iPod mode
AAC + Apple Lossless (ALAC) compatible at 16-bit 44.1kHz.
Open source music conversion
A small command-line tool for converting music to iPod-friendly AAC/ALAC, or to FLAC, MP3, Opus, and WAV.

What it does
Retains iPod compatible metadata.

AAC + Apple Lossless (ALAC) compatible at 16-bit 44.1kHz.
Convert to/from FLAC, MP3, Opus, AAC, or ALAC.
Use it
Settings are saved to ~/.podhnologic/config.json, so repeat jobs can reuse the same defaults.
curl -fsSL https://raw.githubusercontent.com/jmonster/podhnologic/main/install.sh | bash
podhnologic
podhnologic --input ~/Music --output ~/iPod --ipod
podhnologic --input ~/Music --output ~/Converted --codec flac