3D Audio Player by Ernesto Melendez

Add stems, move them in 3D, mix down to WAV. Screen-reader friendly.

This program is dedicated to my girls. Thank you for the music, the patience, and the love.

Transport

Add stems

Drop audio files here or press Enter

Supported formats: most browser-decodable audio: WAV, MP3, OGG, AAC. Use the file chooser or the drop zone.

Stems

    Selected stem parameters

    Keyboard

    Show keyboard shortcuts
    • Numbers select stems. Backspace toggles all stems mode.
    • Arrows move azimuth and elevation. Hold two arrows for diagonals. Hold Shift with arrows to add distance (fly).
    • Plus and minus change distance. V lowers gain. B raises gain.
    • EQ up Q W E R U I O P. EQ down A S D F H J K L.
    • Status Z reads time. X reads durations. C reads selected stem position.
    • Seek transport with comma and period.
    • Nudge selected stem start with Shift+comma and Shift+period (Alt versions also work).
    • Set in [ and ] . Clear in with backslash.
    • Solo N. Mute M.

    Export

    Dolby Atmos master files are not created in the browser. Use the session JSON and the stems in a DAW with a Dolby workflow.

    Status

    Transport. Play, Pause, Stop. Use comma and period to seek. On iPhone, use the Play or Pause button.

    Stems list. Use number keys to select stems. Backspace toggles adjusting all stems. Arrow keys move position. Plus or minus change distance. V and B change volume.

    Parameters. Sliders for azimuth, elevation, distance, and gain. Change with the keyboard or touch. EQ uses Q W E R U I O P to raise and A S D F H J K L to lower.

    Touch pad. With VoiceOver on, double-tap and hold, then drag to move. Lift your finger to announce the final position. Use the large Distance slider below for depth.

    Mobile controls. Large Play or Pause, Seek, Distance slider, and Nudge buttons. Designed for VoiceOver focus with big targets.