The quality of noise in a microphone signal can ruin an otherwise perfect reasonable capture. Low noise levels separate the pro from the amateur mp3 recordings and should be strived for by everyone.
How To Help reduce Microphone Noise:
Choose A Condenser Or Active Mic With Cheap Self-Noise
Choose A Dynamic Mic With A Humbucking Coil
Place Mics Closer To The Sound Source
Use A Shock Mount
Use A Pop Sift
Record In Quiet Or Soundproof Environments
Use Balanced Mic Cables
Do Not Run Mic Cables Alongside Power Cables
How to use RF Filter
High-Pass Filter The Mic Signal
Use A Sleep pad When Approaching Max SPL
Plug The Mic Into A Microphone Input
Use Clean Preamps
Use An In-Line Preamp Before The Microphone stand Preamp
Use A Noise Suppression Plugin In Your DAW
Let’s look at each of these methods in greater detail.
1 . Choose A Condenser Or possibly Active Mic With Low Self-Noise
Condenser microphones (and various active microphones) have what is known as “self-noise. ”
Self-noise is identified as the noise introduced into the mic signal via active resources (like transistors, vacuum tubes, and printed circuit boards) and the noise emitted from these components that are captured via the mic capsule.
In fact , signal-to-noise ratio (SNR) ratings are given so that you can active microphones based on their self-noise ratings.
When choosing a condenser or active microphone, check out the self-noise rating. Any rating earlier roughly 20 dBA means the microphone will output an evident hiss of noise.
Sticking to mics with low self-noise certainly is the way to go if we’re looking to reduce microphone noise.
Audionoise 