List Of Abbreviations And Terms For Dvd Player - Hitachi DV-PF7E Service Manual

2-4 LIST OF ABBREVIATIONS AND TERMS FOR DVD PLAYER

Index Abbreviation/Term
A AC3
C CD-R
CD-RW
Component video
output terminals
D Dolby AC3
D terminal
DTS
DVD
DVD-Audio
DVD-R
DVD-RAM
DVD-ROM
DVD-RW
DVD-Video
DVD Video Format
DVD Video Recording
Format
DVD Forum
E EIAJ
J JPEG
L Linear PCM
M MPEG
MPEG Audio Layer 2
MP3
P Progressive playback
function
S SDMI
V Virtual surround
See Dolby AC3.
One type of DVD standard disc, to which writing once is possible (recordable type)
One type of CD standard disc, to which writing up to 1000 times is possible
Used for outputs of HDTV video signal format. Since signals for brightness and colors
are independently handled for components signals (Y: luminance signal; PR/PB:
chrominance signals), degrading of image will be reduced.
Audio coding format developed by Dolby Laboratories in U.S, also simply referred to as
AC3 format: Supports 5-channel full-range sound and one channel for sub-woofer sound
playback.
This terminal, specified by EIAJ (currently JEITA), can automatically switch "digital hi-
vision" programs of BS digital broadcast, and "digital standard broadcast" of current
image quality. A tuner and TV can easily be connected to the D terminal. There are 5
types of D terminal, depending on the different format of video signal passing thorough
the D terminal.
Digital Theater System: Sound system as for movie theaters developed by US Digital
Theater Systems, Inc. The number of channels provided by DTS is the same for Dolby
AC3.
Digital Versatile Disc. A huge amount of digital data for video (movie) and audio can be
recorded on this disc, whose size is the same as CD.
One type of DVD standard disc, on which high-quality audio can be recorded
One type of DVD standard disc, to which writing once is possible (recordable type)
One type of DVD standard disc, to which writing up to 100,000 times is possible
One type of DVD standard disc, to which data for computer can be recorded
One type of DVD standard disc, to which writing up to 1000 times is possible
One type of DVD standard disc, on which high-quality video and audio can be recorded
Video recording/playback standard that applies to DVD-Video, DVD-R and DVD-RW
Video recording/playback standard that applies to DVD-RAM and DVD-RW: This allows
versatile editing functions, differing from the DVD Video Format.
International organization that formulates the technical standards of DVD
Electronic Industries Association of Japan: An organization of manufacturers of
consumer electronic devices, industrial electronic devices and electronic components,
established in April 1948. EIAJ merged with JEIDA (Japan Electronic Industry
Development Association) in November 2000 to become JEITA (Japan Electronics and
Information Technology Industries Association).
Joint Photographic Expert Group: International standard format for compressing still
images.
Linear Pulse Code Modulation: LPCM is a format that digitizes analog audio signal
during recording and converts it back to analog signal during playback.
Moving Picture Experts Group: Standard related to compression of digital video and
audio. MPEG2 is a higher standard of MPEG and is applied to video (movie) requiring
higher quality.
One of three audio compression standards (layers 1-3) defined by MPEG
MPEG1 Audio Layer-3: Audio data digital compression technology.
This function converts interlaced images to non-interlaced images and displays them. It
can play back 24-frame/second images included in DVD movie software, etc.
Secure Digital Music Initiative: This conference was established by hardware makers, the
Recording Industry Association of America (RIAA) and music industry companies, to
protect copyrights of musical compositions.
This technology localizes sound at any position using only two front speakers, by
subjecting the L and R signals to matrix operation. It uses the four transfer functions from
L/R speakers located at specified positions to both ears of listener located in a specified
position, taking into account the shape of head and the effect of earlobes, and the two
transfer functions from any position to both ears.
2-5
Explanation