Features
Compression
H.264
video
compression
in
real-time
(PAL:
25FPS,
NTSC:
30FPS).
Each
channel
is
independent.
One
channel
audio
input
and
output.
Each
channel
is
independent
with
OggVorbis
compression
at
a
bit
rate
of
16Kbps.
Multi-area
motion
detection.
On-screen
display
(OSD)
and
changeable
OSD
&
Logo
position.
Supports
both
constant
bit
rate
and
variable
bit
rate.
Supports
dual-stream,
and
the
sub
stream
can
support
CIF/QCIF
resolution.
2
stream
types,
including
video
&
audio
and
video
only.
Either
composited
stream
or
video-only
stream
can
be
selected.
Local
Functions
Recording
Supports
SATA
HDD
which
can
support
up
to
2000GB
memory.
HDD
S.M.A.R.T.
technology
Supports
FAT32
file
system
Multiple
record
types,
including
manual
recording,
all
time,
motion
detection,
alarm,
motion
&
alarm,
motion
or
alarm,
command.
Cycle
and
none
cycle
recording
mode.
Backup
recorded
files
and
clips
with
USB
flash
disk
or
USB
hard
disk.
Preview
&
Playback
Supports
one
composited
video
output
and
one
spot
video
output
DS-7204HI-VS
can
support
one
VGA
output.
Sensitive
area
masking.
View
tampering
alert.
Supports
video
signal
loss
alert.
Supports
play
forward,
backward,
pause,
frame-by-frame,
etc.
User-defined
preview
layout.
Supports
one
playback
channel.
Playback
by
files
or
by
time.
Display
local
recording
status.
