Configure OBS Microphone Filters: Noise Suppression, Gate, Compressor, and Limiter
Source-checked · About 10 minutes
Answer
Add only the filters the microphone needs, tune them from clean input, order them deliberately, and record tests so noise reduction does not damage speech.
Before changing OBS microphone filters, improve placement and clean input first, then capture baseline levels for room noise, quiet speech, normal speech, and peaks. Write down the current value before changing it so you can restore only that setting if the intended result does not appear. Keep the relevant account, app, or system version available if official support is needed. Confirm the saved choice after closing and reopening the relevant settings panel.
2
Use the supported method
Add only the needed suppression, expander or gate, compressor, and limiter while remembering that order changes the result.
3
Improve the raw signal first
Move the mic closer, reduce room noise, set interface gain without clipping, and avoid fixing poor placement entirely in software.
Use Noise Suppression for steady noise and a Noise Gate or Expander for silence, tuning thresholds from actual room levels.
5
Control dynamics
Use a Compressor to reduce loud peaks and optionally sidechain, then place a Limiter near the end to prevent clipping.
6
Compare recordings
Test whispers, normal speech, laughter, keyboard noise, and silence with filters bypassed and enabled; remove any filter that harms clarity.
7
Check that the change worked
Bypass comparisons preserve consonants and natural pauses while reducing steady noise and controlling peaks without clipping.
8
Troubleshoot OBS microphone filters
If speech is cut off, suppression sounds watery, the compressor raises room noise, or the limiter works constantly, stop broad resets and return to the last known state. Capture the exact error, versions, account or device scope, and the failed step before using the official support channel.
Video walkthrough
ⓘ Sources and verification
Checked against official documentation on . Scope: Windows.
Follow the linked first-party guidance if labels differ after a platform or app update.
