: Unpack your chosen decoder (e.g., hca.exe or FastHCADecoder.exe ) into a dedicated folder. Convert Files :
: Many modern games encrypt their audio. You may need to provide a 16-digit hex key (using -a and -b arguments) for the decoder to output clear audio instead of static.
VGAudio GitHub Repository — Recommended for users who need a comprehensive toolset rather than a standalone executable. Download HCA decoder zip
The is a utility used to convert .HCA (High Compression Audio) files into standard .WAV format. HCA is a proprietary audio codec developed by CRI Middleware and is commonly found in Japanese video games (such as those by Atlus or Bandai Namco) stored within .ACB or .AWB archives. Download Options
: Often found in community guides for general extraction. : Unpack your chosen decoder (e
: A high-performance, multithreaded version that is significantly faster than original tools.
: The resulting .wav file will typically be created in the same directory as the original source file. Why HCA is Used VGAudio GitHub Repository — Recommended for users who
There are several popular versions of the decoder available as ZIP archives: