JVC XV-S500BK manual Appendix B Glossary, Dts

Additional information

Additional information

Appendix B: Glossary

480i/480p

Indicates the number of scan lines and scanning format of an image signal. 480i indicates 480 scanning lines with interlace format, and 480p indicates 480 scanning lines with progressive format.

Aspect ratio

A ratio which defines the shape of the rectangular picture in a TV. It is the width of the picture relative to the height. The conventional TV picture is 4:3 in aspect ratio.

Bitstream

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

Channel, CH

Stereo or multichannel audio consists of "channel" signals. "Stereo" audio consists of left and right channels, while 5.1-channel Dolby Digital consists of six channels (front left, front right, rear left, rear right, center and LFE (Low-Frequency Effect channel for sub- woofer, etc.).

Chapter

The smallest division on DVD VIDEO. It is a division of a title and similar to a track for Audio CD or Video CD.

Component video

Video signals with three channels of separate information that makes up the picture. There are some 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.

Dolby Digital (AC3)

A six-channel system consisting of left, center, right, left rear, right rear and LFE (Low-Frequency Effect channel for sub-woofer, etc.) channels. All processing is done in the digital domain.

Not all Dolby Digital discs contain six (5.1) channel information.

Dolby Surround/Dolby Prologic

Dolby Surround is a five-channel system consisting of left, center, right and left rear, right rear channels. All processing is done in the digital domain.

Dolby Prologic is a four-channel system consisting of left, center, right and rear channel (the single rear channel is usually played through two speakers).

Downmix

Internal stereo mix of multichannel surround audio by a DVD player. The downmix signals are output from stereo output connectors.

DTS

A Digital Surround audio encoding format configured with six (5.1) channels, similar to Dolby Digital. It requires a decoder, either in the player or in an external receiver. DTS stands for Digital Theater Systems.

Not all DTS discs contain six (5.1) channel information.

Dynamic range

The difference between the loudest and softest sounds.

Dynamic range compression

The dynamic range compression (DRC) reduces the dynamic range so that you can turn down the volume to avoid disturbing others yet still hear the detail of quiet passages.

Extension

Several letters at the end of a filename. Filename extensions usually follow a period and indicate the type of information stored in the file.

Finalize

When conducting multisession recording, this means the closing of a session (fixing) by indicating the halting of writing so as to prevent the addition of any more sessions.

Fs

See "Sampling frequency".

ID3 tag

The tag embedded in an MP3 file indicating what song, artists, and album it comes from. You can edit these tags.

Interlace scan

In the conventional video system, a picture is shown on the display monitor in two halves. The Interlace scan system places lines of the second half of the picture in-between lines of the first half of the picture.

ISO 9660 Format

The most common international standard for the logical format for files and directories on a CD-ROM.

JPEG

A popular file format for still image compression. JPEG stands for Joint Photographic Experts Group. There are three sub-types of the JPEG format as

follows.
• baseline JPEG:	used for digital cameras, web,
	etc.
• progressive JPEG: used for web
• lossless JPEG:	an old type and rarely used
	now

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