Soundproof

The Soundproof Blog

Clean recordings, explained plainly.

Practical guides to removing background noise from voice memos, video, calls, interviews and podcasts — fan, AC, hum and hiss. Honest about what works and what doesn't, and everything runs on your Mac.

Latest guides

A person on a laptop video call at home
Guide · Roundup

The Best Krisp Alternatives That Work Offline on a Mac

No subscription, nothing in the cloud — the best local picks, free and paid, for both live calls and cleaning recordings.

Jul 3, 2026 · 7 min Read the guide →
A home podcast desk setup with a microphone, mixer and laptop
Guide · Comparison

Soundproof vs Hush: Local, One-Time Audio Cleanup Compared

Two close alternatives: Hush adds de-reverb; Soundproof adds video, batch and loudness at a lower price. How to choose.

Jul 3, 2026 · 6 min Read the guide →
A recording screen showing a live audio waveform
Guide · Comparison

Soundproof vs Audacity Noise Reduction: One Drop vs Manual

Audacity's noise reduction is free but manual; Soundproof is one drop. The workflow gap, side by side, and which fits you.

Jul 3, 2026 · 6 min Read the guide →
A microphone in front of a blurred audio editor screen
Guide · How-to

How to Remove Background Noise in Audacity (Step by Step)

The two-pass Noise Reduction method in plain English — sample a profile, tune the sliders, apply — plus a faster alternative.

Jul 3, 2026 · 6 min Read the guide →
A person wearing a headset at a desk during a call
Guide · Comparison

Soundproof vs Krisp: Cleaning Recordings vs Live-Call Noise

Krisp cancels noise on live calls; Soundproof cleans recordings you already have. Different jobs — here's which one you need.

Jul 3, 2026 · 6 min Read the guide →
People on laptops in a busy café
Guide · Explainer

What Noise Can (and Can't) Be Removed from a Recording

Steady hum comes out cleanly; background voices and echo are a coin flip. How to tell which you have — with the measured numbers.

Jul 3, 2026 · 7 min Read the guide →
Someone shouting through a megaphone
Guide · Loudness

What Is LUFS, and Why Your Podcast Needs Loudness Normalization

Why one episode blares and the next whispers — and how LUFS normalization fixes it. Target numbers and how it differs from peak level.

Jul 3, 2026 · 6 min Read the guide →
A person recording into a studio microphone
Guide · Comparison

The Best Adobe Podcast Enhance Alternatives That Work Offline

Adobe Podcast is cloud-only. The best alternatives that clean audio offline on a Mac, compared honestly — including free options.

Jul 3, 2026 · 7 min Read the guide →
Guide · Privacy

How to Remove Background Noise Without Uploading Your Audio Anywhere

Most AI cleanup tools upload your recording to a server. Here's how to do it entirely on your Mac — no upload, no account, works offline.

Jul 3, 2026 · 6 min Read the guide →
A MacBook showing a video call
Guide · How-to

How to Clean Up a Zoom, Interview, or Lecture Recording

Laptop fan, AC or room hum under your call or interview? Clean it up on your Mac — better to listen to, and better for transcription.

Jul 3, 2026 · 6 min Read the guide →
A desk video setup with a widescreen monitor
Guide · How-to

How to Remove Fan & AC Noise from a Video on a Mac

Clean the audio in a video and remux it back — same picture, quieter track, no re-editing. Steady fan and AC hum come out well.

Jul 3, 2026 · 6 min Read the guide →
Recording a voice memo into a phone near a microphone
Guide · How-to

How to Remove Background Noise from a Voice Memo on Mac

Fan, AC or street hum ruining a good take? Clean up a voice memo in a couple of clicks — plus the honest limits of noise removal.

Jul 3, 2026 · 7 min Read the guide →