Download and install the latest version of Filestar.
Right click on one or more Sou file(s) on your desktop and select Convert with Filestar.
Type convert to caf in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.sou -c "convert to caf" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
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Documents
Pictures
Music
.souContract.sou
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
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Drop files here to get started
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Let your AI agent convert SOU to CAF
Claude Code, Codex, Cursor and other agents can do this with Filestar. This skill runs in Filestar's cloud and needs a paid Filestar plan.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the SOU files in my Downloads folder to CAF”
Or run it yourself:
filestarcli -i file.sou -c "convert to caf"
Runs in Filestar's cloud and needs a Filestar plan.
Can my AI agent convert SOU to CAF?
Yes, with a paid Filestar plan: this skill runs in Filestar's cloud. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.sou -c "convert to caf".
The .sou file extension is associated with SBStudio II, a music composition and editing program. A .sou file represents a SBStudio II Sound File, which contains audio data used by the software. These files are typically used to store instrument sounds or sound effects that can be integrated into music tracks created within the SBStudio II environment. The format is designed specifically for use with the SBStudio II software, making it a specialized audio file type for music production within this specific program.
Digital audio format based on Apple's Core Audio technology; stores audio data as well as text annotations, markers, channel layouts, and other information; similar to an .AIFF or .WAVE file, but does not have a 4GB size limit and can store any number of audio channels.
