October 3, 2025

Healsha
Founder & Content Creator

Nothing ruins a great screen recording faster than background noise. That constant hum of your air conditioner, keyboard clicks, or the dog barking next door turns professional content into amateur hour.
The good news? You don't need a soundproof studio or expensive equipment to get clean audio. With the right techniques and tools, you can dramatically reduce or eliminate background noise.
I'll show you both prevention strategies and solutions for fixing noisy recordings you've already made.
Understanding Background Noise
Before fixing the problem, let's understand what we're dealing with.
Types of Background Noise
Constant noise includes things like air conditioning hum, computer fan noise, or traffic outside. These have a steady frequency and volume.
Intermittent noise includes dogs barking, doors closing, people talking in other rooms, or notification sounds. These happen unpredictably.
Handling noise is created by you: mouse clicks, keyboard typing, paper rustling, chair squeaks.
Each type requires different strategies to eliminate or reduce.
Why Background Noise Matters
Beyond just being annoying, background noise:
Appears unprofessional. It signals you don't care about quality or don't know better.
Distracts viewers. People focus on the noise instead of your content.
Causes fatigue. Listeners get tired trying to distinguish your voice from background sounds.
Reduces accessibility. Background noise makes auto-captions less accurate and makes it harder for hearing-impaired viewers.
Prevention: Stop Noise Before Recording
The best background noise solution is preventing it in the first place. No amount of post-processing beats a clean recording.
Choose Your Recording Environment Wisely
Find the quietest room available. This often isn't your normal workspace. Walk through your home or office and listen carefully. You'll be surprised what rooms are quieter.
Away from windows helps. Traffic, construction, neighbors all come through windows. Interior rooms or rooms facing quiet sides of buildings work better.
Soft surfaces absorb sound. Rooms with carpet, curtains, upholstered furniture, and wall hangings reduce echo and ambient noise. Hard surfaces (tile, hardwood, bare walls) reflect sound and create echo.
Smaller rooms can be better. Large empty rooms create more echo. A smaller space with soft furnishings often sounds better than a large echoey space.
I record in a converted closet that's actually quieter than my office because it has no windows and is full of clothing that absorbs sound.
Eliminate Noise Sources
Before starting your recording, actively remove noise:
Turn off air conditioning and heating. I know, this makes recording uncomfortable. But 10-15 minutes of being slightly warm beats hours trying to remove HVAC hum in editing.
Disable computer fans or quiet them. Close unnecessary programs to reduce CPU load. If your laptop runs hot, use a cooling pad or external keyboard so the computer can be further away.
Silence all notifications. Put your phone on airplane mode. Enable Do Not Disturb on your computer. Disable Slack, email, and any app that might make sounds.
Close doors and windows. This won't eliminate all outside noise but helps significantly.
Alert others nearby. Let housemates or coworkers know you're recording so they keep noise down.
Turn off appliances. Dishwasher, washing machine, refrigerator (if possible briefly), anything that hums or makes periodic sounds.
Optimize Your Recording Setup
Use a quality external microphone. Built-in laptop mics pick up everything. A good USB microphone has better directional focus on your voice.
Position your mic correctly. 6-8 inches from your mouth, slightly off to the side (not directly in your breathing path). Closer captures more voice relative to background.
Use a pop filter. This reduces plosives (p and b sounds) and helps position your mouth the right distance from the mic.
Record with headphones on. This prevents speaker sound from feeding back into your mic if you're recording both screen audio and narration.
Place the mic away from the keyboard. If you're typing during recording, position the mic so the keyboard is behind it or to the side. Most mics are less sensitive to sounds from behind or the sides.
Timing Matters
Record during quiet times. Early morning or late evening often have less traffic and neighborhood noise than midday.
Avoid high-traffic times. If your office has busy periods, record when it's calmer.
Check outside before starting. Make sure no construction, lawn maintenance, or loud activities are happening nearby.
Recording Techniques for Cleaner Audio
How you record matters as much as where you record.
Mic Technique
Maintain consistent distance. Don't move closer or further from the mic as you speak. This causes volume inconsistencies.
Speak toward the mic. Turning your head away to look at a different monitor changes your sound dramatically.
Control breathing. Breathe quietly through your nose when possible. If you need to breathe through your mouth, slightly turn away from the mic.
Stay still. Movement creates noise. Sit comfortably so you're not constantly shifting position.
Keyboard and Mouse
If your recording involves typing or clicking:
Use a quiet keyboard. Mechanical keyboards with clicky switches sound great to type on but are terrible for recording. Switch to a membrane keyboard or one with quiet switches for recording.
Type gently. You don't need to hammer keys. Light, deliberate presses are quieter.
Use keyboard shortcuts instead of mouse when possible. One quiet keystroke beats multiple loud mouse clicks.
