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AUDIO
FITS to SLN Converter — Free, Online, No Signup
Convert FITS files to SLN online with no signup required.
FITS at a glance
FITS
Convert to FITS when preserving scientific image data, observation metadata, or instrument-derived captures for astronomy and research workflows.
It is the right target when measurement context matters as much as the picture itself.
SLN at a glance
SLN
Convert to SLN when preparing prompts, voicemail assets, on-hold audio, or other sound files for Asterisk-style telephony systems that expect raw signed-linear input.
It is the right target when PBX compatibility and predictable call-audio handling matter more than metadata or ordinary media-player support.
Format comparison
| Feature | FITS | SLN |
|---|---|---|
| File type | Image | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | medium | medium |
| Compatibility | broad | broad |
| Editability | moderate | limited |
| Created year | 1981 | 1999 |
| Inventor | NASA / astronomical data community | Digium (Mark Spencer) |
| Status | active | active |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | delivery | delivery |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use FITS
- capture ingest
- editing
- web or print delivery
- Strong fit for scientific metadata-rich imaging.
When to use SLN
- capture ingest
- editing and mastering
- streaming or playback delivery
- Simple raw representation aligned with telephony workflows.
FAQs
Why convert FITS to SLN?
Convert to SLN when preparing prompts, voicemail assets, on-hold audio, or other sound files for Asterisk-style telephony systems that expect raw signed-linear input.
It is the right target when PBX compatibility and predictable call-audio handling matter more than metadata or ordinary media-player support.
What changes when converting FITS to SLN?
This conversion changes how the format behaves in downstream tools and delivery environments.
Editability profile changes from moderate in FITS to limited in SLN.
Moving to SLN adds streaming delivery.
What should I review after converting FITS to SLN?
Check the exported file for Not a general-purpose consumer exchange format.; Requires workflow context to interpret sample-rate-specific extensions correctly..