Blu ray DVD player are essential for playing the blu ray disc. The blu ray discs are the supersede for the DVD which is essential for the storage of High Definition (HD) videos. These blu ray disc has very high storage capacity having a capacity of upto 50 GB per disc. Many companies are into this venture for the manufacture of blu ray DVD players as the commercial need for it is increasing day by day because many people are favoring for the HD movies. The companies favoring blu ray DVD players are Samsung, Panasonic, Onida etc.

The glossary items involved here are,

1080i:
1080 p is a feature which states that the DVD player is provided with a capacity to scan 1080 lines in a interlaced video (i.e.) 1080 lines per frame.

720p:
720 p is a feature which states that the DVD player is provided with a capacity to scan 720 lines in a progressive video (i.e.) 720 lines per frame.

ADC:
ADC is the Analog to Digital conversion which is needed for analog video and audio to be converted to digital format for playback.

Aspect Ratio:
Aspect Ratio refers to the ratio of width to the height of the display screen. Proper aspect ratio is necessary for the display of the video on screen.

Bonus View:
The Bonus View is the blu ray players with the profile 1.1. These players are provided with features such as Built  in memory, secondary audio and video decoder.

Bit rate:
Bit rate is similar to the data rate which represents the volume of data transferred measured in bits over time.

CIRC:
CIRC is the abbreviation for Cross interleaved Reed Solomon code which is a error-correction coding mechanism overlapping small frames of data.

Compression:
Compression refers for the storing of digital data in a smaller space than the one that it would normally take. Compression may break the normal clarity of the video but saves the space on disc.

Codecs:
The Codecs represents the compression schemes which can be a lossless or lossy compression scheme.

DRM:
DRM is the Digital Resource Management which is used to avoid the piracy and copying of the content.

HDTV:
HDTV is the High Definition Television. It is necessary for displaying sharper, wider pictures on screen.

HDMI:
HDMI is the High Definition Multimedia Interface which is a AV connector interface that is necessary for transmitting the digital streams that are uncompressed.

Interlacing Scan:
Interlacing Scan is a scanning method which uses 2 fields for a frame. One field contains the odd lines and the other contains the even lines of the image respectively.

Karaoke:
Karaoke means a literally an empty orchestra. Karaoke was largely responsible for the success of laserdisc in Japan, thus supporting it elsewhere.

Line doubler:
Line doubler allows the video processor to double the number of lines in the scanning system so that displays with scan lines that are less visible are created.

Lossy Compression:
Lossy Compression is a compression technique which degrades the video or picture quality on compressing.

Letterbox:
The process of transferring the widescreen videos to other video formats but still preserving the original aspect ratio of the video.

MPEG video:
MPEG video compression demonstrates that the video is compressed in the MPEG encoding system. They are of 2 types, MPEG-1 is used for the videos of low data rate and MPEG-2 used for the videos of high data rate.

NTSC:
NTSC is the abbreviation of National Television Standards Committee. This standard was developed so that all the TV signals in United States are compatible.

Onida:
Onida is an Indian based company which has international collaborations. They used to manufacture blu ray DVD players which is of several types.

OAR:
OAR is refers to the Original Aspect Ratio. The aspect ratio for the HD video changes from one Television to that of the other. But the OAR will be preserved in Blu ray discs.

PAL:
PAL stands for Phase Alternate Line. It is European video standard that is compatible with NTSC system of United States.

Posterization:
Posterization is a visual effect which makes the different brightness levels of the picture down to one or two.

Profiles:
Profiles are the catalogue for the blu ray players. Several version  of profiles are available such as profile 1.0, profile 1.1 and profile 2.0(BD live).

Pillarbox:
Pillar box is a effect occurring in the wide screen. This effect occurs when the black bars appear are the sides of the image.

PCM:
PCM is the abbreviation of Pulse Code Modulation which is the digital representation of the analog signal sampled regularly at uniform intervals. It also helps in the digital transmission from one point to the other in serial form.

Philips:
Philips is also a MNC. Apart from their manufacturing of Blu ray DVD player, they also manufacture home theater systems for the same and their home theater systems comes up with the Blu ray DVD players.

Panasonic:
Panasonic DVD players are available all over the world, they are one of the leading manufacturers of the DVD players and most of the players sold are imported and offers many number of sophisticated features.

Region Codes:
Region codes are mentioned for the blu ray discs. This allows the blu ray discs to be played in specific areas or regions or countries only.

Sony:
Sony is a international company and this Multinational National Company manufacture many electronic gadgets and they also manufacture DVD players. The DVD players they manufacture are of exceptional quality and filled many sophisticated features and modern day requirements.

Samsung:
Samsung is a Multinational company which manufactures many electronic gadgets and they are also in the manufacture of Blu ray DVD players. Their manufacturing comes up with several varieties and is stylish too.

UDF:
UDF is the Universal Disc Format which is a standard developed by the Optical Storage Technology Association which is designed to create a practical and usable subset of the ISO/IEC.

Windowbox:
Windowboxing is a visual effect which occurs when both the letterbox effect and pillarbox effect occur simultaneously.