Privacy Masks; Audio - Bosch NDN-921 Installation And Operation Manual

70 en | Advanced Mode
Note:
The JPEG resolution follows the highest resolution setting of
either stream 1 or stream 2. The M-JPEG frame rate can vary
depending on system loading.
9.4.9

Privacy Masks

Four privacy mask areas can be defined. The activated masked
areas are filled with the selected pattern in live view.
1.
2.
3.
9.4.10

Audio

Select the microphone or line-in connector as the Audio input
or switch it off. Adust the Input volume with the slider.
Switch the Audio output On or Off.
Select G.711 or L16 as the audio Recording format. The default
value is G.711. Select L16 if you want better audio quality with
higher sampling rates. This requires approximately eight times
the G.711 bandwith.
Note:
The audio signals are sent in a separate data stream parallel to
the video data, and so increase the network load. The audio
data requires an additional bandwidth of approximately
80 kbps to 640 Kbps, depending on type of audio compression
selected, for each connection. If you do not want any audio
data to be transmitted, select Off.
AR18-10-B013 | v1.52 | 2011.06
Select the pattern to be used for all masks (Gray).
Check the box of the mask you wish to activate.
Use the mouse to define the area for each of the masks.
Installation and Operation Manual
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Bosch Security Systems