Terms - Oppo DVD-DL317 User Manual

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Terms

525/60
A scan system with 525 horizontal lines and 60 interlacing
fields (30 frames) per second. Applied by NTSC.
625/50
A scan system with 625 horizontal lines and 50 interlacing
fields (25 frames). Applied by PAL and SECAM.
ANALOG
A level theoretically changes infinitely in time and space. As
compared to DIGITAL.
ANGLE
A specific view of a scene recoded from a specific angle in
DVD-Video. When viewing the specific scenes, different
angles can be selected.
CD
Abbreviation for Compact Disc. A laser disc storage format
developed by Philips and Sony.
CD-DA
Abbreviation for Compact Disc Digital Audio. The original
music CD format storing audio information as digital PCM
data.
CD-R
The extension of the CD format. Data can be recorded once
by utilizing coloring matter subliming technology.
CD-ROM
The extension of the CD-DA format. The computer data is
stored in the digital format.
CHAPTER
Sections of a picture or a music piece on a DVD that are
smaller than titles. A title is composed of several chapters.
Each chapter is assigned a chapter number enabling you
to locate the chapter you want.
COMPRESSION
A process which eliminates redundancy of digital data to
reduce the necessary storing or transmitting data size.
Lossless compression only eliminates the enough redundancy
to make date restore correctly. Lossy compression sacrifices
the additional data to achieve a larger compression.
CONTRAST
The range between the brightest and the darkest of an image.
DAC Digital-to-analog converter)
A circuit converting the digital data (audio or video) to analog
data.
DIGITAL
Expressed by numerals. For example, a computer utilized
a group of discrete numeric values. The analog data can be
digitized by sampling.
Dolby Digital
An audio encoding system developed by Dolby Laboratories
and recognized as the international standards. Dolby Digital
is the most common system of the DVD-Video encoding
audio and the normalized audio compression system of
525/60 (NTSC) CD.
DOWNMIX
Changing multi-channel audio to dual channel stereo audio
by utilizing Dolby Surround processing.
DVD
Abbreviation of Digital Video Disc or Digital Versatile Disc.
An audio/video/data storage system based on 12cm and
8 cm disc.
DVD-R
A DVD version. Data can be recorded once by utilizing
coloring matter subliming technology.
HUE
The color of ray or pixel. The color characteristics are
depending on the ray's main elements' wavelength.
INTERLACE
A scan system. In scanning, the technique of using more
than one vertical scan to reproduce a complete image. In
television, 2:1 interlace is used, giving two vertical scans
(fields) per frame; one field scans odd lines, and one field
scans the even lines of the frame.
ISO 9660
An international standard for the file system used in
CD-ROM.
Macrovision
A recording protection technology. It alters the signals. The
playback looks normal in most TVs. However, when the
recorded materials are played back, pictures look very
distorted and invisible. Macrovision utilizes the characteristics
of the AGC circuit and VCR color synchronous decoding
circuit to interfere recording.
MPEG Moving Pictures Expert Group)
An international committee who established a series of
compression stands of MPEG audio and video.
MULTIANGLE
Various angles for the scene (viewpoints of the video
camera) are recorded on some DVDs.
MULTILANGUAGE
Several languages for the audio track or subtitles in a
picture are recorded on some DVDs.
SATURATION
The color's intensity or brightness.
SIGNAL-TO-NOISE RATIO
Ratio of pure signals to irrelevant noise like tape noise
or video interference. It is measured by dB. The analog
recordings always have noise. The digital recordings have
no noise provided that data are filtered at the front end
without compression.
SURROUND SOUND
There are speakers in front of and behind audiences to
create a multi-line audio system composed of surround
simulation and directional audio source sound fields.
TITLE
The longest section of a picture or a music piece on a
DVD; a movie, etc., for a picture piece on video software;
or an album, etc., for a music piece on audio software.
Each title is assigned a title number enabling you to locate
the title you want.
TRACK
Sections of a picture or a music piece on a CD or VIDEO
CD. Each track is assigned a track number enabling you
to locate the track you want.
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