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Glossary
Bitstream
Digital signals of compressed sounds or images.
Chapter
A unit for segments of music and images in the titles of DVD Videos, etc. It can be freely
created for programmes recorded using this unit. (For DVD-RAM and DVD-RW (VR) discs.)
Decoder
A device that reverts compressed signals of sounds and images to their original signals.
Dolby Digital
A compression process system for audio signals. A standard system for 5.1-channel
surround on DVD Videos.
DTS
An abbreviation for Digital Theater Systems, a sound compression format used on DVD
Videos. With higher sound quality as compared to Dolby Digital.
Encoding
The compressing and digitalising of sounds and images. Re-encoding refers to using another
system or compression rate to re-digitalise signals that were uncompressed.
Finalising
A writing process of disc information such that the programmes recorded on the DVD-R
and DVD-RW discs can be played back on other players.
HDMI
Abbreviation of High-Definition Multimedia Interface. Based on DVI (Digital Visual
Interface) used in many PC displays, it is the standard of next-generation digital interfaces
with added functions geared towards AV devices while maintaining downward
compatibility. HDMI is capable of digitally transferring high resolution images and multi
channel/audio without compression using one cable.
JPEG
An abbreviation of Joint Photographic Experts Group, an international standard for
compressed still image data files. The data of the 3 primary colours (RGB) is compressed
from a ratio of 10:1 to 100:1.
Letterbox
A method of displaying a wide image (16:9) on a TV with aspect ratio of 4:3 in full screen,
by adding a black band at the top and bottom.
Linear PCM
A format that digitalises audio signals without compression.
MP3
An abbreviation of MPEG-1 Audio Layer-3, an international standard for compressed audio
data files. While minimising the deterioration of sound quality, the audio data of an audio
CD is compressed to a ratio of 10:1.
MPEG
Pronounced as EHM-pehg, an abbreviation of Moving Picture Experts Group, an
international standard for video and sound compression.
Pan & Scan
A method of displaying a wide image (16:9) on a TV with aspect ratio of 4:3 in full screen,
by cropping off the left and right of the image.
PBC
An abbreviation of Playback Control. A mechanism that controls the playback of data
recorded with Video CD (Ver.2.0). Includes a software with interactive and search function
using a menu screen.
Post-recording
Refers to the adding of narration or background music (BGM) to the sound after recording it
with the camera.
Progressive scan mode
For conventional TV broadcast video signals, a picture is presented by displaying the
vertical resolution of 525 scanning lines alternately in halves. This system is known as
interlace. The system that displays all the scanning lines at one time is known as progressive
scan, and this mode enables high image quality playback of DVD Video movie softwares.
Region number
A number that restricts DVD Video playback. The world is divided into 6 regions
distinguished by numbers, and playback is not possible if the number of the player and the
disc do not match.
S-Video terminal
A type of video terminal that connects the unit and the peripheral devices. Achieves high
image quality as the luminance signal and chrominance signal are connected separately.
Thumbnails
Reduced-size version of pictures, for making segments of pictures, programmes or scenes
easily recognisable.
Title
A unit for recorded image of images that can be selected using the main image or menu
screen of DVD Videos, etc. Programmes recorded using this unit are also known as titles.
Track
A unit for segments of music, images, etc. in audio CDs, Video CDs, and Super Video CDs.
Video mode
A recording system for DVD-R and DVD-RW discs, which is compatible with DVD Video
discs.
VR mode
An abbreviation of Video Recording Mode. A form of recording system for discs including
DVD-RW, it is possible to edit, erase or rewrite.
DR-MH300SE.book Page 107 Thursday, November 24, 2005 9:12 AM