Get a silent mouse. Several manufacturers make mice with silent click switches. The difference is dramatic.
Place keyboard and mouse on soft surface. A desk mat or mouse pad reduces the impact sound of clicks and keystrokes.
Recording Settings
Record at higher quality. More audio data gives you more room for noise reduction processing later.
Use appropriate input levels. Your voice should peak around -12dB to -6dB. Too quiet amplifies noise later, too loud causes distortion.
Record in mono if you're using one mic. Stereo doubles file size without benefit for single-microphone narration.
AI-Powered Noise Removal
The easiest solution for most people is letting AI handle noise removal automatically.
How AI Noise Removal Works
AI analyzes your audio, distinguishes between voice and noise, then removes the noise while preserving voice quality.
Unlike traditional noise reduction that requires you to identify a "noise profile," AI tools figure this out automatically. You don't need technical knowledge or manual tweaking.
VibrantSnap's Audio Enhancement
When you record or upload audio to VibrantSnap, the AI automatically:
Removes background noise including steady hums, traffic, air conditioning, and fan noise.
Eliminates filler words like "um," "uh," and excessive "like."
Cuts awkward pauses that make narration feel sluggish.
Normalizes volume so your entire recording has consistent levels.
This happens automatically with one click. You don't adjust settings or analyze waveforms. The AI handles it.
The advantage is massive time savings. What would take 30-60 minutes of manual editing happens in seconds.
Other AI Solutions
Adobe Podcast AI (formerly Adobe Enhance Speech) dramatically improves audio quality for free. Upload your audio, download the enhanced version.
Descript Studio Sound removes noise and room echo while normalizing audio. Part of their paid plans.
Krisp removes background noise in real-time during recording. Works as a virtual audio device.
Cleanvoice AI specializes in podcast editing but works great for any voice audio. Removes filler words and mouth sounds too.
All of these use AI to make noise removal accessible without requiring audio engineering knowledge.
Manual Noise Reduction Methods
Sometimes you need or want manual control. Here's how to do it yourself.
Using Audacity (Free)
Audacity is free, open-source audio software with solid noise reduction.
Step 1: Select a noise sample Find 1-2 seconds of audio that contains only noise (no talking). Select this region.
Step 2: Get noise profile Go to Effect > Noise Reduction. Click "Get Noise Profile." Audacity analyzes the selected noise.
Step 3: Apply noise reduction Select all your audio (Ctrl+A). Go to Effect > Noise Reduction again. Adjust settings:
- Noise reduction: Start around 12dB
- Sensitivity: Start around 6
- Frequency smoothing: Start around 3
Click OK and listen to the result.
Step 4: Fine-tune if needed Too much noise reduction makes voice sound robotic or muffled. If it sounds unnatural, undo and reduce the strength.
This process works but requires trial and error to get right.
Using Adobe Audition (Paid)
Adobe Audition offers more sophisticated noise reduction.
Spectral Frequency Display lets you visually see and paint out specific noises like a dog bark or door slam.
Adaptive Noise Reduction automatically adjusts throughout your recording instead of applying one profile globally.
DeNoise effect is more advanced than Audacity's reducer with better algorithms.
Audition costs $22.99/month, which is worth it if you do lots of audio work. For occasional use, it's probably overkill.
iZotope RX (Professional)
iZotope RX is the professional standard for audio repair. It's also expensive ($399 for the standard version).
The results are stunning. You can remove noise that seems impossible with other tools. But the learning curve is steep and the price high.
Only consider this if audio post-production is a regular part of your workflow.
Handling Specific Noise Problems
Different noise types need different approaches.
Removing Keyboard and Mouse Clicks
Best solution: Record narration separately. Record your screen silently, then record clean narration while watching the screen recording. Layer them together.
AI filler removal sometimes catches clicks. VibrantSnap and similar tools may remove keyboard/mouse sounds when removing filler words since they're both short, sharp sounds.
Manual editing works but is tedious. You can cut out individual clicks in audio editing software, but this takes forever for long recordings.
Prevention is key. Quiet peripherals and good mic placement prevent this better than fixing it later.
Eliminating Constant Hums
AI solutions excel here. Steady-state noise is what AI noise reduction handles best.
Manual noise reduction works too. The Audacity method described above was designed specifically for constant hums and hisses.
High-pass filter helps. If the hum is low-frequency (like AC hum), applying a high-pass filter at 80-100Hz removes it without affecting voice much.
Dealing with Sudden Loud Noises
Manual editing required. If a door slams or dog barks once, you need to cut that section or re-record that part. AI and noise reduction don't handle sudden transient noises well.
Crossfade trick: Cut out the bad section and add a brief crossfade where you cut. This makes the edit less noticeable.
