AWB Archive

Back to index | Edit this page

AWB, ACB, AFS2

• Format Type : Archive / Audio
  
• Endian Order : Little Endian
  
• Signature : AFS2 / @UTF
  

Format Specifications

// AWB file format

// header (16 bytes)
4 bytes (char) - signature // "AFS2"
1 byte (uint8) - version  // 1 or 2
1 byte (uint8) - offset entry size   // 2 or 4
2 bytes (uint16) - unknown  // always 2
4 bytes (uint32) - number of files
2 bytes (uint16) - alignment  // e.g. 32
2 bytes (uint16) - AWB sub decryption key  // e.g. B5 98

// ID array
num_of_files *
{
  2 bytes (uint16) - file ID
}

// offsets array
num_of_files *
{
  2-4 bytes (uint16 / uint32) - file offset
}
x bytes - padding

// data
num_of_files *
{
   x bytes - file data  // ADX or HCA audio
}

// ACB file format

//header
4 bytes (char) - signature // "@UTF"

// TODO

Notes and Comments

• It was developed by CRI Middleware and is the successor of AFS archive. It always contains ADX Audio, HCA Audio, VAG Audio, AT9 Audio, DSP Audio or CWAV Audio.
• AWB archives are sometimes paired with ACB files. AWB contains data, while ACB contain header info.

Games

List of games using this file format:

• Ano Hi Mita Hana no Namae o Bokutachi wa Mada Shiranai (PSP)
• Ares Chronicles (PC) (*.AWB / *.ACB)
• Catherine Full Body
• Danganronpa V3: Killing Harmony
• Dragon Ball Legends
• Dragon's Crown (*.AWB / *.ACB)
• Grand Knights History (PSP)
• JoJo's Bizarre Adventure: All Star Battle (PS3)
• JoJo's Bizarre Adventure: Eyes of Heaven (PS3)
• Laid-Back Camp: Have a nice day! (*.ACB)
• Love Live! School Idol Paradise (PS Vita)
• Mario & Sonic at the Olympic Games Tokyo 2020 (Nintendo Switch)
• Mario & Sonic at the Rio 2016 Olympic Games (WII U)
• Okami HD (PC) (*.AFS2)
• Persona 3 Portable (PSP)
• Persona 3: Dancing in Moonlight (PS Vita)
• Persona 4 / Persona 4 Golden
• Persona Q
• Persona 5 / Persona 5 Dancing in Starlight
• PES 2015
• Priconne! Grand Masters (Android) (*.AWB / *.ACB)
• Punishing : Gray Raven (*.AWB / *.ACB)
• Sonic Forces (*.AWB / *.ACB)
• Super Monkey Ball: Banana Blitz HD
• Tales of Link
• Tales of the Rays
• Tales of Symphonia
• The Idolmaster: Cinderella Girls Starlight Stage
• Tokyo Ghoul: Re-Birth / Tokyo Ghoul: Re-Invoke (*.AWB)
• Uma Musume Pretty Derby (*.AWB / *.ACB)

QuickBMS Script

• awb_afs2.bms

Compatible Programs

• AWB Tools / mirror1
• CRI Atom Craft
• CriTools
• DereTore / ACB Unzipper
• Eternity Audio Tool
• foobar2000 + vgmstream plugin
• PuyoTools
• SonicAudioTools (ACB Editor, ACB Injector etc.)
• VGMToolbox (Misc.Tools > Extraction Tools > Common Archives > CRI ACB/AWB Archive Extractor)