Bedienungsanleitung Yamaha LPX-500 (Seite 64 von 80) (Englisch)

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Appendices

Glossary

Following is an explanation of some of the terms used in this guide which may be unfamiliar or which were

not explained in the manual itself. Further information can be obtained by referring to other commercially-

available publications.

3-2 pull-down

detection-type IP

conversion

This function directly converts image sources that have been recorded in the same 24-frame

format used for movies into 60-frame progressive signals. This allows data such as DVD

software that has been recorded in 24-frame format to be played back on large screens with

more natural and accurate reproduction, without any loss of image quality from the original

movie.

Aspect ratio

The ratio between an image's length and its height. HDTV images have an aspect ratio of 16:9

and appear elongated. The aspect ratio for standard images is 4:3.

Color

difference

signal

(component)

A type of video signal output by video equipment which actually consists of three separate

signals: a red + luminance signal (R-Y), a luminance signal (Y) and a blue + luminance signal

(B-Y). Each signal is transmitted along a separate cable. Color difference signals generally

result in a better image than composite signals (in which the red, green and blue signals and

the luminance signal are all transmitted along a single cable).

Color

temperature

The temperature of an object which is emitting light. If the color temperature is high, the

colors tend to take on a bluish tinge. If the color temperature is lower, the colors tend to take

on a reddish tinge.

Component video Video signals which have the video brightness signals and color signals separated, in order to

provide better image quality.

In high-definition TV (HDTV), it refers to images which consist of three independent signals:

Y (luminance signal), and P

and P

(color difference signals).

Composite video Video signals which have the video brightness signals and color signals mixed together. The

type of signals commonly used by household video equipment (NTSC format).

The signals consist of the carrier signal Y (luminance signal) and the chroma (color) signal

which are contained in the color signal.

Contrast The relative brightness of the light and dark areas of an image can be increased or decreased

in order to make text and graphics stand out more clearly, or to make them appear softer.

Cool-down

The cooling process for the projector lamp continues even after the [STANDBY/ON] button

on either the remote control or the projector's control panel has been pressed to turn off the

projector. All button operations for the emote control and the projector's control panel are

disabled while the cooling fan is operating at this time. The length of time that this is

happening is called the "cool-down period". The cool-down period lasts for about 5 minutes.

The actual time will vary depending on the external air temperature.

DCDi function An abbreviation for Directional Correlational Deinterlacing. Refers to a high-resolution

image circuit function developed by Faroudja. It incorporates the latest in edge cutting

technology to smooth the jaggedness from the edges of images that have been converted from

interlaced to progressive video, in order to provide more natural images.

DVI Abbreviation for Digital Visual Interface. Refers to a standard method for digital

transmission of video signals.

DVI is a standard that is also targeted towards digital household appliances other than

computers.

Film judgment

function

This function determines whether or not the video source is a 24 Hz progressive film source.

Gain

The adjustment of minute changes in color that occur as result of factors such as differences

in the equipment used to display images. It adjusts the coloration in brighter ranges separately

for R, G and B components.

Gamma The adjustment of minute changes in color that occur as result of factors such as differences

in the equipment used to display images. It adjusts the coloration in intermediate ranges

separately for R, G and B components.

HDTV An abbreviation for High-Definition Television. It refers to high-definition systems which

satisfy the following conditions.

•

••

•

It may also include vertical resolutions of 720p or 1080i or above (p = progressive

scanning; i = interlaced scanning) or 480p.

•

••

•

Screen aspect ratio of 16:9

•

••

•

Dolby Digital audio reception and playback (or output)

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