In the room your brain ignores the air conditioning. A microphone does not. On a live stream, steady background noise — fans, hum, traffic, a buzzing amplifier — becomes tiring to listen to, and people leave without knowing why.
Where the noise comes from
- Open microphones that are not being used, each picking up the room.
- Ground loops and cheap cables, causing a steady hum.
- Fans, air-conditioning and projectors near a microphone.
- Gain set too high, raising the noise floor with the voice.
Fix it in order
- Mute or gate every microphone that is not speaking.
- Move mics closer to mouths, away from fans and speakers.
- Fix hum at the source with balanced cables or a ground-lift.
- Then use voice isolation for what is left.
Software that cleans it up
A noise gate closes each mic between sentences; voice isolation removes steady noise and keeps the voice. Skynat Live has both on every microphone channel, alongside compression and EQ.
Related guide: How to get great live stream sound for very little money
Skynat Live puts all of this in one application for Windows and Mac: $99 a year or $19 a month, everything included, nothing renews on its own. You can download it and try it before a real broadcast at skynat.live.
Questions people ask
What is a noise gate?
A gate mutes a microphone when its level falls below a threshold, so it only opens when someone is speaking.
Can software remove hum from a live stream?
Voice isolation and EQ can reduce it a lot, but fixing the cable or ground loop at the source is always better.