Audio preparation
How to Extract Audio from a Video on iPhone
Save audio from an iPhone video with Shortcuts, detach a soundtrack in iMovie, or make an MP3 or WAV from a supported short video in your browser.
The Saturalabs journal
Audio preparation
Prepare a useful working copy: choose a source format, inspect channels and file size, and keep excerpt timing before an edit or isolation test.
Explore the audio toolsAudio preparation
How to Extract Audio from Video in CapCut
Detach audio from video in CapCut on desktop, mobile or web. Learn how to export audio, avoid doubled playback, and separate a voice from a mixed soundtrack.
Audio preparation
How to Record Separate Audio Tracks in OBS: Mic and Game
Record separate audio tracks in OBS Studio for your microphone and game, desktop or chat audio. Set up routing, verify each track and troubleshoot the result.
Audio preparation
How to Identify and Fix Phase Cancellation in Audio
Find out why audio sounds thin or disappears in mono. Compare channels, polarity and microphone timing before changing a stereo recording or mix.
Audio preparation
Podcast Loudness: LUFS Targets, True Peak, and Final Export Checks
Check podcast loudness without confusing LUFS and peak level. Read Apple's guidance, compare mono and stereo measurements, and verify the final encoded file.
Audio preparation
44.1 kHz vs 48 kHz: Choose a Sample Rate Without Changing Speed
Choose 44.1 or 48 kHz for your audio delivery. Compare PCM file sizes and original reference WAVs, then resample without merely changing the header.
Music & vocals
How to Slow Down a Song Without Changing Pitch
Make a slower practice recording without lowering its notes. Calculate a BPM speed factor, keep the phrase's lead-in, and check the exported WAV or MP3.
Audio preparation
How to Read an Audio Waveform: Amplitude, Time & Channels
Read an audio waveform with original stereo examples. Understand time bins, shared amplitude scales, silent channels, and what an overview cannot prove.
Music & vocals
How to Change the Key of a Song Without Changing Tempo
Transpose a song or backing track in semitones, choose the right direction, compare artifacts, and export a useful WAV or MP3 without changing practice tempo.
From reading to making
Explore free audio tools Choose a free preparation tool
Trim, join, inspect, or adjust a supported short recording locally. These utilities require no account or credits.
Made for curious ears.