File Formats

Updated Oct 30, 2026 2 min read

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Aura Mixer reads and writes a few file types. You'll rarely touch most of them directly — but here's what each is for.

Aura Mixer files

Extension What it is How it's used
.ngsa Session — your live mixer state Saved automatically; you never open it by hand (see below).
.ngss Scene — a snapshot of the whole mixer Export/import from the Scenes window to back up or share a full setup.
.ngsp Preset — one processor's settings Export from, and import into, Workshop ▸ My Library (EQ, Gate, Comp, Spatial, FX — including a channel's own Limiter/Delay inserts), or apply from each processor's PRESET ▾. Packs use the same format under the hood, also in the Workshop.

The session file

Your working state lives at:

%LOCALAPPDATA%\AuraMixer\session.ngsa

It's written automatically on every change — there's no "save" step. It's tied to your machine (it references your devices), so it's not meant for sharing; use scenes (.ngss) for that. Deleting the whole AuraMixer folder resets the app, exactly like a Factory Reset.

Your preset library is kept as .ngsp files under %LOCALAPPDATA%\AuraMixer\presets\, one folder per type. Recordings from Recorder buses go to Documents\Aura Mixer\Recordings unless you change the folder in Settings → Media.

Files Aura Mixer imports

Aura Mixer imports a few third-party formats:

Format What it is Where
HRIR .wav / .sofa A measured 3D-audio profile (an "ear print"); .sofa is the AES69 standard format Spatial → HRTF, Model = Custom HRIR → IMPORT. (The Immersive model also ships ready-made measured profiles — no import needed.)
Equalizer APO config .txt An Equalizer APO / AutoEQ filter config — its parametric Filter lines (bells, shelves, pass filters, notch) become a 12-band EQ preset; the config's Preamp becomes a suggested channel Gain in the description Workshop ▸ My Library ▸ Import ▾ ▸ Equalizer APO. (The same menu also imports headphone-measurement .txt files as a Headphone correction or a Target / house curve.)
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