Tag Archives: region free dvd

About DVD discs region code

Mar 10th, 2010by dvdxplayer 1,662 views |Comments Off

There are 6 DVD discs Region Codes, detailed as below:

Region Code 1: USA, Canada, East Pacific Islands

Region Code 2: Japan, Western Europe, Northern Europe, Egypt, South Africa, Middle East

Region Code 3: Taiwan, Hong Kong, South Korea, Thailand, Indonesia, South-East Asia Read More »

DVD Region Codes

Feb 13th, 2010by dvdxplayer 2,101 views |Comments Off

The DVD world is divided into six major geographical regions, with two additional regions reserved for specialized use.

To keep it simple, this means that DVD player softwares and DVDs are labeled for operation on within a specific geographical region in the world. For example, the U.S. is in region 1. This means that all DVD players sold in the U.S. are made to region 1 specifications. As a result, region 1 players can only play region 1 discs. That’s right, the DVDs themselves are encoded for a specific region. On the back of each DVD package, you will a find a region number (1 thru 6). Read More »

Digital Copy Protection System (DCPS)

Jan 05th, 2010by dvdxplayer 2,182 views |Comments Off

In order to provide digital connections between components without allowing perfect digital copies, five digital copy protection systems were proposed to the CEA. The frontrunner is DTCP (digital transmission content protection), which focuses on IEEE 1394/FireWire but can be applied to other protocols. The draft proposal (called 5C, for the five companies that developed it) was made by Intel, Read More »

Content Protection for Recordable Media (CPRM)

Jan 05th, 2010by dvdxplayer 5,280 views |1 Comments

CPRM is a mechanism that ties a recording to the media on which it is recorded. It is supported by some DVD recorders, but not by many DVD player softwares. Each blank recordable DVD has a unique 64-bit media ID etched in the BCA. When protected content is recorded onto the disc Read More »

Content Protection for Prerecorded Media (CPPM)

Jan 05th, 2010by dvdxplayer 2,391 views |Comments Off

CPPM is used only for DVD-Audio. It was developed as an improvement on CSS. Keys are stored in the lead-in area, but unlike CSS no title keys are placed in the sector headers. Each volume has a 56-bit album identifier, similar to a CSS disc key, stored in the control area. Read More »

Copy protection issue: CGMS

Jan 05th, 2010by dvdxplayer 2,367 views |Comments Off

Each disc contains information specifying if the contents can be copied. This is a serial copy generation management system (SCMS) designed to prevent initial copies or generational copies (copies of copies). The CGMS information is embedded in the outgoing video signal. Read More »

What is DeCSS?

Jan 02nd, 2010by dvdxplayer 3,589 views |Comments Off

CSS (Content Scrambling System) is an encryption and authentication scheme intended to prevent DVD movies from being digitally copied. DeCSS refers to the general process of defeating CSS, as well as to DeCSS source code and programs. Read More »

What are “regional codes,” “country codes,” or “zone locks”?

Nov 28th, 2009by dvdxplayer 4,155 views |Comments Off

Motion picture studios want to control the home release of movies in different countries because theater releases aren’t simultaneous (a movie may come out on video in the U.S. when it’s just hitting screens in Europe). Also, studios sell distribution rights to different foreign distributors and would like to guarantee an exclusive market. Therefore they required that the DVD standard include codes to prevent playback of certain discs in certain geographical regions. Read More »

What is Macrovision?

Nov 26th, 2009by dvdxplayer 32,334 views |Comments Off

There are many measures to protect DVD from overcopying. Macrovision is one of them. Now let’s get more details no Macrovision.

Analog CPS (Macrovision)
Videotape (analog) copying is prevented with a Macrovision 7.0 or similar circuit in every player. Macrovision may show up as stripes of color, distortion, rolling, black & white picture, and dark/light cycling. Read More »