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NHDR
-
4xxxAHD user’s manual ver. 1.1
All rights reserved © AAT Holding S.A.
40
RECORDING
6. RECORDING
The
Record
menu allows to set parameters and how to record video.
The
Encode
submenu has three tabs containing settings for video streams:
Mainstream
,
Substream
and
Mobilestream
. The parameters of each stream can be configured independently. The
Mobilestream
is available only for Novus 2000 and 4000 series IP cameras supporting this function.
The table columns are described below. Some columns may not be visible, to see them you need to
move the scroll bar at the bottom of the screen:
Channel
-
channels number.
Stream type
-
stream type information (
Normal
or
Alarm
). The type is
Normal
by default, if the ETR
option is enabled for the channel, the
Alarm
stream also appears for it.
Resolution
-
selection of recording resolution. It depends on camera resolution and its settings.
FPS
-
setting the number of frames per second of the recorded stream (from 1 to 30, depend on the
recorder model and set resolution).
Video Encode Type
-
selection of the video coding method (
H.264
or
H.265
).
Bitrate Control
-
the type of bit rate.
CBR
-
constant bitrate stream,
VBR
-
variable bitrate stream.
Video Quality
-
defines the quality of recordings for the variable bitrate stream (
Lowest
,
Lower
,
Low
,
Medium
,
Higher
or
Highest
).
Bitrate mode
:
Predefined
-
bitrate selection from the list,
User
-
defined
-
value entered manually.
Bitrate
-
bitrate (kbps), defines the quality and the size of recordings. The higher the value, the better
quality of recordings. If
Bitrate mode
is set to
Predefined
,
Bitrate
value is selected from the list.
Maximum
Bitrate
value for analog cameras is
8192
in NHDR
-
43xxAHD recorders ,
4096
in
NHDR
-
41xxAHD recorders.
Audio
-
allows to record the sound together with the video image.
I Frame Interval
-
determines the interval between base frames. Option available only for IP cameras.
ETR
-
allow to set different stream parameters for events (event recording). It is available analog
cameras and IP cameras supporting this function.
Note! NHDR
-
41xxAHD recorders save the 4Mpx video streams in 2560x1440 or 1280x1440
resolution depending on the camera settings (NRT option).