Download and install the latest version of Filestar.
Right click on one or more W64 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.w64 -c "convert to sph" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.w64Contract.w64
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert W64 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 W64 files in my Downloads folder to SPH”
Or run it yourself:
filestarcli -i file.w64 -c "convert to sph"
Runs in Filestar's cloud and needs a Filestar plan.
Can my AI agent convert W64 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.w64 -c "convert to sph".
Audio container file created in Sony's Wave64 format, which is supported by various Sony audio editing programs; useful for audio editing because it supports arbitrary sampling frequencies, channels, and bit depths.
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.
