AI Noise Reduction — Clean Voice From Any Recording
Strip hum, hiss, fan noise, and room tone from any audio. AI-powered spectral denoise plus a manual noise gate, both running locally in your browser.
What it is and why it matters
Almost no recording is captured in a silent room. Air conditioning hums, refrigerators kick on, traffic bleeds through windows, computer fans whir, and a microphone faithfully records all of it. Skrrol AI's noise reduction combines two complementary approaches to clean it up: an AI spectral denoise that learns the noise profile from a quiet section of the clip and subtracts it from the rest of the recording, and a traditional noise gate that closes the channel when the audio drops below a threshold. Together they remove the stuff you don't want without making the voice sound underwater.
The AI denoise is the headline feature. Sample two seconds of room tone — the part of the take where no one is talking — and the model fingerprints the noise and removes it from the entire clip while leaving voice intact. It works on hum, hiss, fan rumble, traffic, and the kind of low-level digital noise that creeps into mobile and webcam recordings. The denoise strength is adjustable so you can dial it back if it starts pulling air out of the voice. The noise gate handles the residual: when the speaker stops talking, the channel closes and ambient noise drops to silence between phrases. Both run on-device with no cloud upload, which matters for sensitive recordings and for editors who don't want their audio shipped to a third party.
How it works
- 1
Add the noisy clip to the timeline
Drop your dialog, voiceover, or field recording on an audio track. The denoise effect lives in the Audio Effects panel.
- 2
Sample a noise profile
Find a one to two second stretch where only the noise is present (no voice). Click Learn Noise — the AI fingerprints that profile.
- 3
Apply spectral denoise
Set the strength to a moderate value (around 9 dB) to start. The model subtracts the learned noise from the entire clip in real time.
- 4
Layer a noise gate
Add a noise gate set roughly 6 dB below your spoken-voice level to silence ambience between phrases.
- 5
Compare A and B
Toggle bypass to compare the cleaned audio with the original. Reduce strength if voice begins to sound underwater.
- 6
Pair with EQ if needed
After denoising, run the parametric EQ to recover any high-frequency air that was lost — most takes need a small lift around 8 to 10 kHz.
Benefits
AI-learned noise profile
Sample two seconds of ambient noise and the model removes that exact signature from the rest of the clip.
Adjustable strength
Dial denoise strength to taste — light cleanup for podcast voice, heavy cleanup for field-recorded interviews.
Gate plus denoise
Pair spectral denoise with a noise gate to hit both continuous noise and the residual between phrases.
Local AI inference
The denoise model runs on your device, so audio never uploads and processing is instant.
Who uses it
Field interview videographers
Clean up location interviews shot in busy cafes, offices, or outdoors so voice rides cleanly above the room.
Podcast video editors
Remove fan, AC, and computer hum from home-studio recordings to deliver broadcast-clean episodes.
Webcam and screen-recorder creators
Strip the low-level digital noise that webcam mics pick up, especially during long-form tutorial recordings.
Vlog editors
Pull voice forward in handheld and on-the-go recordings where wind, traffic, or crowd noise dominates.
Documentary editors
Match noise floors across interviews shot in different rooms so the cut doesn't feel like four different productions.
Frequently asked questions
Will denoise make my voice sound underwater?
Only if pushed too hard. Start at 9 dB strength, listen, and back off if you hear artifacts. Pair with a small high-frequency EQ lift to restore air.
Can I denoise music?
Spectral denoise can clean tape hiss and vinyl noise from music recordings, but go gently — heavy denoise will affect cymbals and reverb tails.
Does it remove echo or reverb?
Denoise targets steady-state noise. For room reverb, use a separate de-reverb plugin or capture the source closer to the mic.
Is the audio sent to a server?
No. The AI denoise model runs locally in your browser via the Web Audio API and on-device inference.
What if my clip has no clean noise sample?
Use a generic noise profile preset (HVAC, traffic, fan) as a starting point, or extract a profile from an unused tail or head of the recording.
Related editor features
Parametric EQ — Surgical Tone-Shaping In The Browser
Sculpt voice and music with a real parametric EQ. Multi-band cuts and boosts, visual frequency response, and presets for dialog clarity and rumble removal.
Multi-Track Audio Mixer With Auto Ducking
Balance dialog, music, and effects on a real mixer. Per-track levels, pan, solo, mute, and AI-powered ducking that drops music under voice automatically.
Audio Scrubbing — Hear Your Cut While You Scrub
Drag the playhead and hear the audio in real time. Frame-accurate audio scrub, J-K-L transport keys, and jog-wheel feel for finding sync points fast.
Multi-Track Timeline — The Way Pro Editors Cut
Unlimited layered video and audio tracks, ripple and roll edits, three-point editing, J/L cuts, and nested sequences. The pro NLE timeline, in your browser.
Try it in the Skrrol AI editor
Skrrol is a browser-native video studio. Open the editor in your browser, drop in your media, and use this feature alongside the rest of the timeline. Free, no install, your files stay on your device.