Camera settings
12.4.7 Audio (Audio Mode and Bit Rate Settings)
The Audio Mode setting can be found under this path: Streaming> Audio.
In the Audio page, the administrator can select one transmission mode and audio
bit rate.
Transmission Mode
Full-duplex (Talk and Listen simultaneously)
In the Full-duplex mode, the local and remote sites can communicate with each
other simultaneously, i.e. both sites can speak and be heard at the same time.
Half-duplex (Talk or Listen, not at the same time)
In the Half-duplex mode, the local / remote site can only talk or listen to the other
site at a time.
Simplex (Talk only)
In the Talk only Simplex mode, the local / remote site can only talk to the other site.
NOTE: This function is not available for Compact Fixed Dome.
Simplex (Listen only)
In the Listen only Simplex mode, the local / remote site can only listen to the other
site.
Disable
Select the item to turn off the audio transmission function.
Server Gain Setting
Set the audio input / output gain levels for sound amplification. The audio input
gain value is adjustable from 1 to 10. The audio output gain value is adjustable
from 1 to 6. The sound will be turned off if the audio gain is set to “Mute”.
Bit Rate
Selectable audio transmission bit rate include 16 kbps (G.726), 24 kbps (G.726),
32 kbps (G.726), 40 kbps (G.726), uLAW (G.711) and ALAW (G.711). Both uLAW
and ALAW signify 64 kbps but in different compression formats. Higher bit rate will
let higher audio quality and require bigger bandwidth. Click on <Save> to confirm
the setting.
Recording to Storage
Select <Enable> from the drop-down menu to enable recording audio with video
into SD card.
NOTE: If the chosen bit rate is not compatible with the player, there will only be
noise instead of audio during playback.
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