Divx (Dvd-P365 Only) - Samsung DVD-P360/CDM Service Manual

14-3 DivX (DVD-P365 Only)

• DivX
Most successful MPEG-4 video compression technology in history.
– standard for digital video ('MP3 of Video').
– Internet's 3rd most downloaded application,
– MPEG-4 video codec.
– Secure, MPEG-4, DVD-quality VOD products.
• Powerful technology
– DVD quality: ~784Kbps.
– NTSC/PAL: <500Kbps.
– 720P HD: <4Mbps.
– 1080p HD: <7Mbps.
– 32Kbps to Digital Cinema.
– 80+ hours of portable video.
• There are many different MPEG-4 profiles.
–'Simple Profile' (SP) is the most basic; other profiles are SP plus other tools.
• Advanced Simple Profile (ASP) is emerging as the standard for consumer and CE applications.
Basic Video
Compression
Toolset
Simple Profile MPEG-4
14-3-1 The Definition of DVD
• DivX 3.11 is a legacy technology that is not MPEG-4 compatible
–Requires different decoding algorithms – cannot be decoded by a generic MP 4 decoder.
–Constitutes about 45% of the DivX content on the Internet today.
• Open DivX is a MPEG-4 Simple Profile Implementation.
–Released to the Internet community in Jan/2001
• DivX 4.x is a highly optimized MPEG-4 Simple Profile Implementation.
–Released Aug/2001.
• DivX 5.0 – 5.02 is a MPEG-4 Advanced Simple Profile Implementation.
–Released Mar/2002.
Samsung Electronics
Basic Video
Compression
Toolset
BVOP
GMC
QPel
Advanced Simple Profile MPEG-4
Reference Information
14-9