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Convert a Track Into an 8D Headphone Mix

Set how fast the sound circles from ear to ear, how wide the swing is, and whether to add a touch of room reverb, all inside your browser. Best heard on headphones.

Runs through ffmpeg.wasm on your device. The file is never uploaded to make the mix.

Drop an audio file here

or click to pick a track from your device

MP3, WAV, M4A, AAC, OGG, FLAC · up to 200 MB

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What 8D audio actually is

Underneath the name, 8D audio is stereo auto-panning: an LFO, a slow, repeating wave, continuously shifts how much of the sound comes from the left channel versus the right, so the mix seems to travel around your head in a loop instead of sitting still between your ears. This tool builds that with FFmpeg's apulsator filter, which handles the panning cycle, and a aformat filter first, which turns a mono source into stereo so there are two channels to move between in the first place.

A touch of aecho reverb is layered on top when Add Room is on, giving the rotation a sense of space instead of a hard, dry swing from side to side. It is worth being honest about what this is not: it is not binaural HRTF rendering, the technique that models the physical shape of a real head and ears to place sound convincingly in 3D space. 8D is a simpler, panning-based effect that approximates the feeling of movement, and it depends entirely on headphones to work.

Setting the rotation speed and width

Rotation speed is set in seconds per circle, from 4 up to 30, with 8 seconds as a comfortable default. Faster rotations, toward 4 to 6 seconds, feel energetic and a little disorienting, which suits electronic or hype-style edits; slower rotations, toward 15 to 30 seconds, feel calmer and work better for ambient or relaxation tracks where you do not want the movement itself to be the focus.

Width controls how far the sound swings from center, from a subtle 20 percent to a full 100 percent hard pan. A lower width keeps the mix mostly centered with a gentle sway, useful if the rotation is starting to feel distracting; a high width gives the most dramatic, unmistakably 8D effect but can make quiet vocal sections feel like they briefly disappear into one ear.

Where it works, and where it does not

This effect needs headphones or earbuds to do anything meaningful; on external speakers, both ears receive a similar blend of the signal regardless of the panning, so the rotation mostly flattens out and you are left with something closer to a track with extra reverb. It works best on full mixes with separated elements, songs where instruments already sit at different points in the stereo field, since there is more for the panning to move around.

Mono recordings, like a single spoken track or a narrow acoustic guitar take, are converted to stereo automatically before the rotation is applied, but the effect on genuinely mono, center-heavy material tends to feel more mechanical than on a produced multi-track song. Export to WAV if you want to layer more processing afterward, or MP3 or M4A for direct listening on a phone.

8D audio blueprint

The ranges behind the sliders, and what the effect can and cannot do.

Rotation range4 to 30 seconds per circle
Default rotation8 seconds per circle
Width range20 to 100 percent
Best forHeadphone listening, ambient and relaxation tracks, energetic edits
What it is notNot binaural HRTF rendering, it is stereo auto-panning plus reverb
OutputMP3, WAV or M4A
LimitsUp to 200 MB per file; headphones needed to hear the effect

How to Make 8D Audio

Three steps, all inside your browser

1

Add your track

Drop in an MP3, WAV, M4A, AAC, OGG or FLAC up to 200 MB. Mono files are converted to stereo automatically before the rotation is applied.

Tips: A song with a wide, full mix tends to circle more convincingly than a single dry vocal.

2

Set the rotation

Choose how many seconds one full circle takes, from 4 to 30, set the width from 20 to 100 percent, and flip Add Room on for a touch of reverb.

Tips: 8 seconds per circle with a wide setting is the usual starting point; slower rotations feel calmer, faster ones more dizzying.

3

Preview and download

Put on headphones, listen to the rotation, then save the result as MP3, WAV or M4A.

Tips: Always check the preview on headphones; it will sound almost unchanged through speakers.

Frequently Asked Questions

Everything about the 8D audio effect

No. FFmpeg.wasm, a WebAssembly build of FFmpeg, does the stereo panning and reverb inside your browser tab, so the audio file never leaves your device.
MP3, WAV, M4A, AAC, OGG and FLAC up to 200 MB go in, and the converted mix saves out as MP3, WAV or M4A.
No, and it is worth being upfront about that. This effect is stereo auto-panning, moving the sound smoothly between your left and right channels on a slow cycle, plus a little reverb for depth. It is not binaural HRTF rendering, which models the shape of a real head and ears to place sound in 3D; 8D is a simpler, panning-based approximation of that feeling.
No. Rotation, width and reverb are the only things being adjusted, so the track keeps its original tempo and key throughout.
Yes. The effect relies on each ear hearing a different, changing balance of the mix, so on speakers, where both ears hear the same sound, the rotation mostly disappears and you are left with a track that just sounds a bit reverberant.
This page does not touch either one. For a speed change use the Audio Speed Changer, and for a pitch change use the Pitch Shifter.

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Need a brand-new ambient track instead of a rotated edit? AI music generator

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AI Singing Voice Model Training
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