REW

Room EQ Wizard (.mdat)

The most common free measurement tool for home audio. Export via File → Export → Measurement as MDAT, or export the trace as text.

ARTA

ARTA Project File (.pir)

A widely used acoustic measurement suite. Export your impulse response or frequency response as a .pir file from the Save menu.

Smaart

Smaart Session Export

Professional live-sound measurement software. Export a transfer function or RTA trace from the session's measurement panel.

OMNI

OmniMic V2 (.omc)

Dayton Audio's OmniMic measurement system. Export the current trace using OmniMic's built-in export function.

FRD

.FRD / .ZMA Text Files

Plain-text frequency response (.frd) or impedance (.zma) files exported by most speaker-design and measurement software.

WAV

WAV Impulse Response

A raw impulse response capture. We extract the frequency and timing data directly from the waveform.

CSV

Generic CSV / TXT

Any two-column frequency/level export. Most measurement tools can export to this format if their native format isn't listed here.

DSP

Car DSP Screenshot

A photo or screen capture of your car DSP's on-screen RTA or EQ graph. We digitize the curve directly from the image.

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