Name Lossy file formats for audio, still image and video format.

Audio:

AAC - .mp4 .m4a .3gp

ATRAC - .oma .aa3

MP3 - .mp3

MPEG-1 - .mp2

Musepack - .mpc .mpp

WMA - .wma

Still Image:

CPC - .cpc

DjVu - .djvu .djv

JPEG - .jpg .jpeg

Video:

DV - .dv .dif

MNG - .mng

MPEG-1 - .mpg .mpeg .mp2 .mp3 .mpa

MPEG-2 - .mpg .mpeg .mp2 .mp3 .m2v

Ogg Theora - .ogv