AT3 Audio

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AT3, AT9, OMA

• Format Type : Audio
  
• Endian Order : Little Endian
  
• Signature : RIFF / EA3
  

Format Specifications

//header
4 bytes (char) - signature // "RIFF"

//TODO

Notes and Comments

• Sony ATRAC3 / ATRAC3+ / ATRAC9 audio files used in some PS2, PS3 and PSP games.
• Audio is stored inside WAV container (with *.AT3 extension) or OMA Container (with *.OMA extension).

Games

List of games using this file format:

• Aliens vs. Predator: Requiem (PSP) (*.AT3)
• Tekken Hybrid (PS3) (*.AT3)
• Worms: Open Warfare 2 (PSP) (*.AT3)

quickBMS Script

Not written yet.

Compatible Programs

• ATRACTool (supports encoding end decoding for ATRAC3/ATRAC3plus/ATRAC9)
• BMK AT3 & AT9 Converter (+ source code)
• foobar2000 + vgmstream plugin

See Also

• ATRAC3 (wiki.multimedia.cx)
• ATRAC3+ (wiki.multimedia.cx)

Gallery

• 

  ATRACTool

• 

  BMK AT3 AT9 Converter