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Term Definition




4:3 L.ボックス (4:3 レターボックス)

ビデオシステム出力表示形式オプション。標準型TV (4:3) にDVDレコーダーを接続し、元の形式でワイドスクリーン画像 (16:9) を表示させたい場合はこのオプションを選択します。

4:3 パン (4:3 パン&スキャン)

ビデオシステム出力表示形式オプション。標準型TV (4:3) にDVDレコーダーを接続し、全画面形式でワイドスクリーン画像 (16:9) を表示させたい場合はこのオプションを選択します。ピクチャは、左右のサイドが切れた状態で画面を垂直に満たすようにズームされます。

Aspect Ratio

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.

Bit Stream

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

Blu-ray Disc (BD)

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 capacity of 25GB on a single-layer disc and 50GB on a double-layer disc, five times the amount of current DVDs.

Chapter / Title

Chapter is a division of a video title on a DVD disc. A DVD disc may contain more than one title.

Component Video

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).

Composite Video

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

CPRM (Content Protection for Recordable

CPRM is a coding technology developed to protect the copyrights of digital content. The technology creates encryption and decryption markers during the copying process of protected content, so that the content cannot be further copied to other recordable media.


DivX® VOD (video-on-demand) service is designed to protect copyrights of digital videos. Through an online registration process, DivX® VOD prevents unauthorized downloads or file sharing. For more information, please visit: http://www.divx.com/vod.

Dolby Digital®

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 in the player or in an external receiver to regenerate the sound. All processing is done in the digital domain. Not all Dolby Digital® discs contain six (5.1) channels of information.

DTS® (Digital Theater Systems)

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 regenerate the sound. All processing is done in the digital domain. Not all DTS® discs contain six (5.1) channels of information.


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.。

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