1. Install ffmpeg-compat-57. For example, on Arch Linux, assuming AUR helper yay

yay -S ffmpeg-compat-57

2. Install the rest of the dependenies by running setup.sh

./setup.sh

1. Extract your audio files from the Genshin Impact datafiles.

GenshinImpact_Data/StreamingAssets/Audio/GeneratedSoundBanks/Windows

Move the .pck files you want to extract into a folder. The files must be directly inside the folder - no subdirectories.

2. Install dependencies

npm install

3. Run the program

node decode.js --input <your specified input>

The files in <your specified input> will be converted to .wav files inside ./output.

You can pass an optional argument to export the audio in different formats.

Valid arguments are flac, mp3, ogg and all

node decode.js --input flac --audio flac

Encoding details

FLAC:  Compression level 12, 44,1 kHz, 16-bit
OGG Vorbis: ~160 kbit/s VBR, 44,1 kHz
MP3:        ~175 kbit/s VBR, 44,1 kHz

• Clean up dependencies

• Cross-Platform

  • Windows
  • Linux
  • macOS

• Multi-export support (FLAC, MP3, etc)

• Automatically remove processed files once complete

• Multithreading

• More?