Download and install the latest version of Filestar.
Right click on one or more Aiffc 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.aiffc -c "convert to spx" (how).
Documents - File Explorer─☐✕
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.aiffcContract.aiffc
.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 AIFFC to SPX
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
Then ask your agent:
“Convert the AIFFC files in my Downloads folder to SPX”
Or run it yourself:
filestarcli -i file.aiffc -c "convert to spx"
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 AIFFC to SPX?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.aiffc -c "convert to spx" on your computer, so your files stay on it.
It contains CD-quality audio file commonly used in gaming consoles and media players. AIFC can be compared to .WAV file that has been compressed to reduce file size. Therefore, it may incorporate ALAW, ULAW, or G722 compression.
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.