VOX to SF — Format Comparison & Online Converter
Fast, instant VOX to SF (IRCAM) conversion. No signup required. Just drop your .vox file and get .sf in seconds.
Batch Settings
About VOX to SF (IRCAM) Conversion
VOX and SF are both audio formats, but they differ in important ways. VOX is a widely used file format. SF is a widely used file format.
When you convert VOX to SF, the goal is to convert between formats quickly. Converting VOX to SF maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your VOX file is decoded and re-encoded as SF. The conversion involves 4 steps: (1) your vox file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in sf format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a SF file. For the opposite direction, CocoConvert also supports SF to VOX conversion.
How to Convert VOX to SF (IRCAM)
- 1
Upload .vox file
Select your VOX file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .sf
Set SF as the output format. The converter uses optimal settings based on the VOX→SF conversion profile.
- 3
Convert
The server-side engine decodes your VOX file and re-encodes it as SF. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .sf file. Multiple output files can be downloaded together.
What Happens When You Convert VOX to SF (IRCAM)
Your VOX file is decoded and re-encoded as SF.
Your VOX file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in SF format
The converted file is ready for download
Format Comparison
VOX
.vox file
| Extension | .vox |
| MIME Type | audio/x-vox |
| Category | Audio |
SF (IRCAM)
.sf file
| Extension | .sf |
| MIME Type | audio/x-sf |
| Category | Audio |
Should You Convert VOX to SF (IRCAM)?
When to Convert
- ✓When you need a SF file
Frequently Asked Questions
What is the difference between VOX and SF?
VOX is a widely used file format. SF is a widely used file format.
Does VOX to SF conversion affect quality?
Converting VOX to SF maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, VOX or SF?
VOX is a common audio format. SF is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does VOX to SF conversion take?
Most conversions finish in seconds. Larger files or complex audio content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is VOX or SF better for long-term storage?
Both formats use lossy compression, so consider keeping your original source file for long-term storage.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.