Understand the sound. Make a better recording.
Practical audio articles with worked examples, primary sources and free tools you can use on your own file.
How to Record Clear Voice Audio at Home
Record clearer speech with a repeatable mic, room and gain check. Compare positions, identify unwanted sound and keep a clean original before repair.
Podcast Audio Quality: Recording to Final Export
A practical podcast audio workflow: record cleanly, edit, repair noise and echo, check loudness, and choose an export. Free tools at each step.
Background Noise vs Echo vs Hum: Hear the Difference
Compare the same voice with added hiss, room echo and electrical hum. Identify the sound, choose a repair and check what processing cannot recover.
Compression vs Normalization for Spoken Audio
Learn why raising a whole file does not balance its sentences. Work through a compressor example, check peak headroom and choose the right level tool.
Podcast Audio Checklist: Record, Edit and Export
A free printable podcast checklist for recording tests, natural edits, repair and final export. Download the one-page PDF without an account or email.
Remove Podcast Pauses Without Cutting Quiet Speech
Choose silence thresholds, review proposed cuts, and preserve natural podcast pacing. Learn how linked channels and retained gaps protect the edit.
How to Edit Interview Audio in a Free Online Editor
Cut a false start, shorten a pause, repair hiss on one selection and export. A real walkthrough with editor screenshots, a cut list and before/after audio.
Repair One Noisy Section Instead of the Whole Recording
Hiss, hum, wind or a quiet passage in part of a take? Repair only that section. See how selection repair works, its limits and how to check the join.
Online Audio Editor vs DAW: Which One Do You Need?
When a browser editor is enough for a podcast or voice recording, when Audacity, REAPER or Logic is the right tool, and how to move audio between them.
Noise Gate vs Noise Reduction: Hear the Difference
A gate quiets the pauses and leaves the fan under every word; noise reduction works under the words, at a cost. Hear one reading both ways, set a gate safely.
Harsh S Sounds: De-esser or EQ? Hear Both
A fixed EQ cut dulls every consonant to tame the S; a de-esser cuts only while the S is loud. Two voices through both, with measured levels and settings.
Room Echo vs Call Feedback: Which One Do You Have?
A room tail and a call loop both sound like echo and need different fixes. Hear both built from one reading, see the decay and the repeat, pick the right fix.
Why Normalizing Does Not Balance Host and Guest
One gain change moves both voices together, so a quiet guest stays quiet. Hear the gap, measure it, and close it with per-track gain or a gentle leveler.
Clipping vs Limiting: Hear and See the Difference
Clipping cuts peaks off and crackles; a limiter turns them down first. Listen to both on one voice, see the waveforms and learn what declipping can restore.
LUFS vs dBFS vs dBTP: What Your Audio Meter Means
Understand loudness, sample peaks and true peaks with a reproducible tone example. Learn why a file can peak near zero and still sound quiet.
WAV vs MP3: Which Format Should You Edit and Share?
Choose an editing master and a smaller delivery copy. See file-size math, lossy re-encoding limits, and what MP3-to-WAV conversion actually does.
Mono vs Stereo for Podcasts: Channels and Loudness
Decide when a podcast needs stereo, spot one-sided recordings, and understand why duplicated mono measures about 3 LU louder as two channels.
Why Noise Reduction Makes a Voice Muffled or Robotic
Hear what to check when denoising removes parts of a voice. Compare matched levels, use less processing, and separate hiss, hum, wind and room echo.
Need a working tool first? Measure, trim, convert or repair your recording.