Sony DVP-NS999ES User Manual download pdf (Page 89)

89

Additional Information

GB, a single-layer and double-sided DVD is

9.4 GB, and double-layer and double-sided

DVD is 17GB.

The picture data uses the MPEG 2 format, one

of the worldwide standards of digital

compression technology. The picture data is

compressed to about 1/40 (average) of its

original size. The DVD also uses a variable

rate coding technology that changes the data

to be allocated according to the status of the

picture. Audio information is recorded in a

multi-channel format, such as Dolby Digital,

allowing you to enjoy a more real audio

presence.

Furthermore, various advanced functions

such as the multi-angle, multilingual, and

Parental Control functions are provided with

the DVD.

DVD-RW (page 6)

A DVD-RW is a recordable and rewritable

disc that is the same size as a DVD VIDEO.

The DVD-RW has two different modes: VR

mode and Video mode. DVD-RWs created in

Video mode have the same format as a DVD

VIDEO, while discs created in VR (Video

Recordings) mode allow the contents to be

programmed or edited.

DVD+RW (page 6)

A DVD+RW (plus RW) is a recordable and

rewrtitable disc. DVD+RWs use a recording

format that is comparable to the DVD VIDEO

format.

Film based software, Video based

software (page 62)

DVDs can be classified as Film based or

Video based software. Film based DVDs

contain the same images (24 frames per

second) that are shown at movie theatres.

Video based DVDs, such as television

dramas or sit-coms, displays images at 25

frames (or 50 fields) per second.

Index (CD)/Video Index (VIDEO CD) (page

9)

A number that divides a track into sections to

easily locate the point you want on a CD or

VIDEO CD. Depending on the disc, no index

may be recorded.

Interlace format (page 77)

Interlace format shows every other line of an

image as a single “field” and is the standard

method for displaying images on television.

The even number field shows the even

numbered lines of an image, and the odd

numbered field shows the odd numbered lines

of an image.

MPEG audio (page 29, 81)

International standard coding system used to

compress audio digital signals authorized by

ISO/IEC. MPEG 1 conforms to up to 2-

channel stereo. MPEG 2, used on DVDs,

conforms to up to 7.1-channel surround.

Progressive conversion method (PAL)

(page 62)

• Video based software conversion

Video shows an image by alternately

displaying every other line of an image (field)

at 25 frames (50 fields) per second (Interlace

format).

The Interlace format displays 25 frames (50

fields) per second by displaying every other

line of the image, causing scanning lines to

appear across the image. Furthermore, since

only half of the image is shown at once, the

amount of information contained in an image

is limited.

The Progressive format displays 50 entire

frames per second. The player accomplishes

this by converting each field into a frame by

using either a field-based conversion method

or a frame-based conversion method. The

appropriate method is automatically selected

by the player according to the movement of

the images on the screen. If the movement on

the screen is slow, the frame-based

conversion method borrows adjacent field

information to fill in the missing information.

If the movement on the screen is rapid, the

field-based conversion method creates the

missing information by predicting the

movement of the images on the screen from

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