A unidirectional mic will pick up less background noise than an omnidirectional mic.
To reduce the background noise from a microphone you need to start with the microphone you are using. An omnidirectional microphone is designed to pick up sounds from every direction and is used more for group recordings. A unidirectional mic is designed to pick up sounds from one direction and is used more for individual vocals. A unidirectional mic will pick up less an omnidirectional mic.
Instructions
1. Eliminate all the noise you can from your recording area. A ceiling fan can create unwanted noise during a recording. Turn off everything that produces noise that you can in the recording area.
2. Talk directly into the mic and get as close to the microphone as possible. The less you have to turn up the gain on the microphone to achieve your recording level the better. The higher you have to turn up the gain the better chance of your mic picking up outside noises and the noises being amplified.
3. Use a wind sock, which is the furry covering that is put over a microphone. The wind sock is designed to cut down on wind noise from getting to your mic. If you use a mic and it is windy, the mic will pick up the noise of the wind. A wind sock will eliminate that air from reaching the mic and being recorded.
4. Use a noise canceling program on the computer or mixing board. The program will allow you to manually eliminate noise on the recording while at the same time the program will eliminate noises that you choose automatically.
5. Adjust the equalizer to eliminate the sounds you don't want. If you are recording a deep voice and you are picking up background noise with a high frequency, you can turn down the highs and turn up the lows so the mic is only recording the deep voice.
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