Privacy Masking - Sony Ipela SNC-CS20 User Manual

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Notes
• JPEG - 768 × 576 is configured by zooming in a JPEG
- 640 × 480 (VGA) image. You may have the
impression that the image resolution is reduced.
• Video output mode (page 33) is set to NTSC + IP or
PAL + IP, or Iris open is On (page 33), superimpose
and privacy masking are disabled regardless of the
settings. The output image size is fixed at 640 × 480
(VGA) on JPEG and MPEG4 regardless of the setting.
• According to the output image size setting,
superimpose and privacy masking have codec
requirements. For details, refer to the following table.
JPEG - 768 × 576 : MPEG4 - 640 × 480 (VGA)
JPEG - 640 × 480 (VGA) : MPEG4 - 640 × 480 (VGA)
JPEG - 640 × 480 (VGA) : MPEG4 - 384 × 288
JPEG - 640 × 480 (VGA) : MPEG4 - 320 × 240 (QVGA)
JPEG - 384 × 288: MPEG4 - 640 × 480 (VGA)
JPEG - 320 × 240 (QVGA): MPEG4 - 640 × 480 (VGA)
JPEG - 384 × 288 : MPEG4 - 384 × 288
JPEG - 320 × 240 (QVGA) : MPEG4 - 320 × 240 (QVGA)
Usable – Not usable
z
JPEG cropping (SNC-DM110 / DM160 /
CM120 only)
When you select JPEG - 1280 × 960 (Quad-VGA) :
MPEG4 - OFF : JPEG cropping available in the
image size setting, cropping the image and displaying
the required part of the image lead to a reduction in the
volume of data transmission and network load. When
you click Area setting, you can specify the cropping
area.
Cropping an image
1
Select JPEG - 1280 × 960 (Quad-VGA) : MPEG4
- OFF : JPEG cropping available in Image size.
2
Click Area setting.
The area setting window appears.
3
Specify the cropping area.
Click the left button of the mouse on the still image
and drag it diagonally. The red frame that appears
as you drag indicates the cropping area.
4
Click OK at the bottom of the window.
The cropped image is displayed in the main viewer.
5
Click to close the area setting window.
Superimpose/Privacy masking
JPEG
z
z
–
–
z
z
z
z
Notes
• When you select JPEG - 1280 × 960 (Quad-VGA)
MPEG4 - OFF: JPEG image cropping available in
Image size, Area setting becomes inactive.
• Motion detection operates for the image in its original
image size that is not cropped even if cropping is set
to On.

Privacy masking

The codec with which the privacy masking function is
usable is shown in green. The privacy masking function
can be set with "Installing the SNC privacy masking
tool" (page 87).
Notes
• When you set the privacy masking function, the image
frame rate may be reduced.
• The motion detection function is performed with the
image which is set before the privacy masking is
activated.
• When the masking image is quite different from the
masking color, the image may be blurred.
Setting the Camera Image and Audio — Camera Menu
MPEG4
–
z
z
z
–
–
z
z
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