Upload Audio for Spatial Processing

Drop a stereo song, soundtrack, ambience, or recording here, or import from:

Shape the spatial sound field

Expand and position the stereo scene with adjustable width, depth, height, motion, and room response.

FrontLRBack
MotionKeep the scene fixed or move it around the listener.
Source Peak--
Position0° · 0°
Distance1.8 m
Expand and position the stereo scene with adjustable width, depth, height, motion, and room response.

What Is a Spatial Audio Converter?

A spatial audio converter reshapes a regular mono or stereo file so the result feels wider, deeper, closer, farther away, or moving around the listener. This browser tool preserves a two-channel stereo output while adding scene width, rotation, elevation, distance, motion, and room cues.

The exported file is designed for ordinary headphones and stereo playback. It is not an object-based Dolby Atmos master, an ADM BWF file, or a replacement for a multichannel Atmos production workflow.

Adjustable stereo width

Keep the center focused, narrow the stage, or expand the left and right channels into a broader image.

Depth and elevation

Move the scene nearer or farther away and introduce vertical positioning for a more dimensional perspective.

Scene rotation and motion

Set a fixed orientation or move the complete stereo field in an orbit or side-to-side path.

Controlled room response

Blend a spatial room layer with the original signal and keep the output peak under control before export.

Five export formats

Render the spatial stereo result locally and export WAV, MP3, M4A, FLAC, or OGG without uploading the source for processing.

How to Make Spatial Audio Online

Start with a preset, then fine-tune the scene for the source and destination.

  1. 1

    Upload stereo audio

    Choose a song, soundtrack, ambience recording, dialogue mix, podcast, or other mono or stereo audio file.

  2. 2

    Choose a spatial character

    Use Wide Stage, Cinema, Intimate, or Rotating Scene as a practical starting point.

  3. 3

    Shape the scene

    Adjust width, rotation, elevation, distance, spatial mix, room amount, and optional motion speed.

  4. 4

    Render and export

    Create the complete stereo result, compare it with the source, then download WAV, MP3, M4A, FLAC, or OGG.

Spatial Audio for Music, Film, and Atmosphere

Use scene-level controls when the relationship between the left and right channels should remain part of the result.

Music enhancement

Open a narrow mix, create a more intimate stage, or add slow movement for a stylized headphone version.

Film and video sound

Give backgrounds, transitions, and cinematic moments a larger perceived space.

Ambient recordings

Increase width and depth while retaining the stereo relationships captured in the original scene.

Creative sound design

Rotate or sweep a complete texture to create motion without editing channel automation by hand.

Keep the Spatial Mix Focused

A convincing result depends on width, depth, room, and motion working together rather than every control being set to maximum.

Protect the center

Extreme width can weaken centered vocals, dialogue, kick, and bass, so compare the processed result with the original.

Match room to distance

A distant scene can support more room response, while a close scene usually benefits from a drier setting.

Check on headphones and speakers

Headphones reveal positional movement clearly, while a speaker check helps confirm that the stereo image remains useful.

Spatial Audio vs. Binaural Audio vs. 8D Audio

These formats and effects can all create a more immersive impression, but they use different controls and serve different listening goals.

Listening detailSpatial audio converterBinaural audio renderer8D audio maker
Main goalReshape the complete stereo scenePlace a source at a perceived 3D positionMove audio through a repeating stereo orbit
Key controlsWidth, rotation, depth, elevation, motion, and roomDirection, elevation, distance, motion, and spatial mixIntensity, orbit time, room, and direction
Best sourceMono or stereo music, film audio, ambience, and sound designSpeech, ASMR, game cues, ambience, and point-source effectsSongs, ambience, transitions, and stylized edits
PlaybackStereo headphones or speakersHeadphones or earbudsHeadphones or earbuds
OutputTwo-channel spatialized audioTwo-channel HRTF-rendered audioTwo-channel audio with automated panning

None of these browser effects creates a Dolby Atmos master or object-based ADM BWF deliverable.

Spatial Audio FAQ

How do I convert audio to spatial audio online?

Upload mono or stereo audio, choose a preset such as Wide Stage, Cinema, Intimate, or Rotating Scene, then adjust width, rotation, elevation, distance, motion, spatial mix, and room response. Render locally, compare with the source, and export the finished stereo file.

Binaural Audio places a source at a perceived point around a headphone listener. Spatial Audio keeps the source's stereo scene and shapes its width, orientation, depth, elevation, motion, and room response.

No. The result is a two-channel spatialized audio file, not an object-based Dolby Atmos master or an ADM BWF delivery file.

Headphones make rotation, elevation, and motion easier to hear, but the stereo width and room changes can also work over speakers. Always check both when the result will be shared widely.

Yes. A mono source can be positioned spatially, although a stereo source provides more scene information for the width control.

Choose WAV, MP3, M4A, FLAC, or OGG. WAV and FLAC suit higher-fidelity workflows, while MP3, M4A, and OGG are useful when smaller files or broad playback compatibility matter.

Not in this workflow. The tool creates a two-channel stereo result with spatial cues. Traditional surround formats use multiple speaker channels, while object-based systems such as Dolby Atmos also store positional metadata.

Files selected from your device are decoded, processed, compared, and exported locally in the browser.