compression ratio TOYOTA LAND CRUISER 2009 J200 Owners Manual

330 3-3. Using the rear seat entertainment system
L/C200_U (OM60D97U)
■Discs that can be used
Discs with the marks shown below can be used.
Playback may not be possible depending on recording format or disc fea-
tures, or due to scratches, dirt or deterioration.
■ DVD video disc information
● DVD video discs
Digital Versatile Disc that holds video. DVD video discs have adopted
“MPEG2”, one of the world standards of digital compression technolo-
gies. The picture data is compressed by 1/40 on average and stored.
Variable rate encoding technology in which the volume of data assigned
to the picture is changed depending on the picture format has also been
adopted. Audio data is stored using PCM and Dolby digital, which
enables higher quality of sound. Furthermore, multi-angle and multi-lan-
guage features will also help you enjoy the more advanced technology of
DVD video.