File formats
This page covers the main file types you are likely to encounter while using Meiji Sampler.Sample input formats
These are the documented sample formats for import, preview, assignment, chop, and trim:WAVAIFFAIFF-CMP3AACM4AFLACOGGALACCAF
Project format
Saved projects use the.meiji extension.
| Property | Value |
|---|---|
| Format | JSON-based project file |
| Extension | .meiji |
| Current format version | 1 |
| Stores | project metadata, session state, timing, mixer state, and related workflow data |
.meiji file instead of relying only on the last-open session state.
Bounce/export output
The bounce flow writes:WAVfiles for audio export at a configurable bit depth (16-bit, 24-bit, or 32-bit float)- optional
MP4visualizer videos when video generation is enabled
| Bit depth | Sample format | Bytes per sample per channel |
|---|---|---|
| 16-bit | Signed integer | 2 |
| 24-bit (default) | Signed integer | 3 |
| 32-bit float | IEEE 754 | 4 |
Recording output
Direct audio recording writesWAV files to the recordings directory.
Backup files
The persistence layer uses.bak sibling files for recovery when appropriate.
This applies to:
- session state
- settings
- auth state
- project files
Quick reference by artifact
| Artifact | Format |
|---|---|
| Imported sample | WAV, AIFF, AIFF-C, MP3, AAC, M4A, FLAC, OGG, ALAC, CAF |
| Saved project | .meiji |
| Recorded take | WAV |
| Audio bounce | WAV (16-bit, 24-bit, or 32-bit float) |
| Visualizer bounce | MP4 |
| Recovery backup | .bak |