Aspect ratio refers to the length to height ratio of an image. The ratio on a standard TV is 4:3, while the one on a high-definition or wide-screen TV is 16:9.

The digital form of multi-channel audio data (e.g. 5.1-channel) before it is decoded into its various channels.

Promoted by a group of companies led by Sony, the Blu-ray Disc (BD) is a new-generation, high-capacity optical disc format. Utilizing a shorter-wavelength blue laser, the BD offers a massive storage c [..]

Video signals with three channels of separate information that makes up the picture. There are several types of component video, such as R/G/B and Y/Cb(Pb)/Cr(Pr).

A single video signal commonly used in most consumer video products that contains all luminance, color, and synchronization information.

A six-channel system consisting of left, center, right, left rear, right rear and LFE (Low-Frequency Effect channel, for use with a sub-woofer) channels. It requires a Dolby Digital® decoder, either i [..]

DTS® is a Digital Surround audio encoding format configured with six (5.1) channels, similar to Dolby Digital®. It requires a DTS® decoder, either in the player or in an external receiver to regenerat [..]

DVD+R is a recordable disc that is the same size as a DVD-Video. Contents can be recorded only once to a DVD+R disc.。

DVD+RW is a recordable and rewritable disc that is the same size as a DVD-Video. Recordings can be erased and the same disc can be used again for the maximum of 1,000 times.

DVD-R is a recordable disc that is the same size as a DVD-Video. Contents can be recorded only once to a DVD-R disc.