Reference
VQT2H71
33
GlossaryAVCHD
AVCHD is a new format (stan dard) for high defini tion video
cameras that can be used to record and play high-resolut ion
HD images.
BD-J
Some BD-Video discs con tain Java applicatio ns, and these
applications are called BD-J. You can enjoy various interactive
features in addition to playing normal video.
Bitstream
This is the digital form of multi-channel au dio data (e.g.,
5.1channel) before it is decoded into its various channels.
BONUSVIEW (Final Standard Profile)
This is a BD-Video (BD-R OM Profile 1 versio n 1.1) that
supports the new functions su ch as Picture-in-picture an d
Secondary Audio, etc.
Dolby Digital
This is a method of coding digital signals developed by Dolby
Laboratories. Apart from stereo (2-channel) audio, these
signals can also be multi-channel audio.
Dolby Digital Plus
Multi-channel audio and higher audio quality is made possible
using Dolby Digital Plus. BD-Video supports up to 7.1 channel
output.
Dolby TrueHD
Dolby TrueHD is a very hi gh quality audio f ormat that
reproduces the studio master audio. BD-Video supports up to
7.1 channel output.
Down-mixing
This is the process of remixing the multi-channel audio found
on some discs into fewer channels.
DTS (Digital Theater Systems)
This surround system is used in many movie theaters. There is
good separation betw een the channels, so realistic sound
effects are possible.
DTS-HD
DTS-HD is a high-qual ity, sophisticated audio f ormat used in
movie theaters. Prev ious DTS Digital Surr ound-compatible
equipment can play DTS-HD as DTS Digital Surround audio.
BD-Video supports up to 7.1 channel output.
DTS-HD High Resolution Audio
This is a signal format achieved by improv ing the previous
DTS, DTS-ES and DTS 96/24 formats. It i s compatible with
sampling frequency 96 kHz/48 kHz. BD-Video supports up to
7.1 channel output.
DTS-HD Master Audio
This is a lossless au dio format and compat ible with 96 kHz/
7.1ch or less. In addi tion, faithful repr oduction of the mast er
audio is enabled using lossless audio en coding technology.
BD-Video supports up to 7.1 channel output.
Dynamic range
Dynamic range is the difference between th e lowest level of
sound that can be heard above t he noise of the equipmen t and
the highest level of sound before distortion occurs.
Dynamic range compression means reducing the gap between
the loudest and softes t sounds. This mean s you can listen at
low volumes but still hear dialog clearl y.
Film and video
DVD-Video are recorded using either film or video. This unit
can determine which type has been used, then uses the most
suitable method of progressive output.
Folder
This is a place on the disc or SD card where groups of data are
stored together. Additional folders can be created within
folders, and you can make detailed classifications depending
on the folder structure. (>27)
Frames and fields
Frames refer to the single images that c onstitute the video you
see on your television. Each frame consists of two fields.
≥A frame still shows two fields, so there may be some blurring,
but picture quality is generally better.
≥A field still shows less picture information so it may be
rougher, but there is no bl urring.
JPEG (Joint Photographic Experts Group)
This is a system used for compressing/decoding color still
pictures. If you select JPEG as the storag e system on digital
cameras, etc., the data will be compressed to 1/10–1/100 of its
original size. The benefit of JPEG is less deteriora tion in picture
quality considering the degree of compression.
LPCM (Linear PCM)
This is a type of PCM format.
These are uncompressed d igital signals, simi lar to those found
on CDs.
MPEG2 (Moving Pictur e Experts Group)
A standard for efficiently compressing and expanding color
video.
MPEG2 is a compression standard used for DVD and satellite
based digital broadcasting.
MP3 (MPEG Audio Layer 3)
An audio compression me thod that compre sses audio to
approximately one tenth of its size without any significant loss
of audio quality.
PCM (Pulse Code Modulation)
This is one format for converting analog audio into digital audio,
enabling you to enjoy digital audio with no hassle.
Picture-in-picture
This is a function of BD-Video that plays the primary video and
secondary video simult aneously. For instance, the function is
capable of playing the original movie as the primary video while
playing video commentary from the film director on a small
screen as a secondary video.
Sampling frequency
Sampling is the process of converting the heights of sound
wave (analog signal) samples taken at set periods into digits
(digital encoding). Sampling frequency is the number of
samples taken per second, so larger numbers mean more
faithful reproduction of the original sound.
x.v.Color™
x.v.Color™ is a name for devices that are compatible with the
xvYCC format, an int ernational standard for ex panded color i n
motion pictures, and that follow the rules for signal transmission.
Film: Recorded at 24 frames per second. (Recorded at 30
frames per second as w ell). Generally appropriate f or
motion picture films.
Video: Recorded at 30 frames /60 fields per secon d.
Generally appropriate for TV drama programs or
animation.
Frame Field Field
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