■
Bit-rate Optimizer for HDD to DVD Recording
This system analyzes the content as it is recorded on the HDD and then assigns
optimum bit rates — low for simple scenes, high for complicated scenes — to
ensure optimum picture quality while calculating disc capacity.
■
Selectable Recording Times and Data Rates
Depending on the application, the most appropriate recording time and data rate
can be selected. Copying of synchronized-edited material from HDD to DVD is
normally performed at single speed (x1); however, this can be increased eight-
fold*. This means that by copying the synchronized-edited recording first to the
DVD-R, then back to the HDD, and finally dubbing it at normal speed, reproduc-
tion of DVD discs can be performed up to eight times quicker.
*When copied to DVD-R at the maximum recording speed: 64 times in FR480 mode.
■
18 Pre-installed and User-
customizable Background
Patterns (DVD)
For extra convenience and DVD video production
with added originality, the SR-DVM700 makes
available 18 pre-installed background pat-
terns. The pre-installed patterns can be
modified by the user to create personal
templates by inserting original pho-
tographs or graphics of their choice.
■
Extended Recording with High-resolution Pictures
(DVD-RAM/DVD-RW/DVD-R VR mode)
Horizontal resolution in the LP (4-hour)
mode of a conventional DVD recorder is
approximately 250 lines (1/2D1) but the
SR-DVM700 provides more than 350 lines
(2/3D1). Content that is longer than 2 hours
can be recorded on a disc without any
decrease in picture quality.
■
250GB HDD
The 250GB hard disk drive offers high-storage capacity with extended recording
times of up to 473 hours*.
*When recorded in FR480 mode
■
Play-list Editing
Video recorded on the hard disk drive can be easily divided into different sections
via the play-list editing screen. Convenient non-linear editing can also be per-
formed by adding video clips to the play-list, inserting in and out points within
desired scenes while previewing the video, and shuffling scenes by arranging the
play-list in the preferred order. From the chapter setup screen, the desired chap-
ter number can be set while previewing the thumbnails of each scene, and scene
editing is possible using a play-list created from these chapter numbers.
■
DV Native Format Recording to HDD
Up until now, it was necessary to first convert DV recordings to an MPEG on the
hard disk drive (HDD) to conduct non-linear editing and then convert them back
to the DV format — a process which was time consuming and caused data
degradation. However, the SR-DVM700 allows direct digital-to-digital recording
and editing onto the HDD in the DV native format to reduce work time signifi-
cantly and ensure zero loss in quality. For more convenient operation, the SR-
DVM700 can also be used as a recorder or backup device by connecting it
directly to a DV camera via the IEEE 1394 connector for continuous DV format
recording of up to 18 hours on the HDD, which is equivalent to approximately
four DV Large Cassette videotapes.
■
Easy Program Dubbing
Using the index navigation screen and simply selecting programs in the desired
order enables easy program-based editing & dubbing when dubbing between
DVD and HDD.
■
Live Memory Playback Function
To increase overall efficiency and allow checking of material when recording a mas-
ter video onto the hard disk drive, Live Memory Playback Function allows playback
of recorded material from any desired point. This function can also be used while
recording onto a DVD-RAM disc.
■
Synchronized Editing System for Direct Dubbing
from HDD to DVD
Using the Synchronized Editing System function, video data that has been edited
on the hard disk of the SR-DVM700 can be transferred digitally to a disc in the
DVD recorder, helping to preserve picture quality and ensuring that DVD playback
will be seamless with no visible edit points. This is made possible by effective use of
the intra-coded picture (I), predictive-coded picture (P), and bi-directionally predic-
tive-coded picture (B) frame information within each Group of Pictures (GOP) during
editing operations. The I and P frames contain information that determines picture
quality and by maintaining their position within the GOP, it is possible to minimize
degradation when dubbing so there are no “freeze” pauses at edit points during
DVD playback for a smooth and natural, high-quality DVD recording.
Video Production Studios or Broadcasters
• Re-archiving digital tape masters (DV/DVCAM tape)
• Linear to non-linear
conversion
• DVD copy of the final
video program from
NLE
MiniDV
(DVCAM) tape
SR-DVM700
PC
DVD
Final Package
DVD Creation
Re-archiving to
DVD disc
●
Digital
Academic or Corporate Program Creator
• Creation of “approval
copies” for local distribu-
tion and reviewing
• Re-archiving from
analog tapes
TBC
(Time Base
Corrector)
MPEG-2
Encoder
Motion Active
Noise
Reduction
Y/C
Separation
Frame
Synchronizer
Super MPEG Encode Pre-Processor
Recording
DVD-RAM
DVD-RW
DVD-R
HDD
AUX INPUT
MPEG-2
Decoder
Motion Active
Progressive
Scan Output
VIDEO
OUTPUT
Block
Noise
Reduction
Hadamard
Noise
Reduction
Super MPEG Post-Processor
Playback
DVD-VIDEO
DVD-RAM
DVD-RW
DVD-R
+RW
+R
HDD
Color
DigiPure
●
Pre-processor (HDD/DVD)
When recording from analog sources,
effective noise reduction is applied
before MPEG-2 encoding to guar-
antee superior quality images.
●
Post-processor (HDD/DVD)
Several noise reduction features work together to clean
up the image. Block noise reduction cuts “block noise”
caused by MPEG-2 compression, Color DigiPure
reduces 3D color noise, and Hadamard noise reduc-
tion eliminates “mosquito noise” from any DVD.
■
Super MPEG Processors
DVD Dubbing
HDD Editing
I
B
B
P
B
B
I
B
B
P
B
P
B
B
P
B
B
I
B
B
I
B
B
P
B
I
B
B
P
P
P
B
P
I
B
B
P
P
I
P
I
B
B
B
I
B
B
P
B
P
B
B
P
B
B
I
B
B
I
P
I
B
B
Original Pictures
Data on HDD
Editing
Process
Editing
Process
Dub to
DVD
Dub to
DVD
Edited Data
on HDD
Data on DVD
GOP#6
Adjusting
Coding Position
of "
P
" Frame
Transform
B > P
Transform
B > I
B > P
Adjusting
Coding Position
of "
I
" Frame
GOP#7
GOP#23
GOP#24
Synchronized Editing
Transformed Frames
Cutting Operation
Cutting Result
JVC Synchronized Editing System
250
300
350
400
450
500
1
2
3
4
5
6
7
8
Comparison of Horizontal Resolution
Horizontal r
esolution (lines)
Recording time (hours/disc)
SR-DVM700
Other Manufacturer’s Model
MiniDV
(DVCAM) tape
SR-DVM700
PC
DVD
Final Package
DVD Creation
Re-archiving to
DVD disc
SR-DVM700
SR-VS30
VHS/S-VHS deck or VCR
DVD
Final Package
DVD Creation
Re-archiving to
DVD disc
●
Analog
●
Digital
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