Download and install the latest version of Filestar.
Right click on one or more Vqf file(s) on your desktop and select Convert with Filestar.
Type convert to sph in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.vqf -c "convert to sph" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
Downloads
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Pictures
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.vqfContract.vqf
.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 VQF to SPH
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 VQF files in my Downloads folder to SPH”
Or run it yourself:
filestarcli -i file.vqf -c "convert to sph"
Runs in Filestar's cloud and needs a Filestar plan.
Can my AI agent convert VQF to SPH?
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.vqf -c "convert to sph".
A VQF file, standing for TwinVQ (Vector Quantized) Audio File, is a compressed audio format developed by NTT (Nippon Telegraph and Telephone Corporation) in the late 1990s. It was designed to offer higher compression rates compared to the more commonly used MP3 format, aiming to produce smaller file sizes while retaining a similar audio quality.
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.
