Tag Archives: DVD players

What are .IFO, .VOB, .AOB, and .VRO files? How can I play them?

Jan 02nd, 2010by dvdxplayer 5,510 views |Comments Off

The DVD-Video and DVD-Audio specifications define how audio and video data are stored in specialized files. The .IFO files contain menus and other information about the video and audio. The .BUP files are backup copies of the .IFO files. The .VOB files (for DVD-Video) and .AOB files (for DVD-Audio) are MPEG-2 program streams with additional packets containing navigation and search information. 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 »

Why is the audio level from my DVD player so low?

Jan 01st, 2010by dvdxplayer 2,890 views |Comments Off

Many people complain that the audio level from DVD players is too low. In truth the audio level is too high on everything else. Movie soundtracks are extremely dynamic, ranging from near silence to intense explosions. In order to support an increased dynamic range and hit peaks (near the 2V RMS limit) without distortion, the average sound volume must be lower. Read More »