Convert htk to spx

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

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

Let your AI agent convert HTK to SPX

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

Or add it in one click:

Claude Code:

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

Then ask your agent:

“Convert the HTK files in my Downloads folder to SPX”

Or run it yourself:

filestarcli -i file.htk -c "convert to spx"

Runs in Filestar's cloud and needs a Filestar plan.

Can my AI agent convert HTK to SPX?

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.htk -c "convert to spx".

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .htk and .spx?

Name: Hidden Markov Model Toolkit File; Ogg Vorbis Speex File
Extension: .htk; .spx
Format: Binary; Binary
Category: Audio; Audio
Developer: Cambridge University's Speech Group.; Xiph.Org
Description: Single channel 16-bit PCM format used by HTK, a toolkit for building Hidden Markov Model speech processing tools.; Audio file compressed using Speex compression and saved in the Ogg Vorbis container format; designed as an audio compression format specifically for speech; compresses voice at 2 to 44 kbps and supports 8 kHz, 16 kHz, and 32 kHz compression in the same bitstream.
MIME Type: application/x-htk; audio/ogg
Sample: sample.htk
Wikipedia: .htk on Wikipedia; .spx on Wikipedia

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