OpenSEP
Audio separation

Your sound.
Layer by layer.

A vocal for your next practice session. Dialogue for your next edit. Get closer to the part you came for.

Start free with files up to 5 minutes.
A LITTLE SPACE BETWEEN THE SOUNDS
Vocals
01
Instrumental
02
One recording.
Two new starting points.
Before. After. Your call.

Don't just read about it. Listen.

Switch between the original and separated layers.
Use headphones to hear the details.

Voice & organ
Live singing · Natural room ambience · 20 sec
Model output
00:00 / 00:20

Hear the singing, organ and room together.

Same moment. Same playback volume. Compare the actual model outputs.

About this recording

A 20-second excerpt, starting at 00:18, from Joseph Sardin’s Cathedral: Voice and Organ. Original stereo field recording; no added music.

Recording sources & changes: Joseph Sardin / BigSoundBank · CC0

OpenSEP vocals/instrumental engine: BS-RoFormer viperx ep317. MP3 playback copies; WAV downloads are untouched model outputs. This sample is not a general quality benchmark.

Recorded with the OpenSEP separation engines. Compare the vocals and dialogue modes above.

Choose your focus

The right starting point for your recording.

Vocals & instrumental

Start with a full mix. Download a vocal track and an instrumental track, each ready to listen to on its own.

Try this separation
LESS IN THE WAY.

More room
for your next idea.

ListenCompareDownload
From source to something useful

The details, taken care of.

A preview before you download.

Listen to each result in your browser and decide what belongs in your project.

Files you can work with.

Take your separated tracks into your existing editing workflow.

A queue you can understand.

See whether your recording is waiting, processing, or ready. Wait estimates are estimates, never promises.

A few useful answers

Before you begin.

More questions? Visit the help center

What can I separate?

Choose vocals and instrumental for music, or dialogue and background for spoken recordings. Each mode produces two WAV tracks.

Will every result sound perfect?

Separation can introduce artifacts, especially when sounds overlap. Listen to the result in context before using it in a finished project. A cleaner original usually gives you more to work with.

How long can my recording be?

Free accepts files up to 5 minutes and 128 MiB. Standard accepts up to 30 minutes and 768 MiB. Pro accepts up to 2 hours and 3 GiB. Each file must meet both limits.

How long are my results available?

Uploads are deleted after 1 day. Results stay available for 3 days. Download anything you want to keep before its displayed expiry.

A little clarity goes a long way

Make room for the sound you need.

A clearer next step starts with one recording.

Start creating