overdrive2opus

Convert overdrive audiobooks into a single opus file with chapter and thumbnail information

For downloading overdrive audiobooks check out https://github.com/vcalv/overdrive.sh

Features

• Thumbnail embedding
• Lower bit-rate re-encoding (default is 15 Kbps, 20 Kbps gives excellent results)
• Chapter information retrieved from proprietary overdrive metadata
• Can ignore spurious sub-chapters that exist in many audiobooks
• Speedup of audio (with chapter adjustment)
• Audio (peak one-pass) normalization
• Neural Network filter to isolate voice from all sorts of background sound/noise (requires external download made on the fly and cached)

Dependencies

• python3
• ffmpeg executable, no python bindings needed
• opusenc executable
• python-appdirs
• python-rich