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Convert sd to ima

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Sd file(s) on your desktop and select Convert with Filestar.

  3. Type convert to ima in the search box.

  4. Press Convert.

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

Let your AI agent convert SD to IMA

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 IMA”

Or run it yourself:

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

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 IMA?

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

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .sd and .ima?

Name
NIST SPHERE Audio File
Headerless File of IMA ADPCM Audio Data
Extension
.sd
.ima
Format
Binary
Binary
Category
Audio
Audio
Developer
NIST
IBM
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.
A headerless file of IMA ADPCM audio data. IMA ADPCM claims 16-bit precision packed into only 4 bits, but in fact sounds no better than .vox.
MIME Type
audio/x-nist-sph
audio/x-adpcm
Sample
sample.sd
sample.ima
Wikipedia
.ima on Wikipedia

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