Convert sph to prn

Download and install the latest version of Filestar.
Right click on one or more Sph file(s) on your desktop and select Convert with Filestar.
Type convert to prn in the search box.
Press Convert.

Or let an AI agent do it: filestarcli -i file.sph -c "convert to prn" (how).

Let your AI agent convert SPH to PRN

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Convert the SPH files in my Downloads folder to PRN”

Or run it yourself:

filestarcli -i file.sph -c "convert to prn"

Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.

Can my AI agent convert SPH to PRN?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.sph -c "convert to prn" on your computer, so your files stay on it.

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .sph and .prn?

Name: NIST SPHERE Audio File; Print-to-File Job
Extension: .sph; .prn
Format: Binary; Binary
Category: Audio; Document
Developer: NIST
Description: Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems.; A PRN file is a Windows print-to-file job - the raw page stream a printer driver would have sent to the printer, saved to disk. One holding PostScript converts like a PostScript file; one wrapped in a PJL header is recognised as a PJL-Wrapped Print Job instead.
MIME Type: audio/x-nist-sph; application/octet-stream
Sample: sample.sph
Wikipedia: .sph on Wikipedia; .prn on Wikipedia

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