Pan and scan is a method of adjusting widescreen film images so that they can be shown within the proportions of a standard definition 4:3 aspect ratio television screen, often cropping off the sides of the original widescreen image to focus on the composition’s most important aspects.
As you know from going to the movie [...]
Category Archives: Glossary
Pan & Scan
June 28, 2010 – 8:15 pm
The difference between DVD+R and DVD+RW
June 24, 2010 – 2:09 am
What is the difference between DVD+R and DVD+RW? There are three key points:
DVD+R is a non-rewritable format and it is compatible with about 89% of all DVD Players and most DVD-ROMs.
DVD+RW is a rewritable format and is compatible with about 79% of all DVD Players and most DVD-ROMs.
What is 1080i and 1080p?
June 22, 2010 – 1:38 am
1080i and 1080p are the shorthand name for two category of video modes. The number 1080 stands for 1080 lines of vertical resolution, while the letter i stands for interlaced or non-progressive scan, the letter p stands for progressive scan or non-interlaced.
1080i is considered to be an HDTV video mode. The term usually assumes a [...]
What is VIDEO_TS and AUDIO_TS?
June 9, 2010 – 11:48 pm
VIDEO_TS
The UDF file name used for DVD-Video directory on a DVD disc volume. Files under this directory name contain pointers to the sectors on the disc which hold the program streams.
. BUP = Backup files of the IFO files.
. IFO = The IFO files includes information such as chapters, subtitle tracks and audio tracks.
. VOB [...]
NTSC, IRE, RGB
June 4, 2010 – 1:13 am
Here is some acronym words we often see:
NTSC – National Television Systems Committee. A group that established black-and-white television standards in the United States in 1941 and later added color in 1953. NTSC is used to refer to the systems and signals compatible with this specific color-modulation technique. Consists of quadrature-modulated color-difference signals added to [...]
MPEG format
June 2, 2010 – 10:40 pm
History. Approximately a decade old, yet newer than AVI, the MPEG format was an attempt to provide high quality video using smaller file sizes, as invented by the Moving Pictures Expert Group. The MPEG format has seen several variations over the years, having been one of the first streaming formats using SGI WebForce MediaBase (which [...]
Universal DVD Player
May 31, 2010 – 12:42 am
SACD and DVD-Audio are high-resolution audio formats that were intended to replace the standard music CD, but have not made a large market impact with consumers. A Universal DVD player refers to a DVD player that plays SACDs (Super Audio CD) and DVD-Audio Discs as well as standard DVDs. Universal DVD players have a set [...]
What is Dolby (AC-3)?
May 11, 2010 – 9:40 pm
Dolby AC-3 surround sound system provid five full-range channels and a subwoofer channel component, known as 5.1 channel. Five channels, including left anterior, central, right front, left rear, right rear. Bass channel bass mainly to provide some additional information, so that some scenes, such as explosion, impact, to be heard better. Six channels of information [...]
What is MKV and how to play it?
March 29, 2010 – 12:01 am
First, to clarify a misunderstanding, mkv is not a compressed format, DivX, XviD is the video compression format, mp3, ogg is audio compression format. The mkv is a “combination” and “package” format, in other words is a container format.
Universal multimedia container
MKV is a Matroska media files, Matroska is a new multimedia package format, which can [...]
What is AAC?
March 22, 2010 – 12:05 am
Audio formats like computer hardware and software, will be replaceed at last, like the position tape being taken by CD? The CD will also have to be replaced by DVD-Audio. As time goes by, MP3 more and more unsatisfactory, its compression ratio lower than Ogg, WMA, VQF and other formats, sound quality worse (especially under [...]
-
Pages
-
Categories
-
Archives
Blogroll