File Formats, a 220-page manual from Sony Computer Entertainment, part of the PlayStation Developer Reference Series. March 2000 version.
This manual is the latest release of the PlayStation® file format specifications as of Run-Time Library release 4.7. The purpose of this manual is to provide a detailed reference to all native PlayStation file formats. Other documents in the Developer Reference Series provide overview-level information regarding these formats
Chapter 1: Streaming Audio and Video Data Chapter 2: 3D Graphics Chapter 3: 2D Graphics Chapter 4: Sound Chapter 5: PDA and Memory Card