Convert sd to gsrt

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

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

Let your AI agent convert SD to GSRT

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 SD files in my Downloads folder to GSRT”

Or run it yourself:

filestarcli -i file.sd -c "convert to gsrt"

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 SD to GSRT?

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

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .sd and .gsrt?

Name: NIST SPHERE Audio File; Grandstream ring-tone File
Extension: .sd; .gsrt
Format: Binary; Binary
Category: Audio; Audio
Developer: NIST; Grandstream
Description: Waveform audio file in the NIST SPHERE format saved with the .sd extension, as NIST speech tools and speech-corpus distributions often name them; contains a recording used in speech recognition research.; Grandstream ring-tone files. Whilst this file format can contain A-Law, μ-law, GSM, G.722, G.723, G.726, G.728, or iLBC encoded audio, SoX supports reading and writing only A-Law and μ-law.
MIME Type: audio/x-nist-sph; audio/x-gsrt
Sample: sample.sd

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