AUD · Audio tools

Sample Slicer

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Settings are written to the URL as you change them. Nothing differs from the defaults yet.

Oxyd To cut, arrange and export the whole episode with chapters and a loudness target: Edit the episode in Oxyd

Cut a loop into its hits. The slicer measures how sharply the spectrum changes from one frame to the next, picks the peaks as onsets, and cuts the file from each onset to the next. Drums, plucked instruments and spoken syllables slice cleanly; sustained material needs the sensitivity raised, and the result is still an estimate.

Sensitivity and shortest slice

Sensitivity sets how far above its surroundings a peak has to stand to count. Low keeps only the strongest hits, high picks up ghost notes, hat ticks and the start of held notes. Shortest slice merges onsets that fall closer together than its value, so a flam reads as one hit, and drops any slice shorter than it.

Lead-in and the slice count

Lead-in starts each slice a few milliseconds before its onset so the attack is not clipped. Most slices caps how many are written: a ZIP of a hundred one-shots is fine, a thousand is not. The selected range confines slicing to part of the file.

Auditioning

Every slice is a chip under the waveform. Click one and playback is confined to it from its start, which is the quickest way to check a cut point before exporting. The slices are also drawn as numbered bands on the waveform.

Export

Slices are written in the source’s format with no fade, one file per slice, numbered. The onset list goes into the ZIP as CSV or JSON with start and end in seconds and the start sample, and can be downloaded on its own for a sampler or a script.

Frequently Asked Questions

It finds the onsets in a file, the moments where a new sound starts, and cuts a slice from each onset to the next. The slices download as a ZIP of files in the source's format, with a list of their start times in seconds and samples.

A frame where the spectrum rises sharply against the frames around it, measured as half-wave rectified spectral flux on log-compressed magnitudes. A drum hit is a clear peak; a bowed note is a slow rise that sensitivity has to be raised to catch.

Lead-in moves each cut a few milliseconds ahead of its onset so the transient's first samples are inside the slice rather than at the tail of the previous one. 5 ms is enough for most drums.

Click its chip under the waveform. Playback is confined to that slice and starts from its top; Whole file releases it.

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