HCA Audio: Difference between revisions
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* HCA files may be encrypted with '''XOR'''. | * HCA files may be encrypted with '''XOR'''. | ||
* HCA audio is often stored inside '''[[AWB Archive]]'''. | |||
=== Games === | === Games === | ||
Revision as of 22:18, 22 February 2022
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HCA
- Format Type : Audio
- Endian Order : Big Endian
- Signature : HCA (not encrypted) / C8 C3 C1 00 (encrypted)
Format Specifications
// HCA file format
// big endian
// header
4 bytes (char) - signature // "HCA\x00" - not encrypted
// C8 C3 C1 00 - encrypted
2 bytes (uint16) - version // 0x01 0x03 or 0x02 0x00
2 bytes (uint16) - header size
// format info
4 bytes (char) - format string // "fmt\x00"
1 byte (uint8) - channels
3 bytes (uint24) - sample rate
4 bytes (uint32) - frame count
2 bytes (uint16) - encoder delay
2 bytes (uint16) - encoder padding
// compression info (v2.0) or decoder info (v1.X), never both
4 bytes (char) - compression string // "comp"
//TODO
4 bytes (char) - decode string // "dec\x00"
//TODO
MultiEx BMS Script
Not written yet.
Notes and Comments
- HCA files may be encrypted with XOR.
- HCA audio is often stored inside AWB Archive.
Games
List of games using this file format:
- Boku wa Tomodachi ga Sukunai Portable (PSP) (*.HCA)
- Super Robot Wars T (*.BIN)
And also some games with AWB archives (AWB often contain encrypted HCA audio).
Compatible Programs
- CriTools
- foobar2000 + vgmstream plugin (supports encrypted files)
- FastHCADecoder
- Media Player Classic
- DereTore / HCA-Cipher-Converter / HCA-Decoder / HCA-Encoder
- HCA Decoder v1.16
- VGAudio (supports some encrypted files)
See Also