Yamaha NX-S100S Owner's Manual download pdf (Page 77)

Interlace and progressive output

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

scan lines, whereas progressive scanning uses twice the

nmnber of scan lines.

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

this unit's COMPONENT VIDEO OUT terminals (Y, Pt_ /

Ct,, P_,JC_) allow you to enjoy higher quality pictures lhan

if the signals were oulput from the video otaput terminal

or S VIDEO OUT torminal. The COMPONENT

VIDEO OUT terminals are also able to handle 525p

(progressive) video signals which m'e of even greater

resolution.

_P/B

MPEG, the video compression standard adoptad for use

with DVD-Video, codes frames using these 3 picture

types.

h Intracoded 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 1o 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 c_xted 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).

Matrix 6.1

The unit incorporates Malrix 6.1 decoder for Dolby

Digital and DTS multi=channel soBware that enables 6.1 =

channel reproduction by adding the rear center channel to

existing 5. l-channel format. (The rear center channel is

created from rear left and right channels, and oulputted

from virtual rear center speaker 0 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

thai 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 no1 fit onto a standm'd

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 1he

screen.

Letterbox: Black bands appear at the top and bottom of

the picture so the picture itself appem's 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 1hat particular scenes or information can

be selected for viewing interactively wilh 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 inslructions.

Sampling frequency and number of

quantized bits

When digitizing an analog audio signal, the nmnber of

times the signal is sampled per second is called the

sampling frequency, while 1hedegree of fineness when

converting the sound level into a nmneric value is called

the nmnber of quantized bits.

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Yamaha NX-S100S Owner's Manual Page 77

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