MASTER MUSIC STUDIO
Audio Repair Lab
ISOLATED BETA v0.6
Precision startup repair · On-device

Remove the click. Keep the music.

Zoom into the first milliseconds, trim the unwanted tap, soften the new start, compare both versions, and export a repaired WAV or MP3. Your original file stays untouched.

Files are processed on this device. No audio uploads, sign-in, or cloud storage.
01 · Import

Choose your recording

No audio loadedWAV · MP3 · M4A · FLAC (browser-dependent)
Waiting for an audio file. On iPhone, use the HTTPS beta site rather than opening index.html from Files.
02 · Inspect

Opening waveform

Import a song or try the demo to see its waveform.
03 · Repair

Precision scissors

Startup artifact presetMANUAL · SAFE
25 ms
0 ms60120 ms

Removes the selected number of milliseconds from the start of the exported song.

6 ms
Off4080 ms

Smooths the new beginning to reduce another click at the cut boundary. Set cut to 0 for fade-only repair.

Non-destructive: Changes apply only to the preview and exported copy. The source file is never modified.

Audition the result

Compare the original and repaired openings after adjusting the scissors. The bright white line tracks playback through the waveform.

Load a recording or the demo to enable audition.
Left / monoRightTrimmed areaFade-in

Drag the pink boundary to move the cut. Adjust the scissors directly beneath the graph and watch the pink cut boundary move; use the audition controls below to verify it by ear. A visible spike is not automatically a defect.