Sony PSP-1006 K Instruction Manual page 110

Formats that can be played
The following formats can be played on the PSP™ system:
Content category Format
Video
Music
Photo
Hint
Depending on the data type, some data items cannot be played.
110 Compatible media
MPEG-4
(MP4 video file that conforms
with the Memory Stick Video
Format)
ATRAC3plus™
(including ATRAC3™)
MP3
JPEG
(conforms with DCF2.0/
Exif2.21)
Characteristics
A video-compression format
An audio-compression technology
developed by Sony Corporation
An audio-compression format
A standard format for compressing
still images, such as those used in
digital still cameras