From Amicitia Wiki
HCA Format
Purpose Sound file
Developer CRI Middleware
Games Persona Q

Catherine: Full Body

HCA is a sound format used in Persona Q and Catherine: Full Body. It is the successor to ADX. It can be found in AWB files.



VGAudio is a library designed for manipulation of audio formats found in video games. It's capable of both decoding and encoding HCA files, and can be downloaded here.

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