Audio Swing Feel Generator

Audio Swing Feel Generator | Online Free Tool | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Media
Input types: file, number, select
Output type: file
Sample coverage: 4
API ready: Yes

Overview

Audio Swing Feel Generator applies adjustable long-short swing timing to transient-driven drum and rhythmic loops. Upload an audio file, choose an eighth- or sixteenth-note grid, set the swing and processing amount, and export a WAV, MP3, FLAC, M4A, or OGG Vorbis file.

When to use

Add shuffle or triplet-like movement to a straight drum loop.
Apply lighter or stronger swing to an eighth- or sixteenth-note rhythm.
Introduce repeatable timing variation with optional seeded humanization.

How it works

1Upload an audio loop and enter its tempo in BPM.
2The tool detects energy onsets and anchors the first transient.
3Alternate positions on the selected eighth- or sixteenth-note grid are shifted toward the chosen swing percentage.
4FFmpeg retimes marker-bounded audio segments and returns the selected output format.

Use cases

Give straight drum loops a classic 66.7% eighth-note shuffle.
Shape sixteenth-note percussion with controlled, partial swing.
Compare clean quantized timing with subtle, repeatable humanized variation.

Examples

1. Turn a straight loop into an eighth-note shuffle

Drum producer

Background

A producer has a straight rhythmic loop at 120 BPM and wants a triplet-like groove.

Problem

The loop sounds rigid and needs stronger offbeat movement without changing its pitch more than the retiming filters allow.

How to use

Upload the loop, set Tempo to 120 BPM, choose Eighth notes, and apply 66.667% swing at full amount.

Swing: 66.667%; Amount: 100%; Humanize: 0 ms; Detection sensitivity: Medium; Output: WAV

Outcome

Alternate eighth-note positions are delayed toward a triplet-like target, producing a swung WAV loop.

2. Add subtle, repeatable groove to percussion

Electronic music creator

Background

A percussion loop uses sixteenth-note subdivisions but needs gentle timing variation for a less rigid feel.

Problem

Full swing would be too pronounced, while small repeatable timing changes would better fit the arrangement.

How to use

Upload the loop, enter its BPM, select Sixteenth notes, choose a moderate swing value, reduce the Amount, and set Humanize to a small value.

FAQ

What kind of audio can I use?

Use an audio file containing a transient-driven drum or rhythmic loop.

What does the swing percentage control?

It controls how far alternate grid positions are delayed. At 50%, the timing stays straight; higher values create more swing.

What is the Amount setting?

Amount controls how strongly the selected swing timing is applied, from 0% to 100%.

Can I add humanization?

Yes. Set Humanize to a value from 0 to 25 ms for bounded random timing variation. A random seed can make the result repeatable.

Which output formats are available?

You can export the processed loop as MP3, WAV, FLAC, M4A, or OGG Vorbis.

Subdivision: Sixteenth notes; Swing: 58%; Amount: 40%; Humanize: 6 ms; Random seed: 1; Detection sensitivity: Medium; Output: FLAC

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Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Turn a straight loop into an eighth-note shuffle

2. Add subtle, repeatable groove to percussion

FAQ

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