These problems are usually simple to rectify, but you need to know where to look to isolate the issue before trying to resolve it.Īlways carefully examine the microphone for any damage before taking further action. USB microphones can be delicate, and there are many issues that may cause unwanted buzz or hum in the audio signal. The gain levels or setting being too high is a very common problem that causes significant buzzing in USB microphones, especially while the microphone is in use. This is because increasing the gain does not simply increase volume, but it increases the strength of the signal, which makes it more sensitive and prone to distortion and buzzing. While increasing the gain does increase the mic volume output, it also increases the noise that is output by the microphone audio signal. Many believe that increasing the gain settings for a microphone signal will simply increase the volume of the microphone output. Every audio signal must be amplified in some way to be audible, and increasing the gain increases the amount of power used to drive the signal. Gain is the amount of drive or power that is used to amplify an audio signal. Gain is a very misunderstood aspect of microphone use, and there are few who use USB microphones that fully understand it and how important the proper use of gain is for clear audio quality.
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