Record room tone: Before or after your main recording, capture 30 seconds of "silence" in your room. This gives you clean ambient sound to fill short gaps when you cut noise.
Reducing Echo and Room Reverb
Prevention matters most. Record in smaller rooms with soft surfaces. Add blankets, pillows, or acoustic panels if you regularly record.
De-reverb tools: Software like iZotope RX or Adobe Audition have de-reverb effects. These work moderately well but aren't magic.
AI solutions help. Tools like Descript Studio Sound and Adobe Podcast AI reduce room echo along with noise.
Accept some room sound. Trying to remove all ambient quality from your voice makes it sound unnatural and disconnected. A little room tone is okay.
Testing and Quality Control
How do you know if your noise reduction worked well?
Listen in Different Ways
Use headphones. You hear details and remaining noise that speakers might miss.
Listen on phone or tablet. Most viewers watch on these devices. Make sure it sounds good there, not just on your studio monitors.
Listen at different volumes. Check both quiet and loud playback. Background noise is more noticeable at higher volumes.
Listen to a variety of sections. Don't just check one spot. Noise reduction can behave differently throughout your recording.
Watch for Over-Processing
Voice should sound natural. If it sounds robotic, muffled, or underwater, you've reduced too much.
Some ambient quality is normal. Don't try to achieve studio-perfect sound if it makes your voice sound weird.
Check consonants especially. Aggressive noise reduction often damages S, T, and other high-frequency consonants first.
Listen for artifacts. Digital noise reduction can create weird digital sounds or "chirping." If you hear these, dial back the processing.
Get Feedback
Ask others to listen. You've heard your recording dozens of times. Fresh ears catch issues you've tuned out.
Compare to similar content. How does your audio quality match videos in your niche? You don't need to be better, just comparable.
Building Your Noise Reduction Workflow
Here's how to integrate noise reduction into your regular process.
For Quick Recordings
If you're making quick internal videos or casual content where perfect audio isn't critical:
Option 1: Use AI automatic processing Upload to VibrantSnap or similar. Let AI clean it up. Export. Done in minutes.
Option 2: Record with real-time noise suppression Tools like Krisp remove noise during recording. No post-processing needed.
For Important Content
When creating content for external audiences or clients:
Step 1: Record in best conditions possible Follow all prevention strategies. Start with the cleanest recording you can capture.
Step 2: Apply AI noise reduction Let AI do the heavy lifting on background noise removal.
Step 3: Manual touch-ups if needed If specific problems remain (one loud noise, slight remaining hum), manually address them.
Step 4: Quality check Listen in multiple contexts to ensure it sounds good everywhere.
For Professional Production
When audio quality is critical (courses, marketing, paid content):
Invest in better recording setup Quality mic, treated space, professional interface. This is foundation.
Record narration separately from screen capture Layer them together in editing. This gives you cleanest possible narration.
Use professional noise reduction Adobe Audition or iZotope RX for maximum control.
Consider hiring audio help For important projects, a professional audio engineer can achieve results that are hard to match without experience.
Quick Wins for Better Audio Today
You don't need to implement everything at once. Start here:
1. Get a USB microphone. Even a $40 mic dramatically improves audio over laptop built-ins. This single purchase makes more difference than any other upgrade.
2. Record in a different room. Walk around and find your quietest space. It might not be where you currently record.
3. Use AI noise reduction. Try VibrantSnap's automatic audio enhancement or Adobe Podcast AI. Let AI do the work instead of learning manual techniques.
4. Turn off noise sources. AC, fans, notifications. Eliminate what you can before recording.
5. Add soft items to your space. Throw a blanket over hard surfaces near you. Hang a curtain. Add a rug. Quick improvements without buying acoustic treatment.
These five actions take minimal time and investment but dramatically improve audio quality.
The Right Tool for the Job
Audio cleanup doesn't have to be complicated or time-consuming.
For most screen recordings, VibrantSnap's AI audio enhancement handles everything automatically. You record naturally, and it removes background noise, filler words, and awkward pauses without you touching settings.
For specialized needs or extreme noise situations, manual tools like Audacity give you control.
For professional production, investing in Adobe Audition or iZotope RX makes sense.
Start with the easiest solution (AI automatic processing) and only move to more complex tools if you have specific needs they don't meet.
Your Next Recording
Before your next screen recording:
Find your quietest room. Turn off noise sources. Use an external mic if you have one. Record naturally.
Then let AI clean up the audio automatically instead of spending an hour in Audacity hunting for the perfect noise reduction settings.
Good audio isn't about having a professional studio. It's about making smart choices about where and how you record, then using modern tools to handle the rest.
Your audience will notice the difference immediately. Clean audio is one of the fastest ways to level up your content quality with minimal effort.