Sony DCR-DVD850 - Manual (Page 135)

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Glossary
x 5.1ch surround sound
A system that plays back sound on 6 speakers, 3 at
the front (left, right and center) and 2 at the rear
(right and left) with an additional low-pass
subwoofer counted as a 0.1 channel for
frequencies of 120 Hz or lower.
x Dolby Digital
An audio encoding (compression) system
developed by Dolby Laboratories Inc.
x Dolby Digital 5.1 Creator
Sound compression technology developed by
Dolby Laboratories Inc. which compresses audio
efficiently while preserving high sound quality. It
enables recording of 5.1ch surround sound while
using disc space more efficiently. Discs created
by Dolby Digital 5.1 Creator can be played back
on a device compatible with the disc created on
your camcorder.
x JPEG
JPEG stands for Joint Photographic Experts
Group, a still image data compression (data
capacity reduction) standard. Your camcorder
records still images in JPEG format.
x MPEG
MPEG stands for Moving Picture Experts Group,
the group of standards for the coding (image
compression) of video (movie) and audio. There
are MPEG1 and MPEG2 formats. Your
camcorder records movies in MPEG2 format.
x Thumbnail
Reduced-size images which enable you to view
many images at the same time. [VISUAL
INDEX], [
FILM ROLL], [ FACE], etc. are
thumbnail display system.
x VBR
VBR stands for Variable Bit Rate, the recording
format for automatically controlling the bit rate
(the volume of recording data in a given time
segment) according to the scene being recorded.
For fast-moving video, a lot of media space is
used to produce a clear image, so the recording
time to the media shortens.
x VIDEO mode
One of the recording formats you can select when
using a DVD-RW. VIDEO mode provides
excellent compatibility with other DVD devices.
x VR mode
One of the recording formats you can select when
using a DVD-RW. VR mode enables editing
(deleting or sequence rearrangement) with your
camcorder. Finalizing the disc lets you play it
back on a VR mode compatible DVD device.