Omnissiah reads and writes a few kinds of file. You never have to look inside them, but here's what they hold.
Backup file (.json)
Saved by Back Up… — see Chapter 11 — Backup & restore.
Default name: dsp-control-backup_YYYY-MM-DD_HH-MM-SS.json
Contents:
- app version and the time it was created;
- each connected device: its serial number (used to match on restore), name, type, firmware version, and stored settings (levels, delay, polarity, crossover, EQ);
- the app's calibration results and target curve;
- loopback correction and its bypass state (if any).
Not included: measurement snapshots.
On restore, devices are matched by serial number; a device in the file that isn't connected is skipped. EQ/crossover filter coefficients are recomputed from the descriptive settings, so a restore is robust across firmware revisions.
Snapshot CSV (.csv)
Exported by Export CSV (one snapshot) or Export All (one CSV per snapshot into a folder), and imported with Load — see Chapter 8 — Measuring your system.
- A header comment carries the snapshot's name, colour, sample rate, latency and offsets, so a re-imported CSV keeps its identity.
- The body is the measured response data: one row per frequency point, with the level (dB), phase and coherence.
- Because it's plain CSV, you can also open it in a spreadsheet or another measurement tool.
Output settings file (.params)
Saved by Save and loaded by Load on an output's page (the device page has the same pair for a whole device) — see Chapter 6 — Outputs and channels.
- Holds that output's settings — gain, mute, polarity, delay, crossover and EQ — so you can move a setup between outputs or keep favourite configurations.
- Loading is checked first: a file with more EQ bands than the output has slots, or with out-of-range or corrupt values, is refused with an explanation and nothing is changed.
Results exports
Export results on the results page (see Chapter 10 — Results) offers three destinations:
- Omnissiah file — the full calibration results, filters and responses together. Re-open it in Omnissiah later, or send it to Tantrum Audio with Send Feedback; this is the file to attach when you email feedback.
- REW filter file — the correction EQ bands as Room EQ Wizard “Filter Settings” files (Generic), one per channel. In REW, import via Filter Tasks → Import.
- Corrected response CSVs — each channel's corrected frequency and phase response, one CSV per channel in the snapshot CSV format above, so they load back into the Measurements page to compare.
More export destinations are planned.
