38
Video and Audio Streaming
6.1.1. Video
resolution
To change the dual streaming format
1.
From the left-hand menu, select
Video Format
.
2.
Select from the following dual streaming formats:
•
MJPEG 1280×960 (15fps) + MPEG-4 VGA (15fps)
•
MJPEG 1280×960 (15fps) + MPEG-4 QVGA (15fps)
•
MJPEG 1280×960 (15fps) + MPEG-4 CIF (15fps)
•
MJPEG 1280×960 (15fps) + MPEG-4 QCIF (15fps)
•
MJPEG 640×480 (30fps) + MPEG-4 VGA (30fps)
•
MJPEG 640x480 (15fps) + MPEG-4 VGA (15 fps)
3.
Click
Save
to confirm the setting.
Table 6.1 provides an overview of the MPEG-4 resolutions.
resolution (hxv) PAL
NTSC
D1 720x576
720x480
2/3 D1
480x576 480x480
1/2 D1
352x576 352x480
2CIF 720x288
720x240
CIF (top field only) 352x288 352x240
QCIF 176x144
176x120
Table 6.1 MPEG-4 resolutions.
6.1.2. Video rotate type
Users can change video display type if necessary. Selectable video rotate types include
Normal
,
Flip
,
Mirror
and
180 degree
, illustrated in this section.
Suppose the displayed image of IP dome camera is shown as in figure 6.2a. This is the
default orientation if the dome camera is flat on a tabletop, for example.
To rotate the image, users can select
Flip video
, for instance. Then the displayed image will
be reversed as shown in figure 6.2b.
Figure 6.2a Upside down video image
