:


1. Sensitivity
Generally speaking, The higher the sensitivity, the stronger the microphone level gain output power, and the clearer the sound quality.

2. Frequency Response
The frequency response refers to a description of the resonance range of the audio bandwidth. Human ears can receive frequencies between 20Hz-20KHz. A microphone with a stable, wide frequency response makes for better vocal recording, which can generally meet the demands of daily vocal recording.
lavalier microphone
 

3. Signal to Noise Ratio
The signal-to-noise ratio refers to the ratio of the signal output power to the noise power. The larger the signal-to-noise ratio coefficient, the less noise, and the clearer sound quality.
Since the signal-to-noise ratio of lavalier microphones is generally lower than other microphones, it will be better to use the lavalier microphone with a fur windshield when shooting outdoors to reduce the pickup of ambient sound.

4. Polar Pattern
Polar pattern decribes the sensitivity of microphones in different pickup directions. Generally, lavalier microphones mainly have two polar patterns: omnidirectional and cardioid.
The omnidirectional lavalier microphone sound pickup is wider and can pick up the sound source in the 360° range around the microphone. While the shortcomings are also obvious. For example, when in a noisy environment, the microphone will pick up the surrounding noise, which will affect the entire recording effect.
The cardioid lavalier microphone is best for the sound source directly in front of the microphone, and is not sensitive to the sound source on the sides and behind. It is suitable for fixed-angle audio recording.
lavalier microphone

①Budget
The price range of lavalier microphones is quite large. Those cheap lavalier microphones are just ten dollars while expensive ones take thousand dollars. Generally speaking, you get what you pay for. Unless you are using it for comercial environment, less than one hundred dollars can meet your daily use.


②Demand
Different needs have different choices. If using it in daily live broadcast, online teaching, etc. for the relatively fixed needs of such usage scenarios, wired lavalier microphones can be satisfied. If you get higher demand, such as Vlog recording, non-professional interviews, etc., then it is recommended to buy a mid-to-high-end wireless lavalier microphone. If the usage scenario is a more professional field, such as film and television production, news interviews, program recording, etc., which have high demand for sound quality and signal, the high-end lavalier microphone set will be the best.

③Configuration

In general, the UHF wireless lavalier microphone has more stable signal cross-frequency and anti-interference due to the wider U-segment signal frequency band, and longer transmission distance. The 2.4G international standard free frequency band is more susceptible to interference from other signals.
Nowadays, some high-end wireless lavalier microphones use self-frequency modulation technology, which can greatly reduce signal interference, which is also a good choice.


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