Bedienungsanleitung Yamaha AVXS100 (Seite 77 von 82) (Englisch)

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GLOSSARY

APPENDIX

English

Matrix 6.1

The unit incorporates Matrix 6.1 decoder for Dolby

Digital and DTS multi-channel software that enables 6.1-

channel reproduction by adding the rear center channel to

existing 5.1-channel format. (The rear center channel is

created from rear left and right channels, and outputted

from virtual rear center speaker.) With this additional

channel, you can experience more dynamic and realistic

moving sound especially with scenes with “fly-over” and

“fly-around” effects.

Pan&Scan/Letterbox

In general, DVD-Video are produced with the intention

that they are viewed on a widescreen television with an

aspect ratio of 16:9. This means you can view most

material with the intended aspect ratio on a widescreen

television.

Material with this ratio will not fit onto a standard

television with an aspect ratio of 4:3. Two styles of

picture, “Pan&Scan” and “Letterbox”, deal with this

problem.

Pan&Scan: The sides are cut off so the picture fills the

screen.

Letterbox: Black bands appear at the top and bottom of

the picture so the picture itself appears in an

aspect ratio of 16:9.

Playback control (PBC)

If a Video CD has “playback control” written on it or its

jacket, it means that particular scenes or information can

be selected for viewing interactively with the television

using the menu screen. This unit can play Video CDs with

playback control.

Using menus to control play of a Video CD is called

“menu play” in these operating instructions.

Sampling frequency and number of

quantized bits

When digitizing an analog audio signal, the number of

times the signal is sampled per second is called the

sampling frequency, while the degree of fineness when

converting the sound level into a numeric value is called

the number of quantized bits.

Interlace and progressive output

NTSC, the video signal standard, has 525 interlaced (i)

scan lines, whereas progressive scanning uses twice the

number of scan lines.

This is called 525p. The 525i video signals output from

this unit’s COMPONENT VIDEO OUT terminals (Y, P

, P

) allow you to enjoy higher quality pictures than

if the signals were output from the video output terminal

or S VIDEO OUT terminal. The COMPONENT

VIDEO OUT terminals are also able to handle 525p

(progressive) video signals which are of even greater

resolution.

I/P/B

MPEG, the video compression standard adopted for use

with DVD-Video, codes frames using these 3 picture

types.

I: Intra coded picture (I-picture)

This is the standard picture and is a complete picture

in itself.

This means it has the best picture quality and is the

best to use when adjusting the picture.

P: Predictive coded picture (P-picture)

This picture is calculated based on past I or P-

pictures.

B: Bidirectionally-predictive coded picture (B-picture)

This picture is calculated by comparing past and

future I and P-pictures so it has the lowest volume of

information.

LFE 0.1 channel

This channel is for the reproduction of low bass signals.

The frequency range for this channel is 20 Hz to 120 Hz.

This channel is counted as 0.1 because it only enforces a

low frequency range compared to the full-range

reproduced by the other 5 channels in a Dolby Digital or

DTS 5.1 channel systems.

Linear PCM (pulse code modulation)

PCM is the usual digital method used for music CDs.

DVDs have a greater volume so they use linear PCM,

which has a higher sampling rate. Compressed PCM

signals are called packed PCM (PPCM).

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