IMPORTANT
• If the [AGC (audio)] setting is changed after configuring [Audio detection], the volume of the sound that
is detected with [Audio detection] may change. In this case, make sure to check the [Audio detection]
setting.
[Audio bit rate]
Set the audio compression bit rate.
[G.726(Live)]: 16kbps/32kbps
[G.711(Live)]: 64kbps (cannot be changed)
[AAC-LC(Live/Recording)]: 64kbps/96kbps/128kbps
• Default:
– [G.726(Live)]: 32kbps
– [AAC-LC(Live/Recording)]: 128kbps
Audio transmission/reception
[Audio transmission mode]
Select the communication mode used for audio data transmission/reception between the camera and the PC
from the following:
• Off: Does not receive/transmit audio between the camera and the PC.
• Mic Input (To PC): PC receives the audio data from the camera. On the PC, the image can be viewed
together with the accompanying audio. The image and audio are not synchronized.
• Audio output(From PC)
: Transmits audio data
from the PC to the camera. Audio can be heard from the speaker connected to the camera.
• Interactive(Half-duplex)
: Both reception and
transmission are available. However, audio data cannot simultaneously be transmitted and received.
• Interactive(Full-duplex)
: Both reception and
transmission are simultaneously available.
• Default: Off
Note
• Howling may be generated depending on the usage conditions. Prevent sound generated by the PC
from entering the PC microphone.
• When “Multicast” is selected for “Transmission type” on the [Image] tab of the “Image/Audio” page,
audio output will become unavailable while monitoring H.265 or H.264 images. To perform audio
output, click the [JPEG] button on the “Live” page.
• If you have set the “Audio out” to “Monitor”, you can only set the “Audio transmission mode” to “Off” or
“Mic Input (To PC)”.
• “Audio recording” and “Audio detection” are not available when “Interactive(Half-duplex)” is selected
for “Audio transmission mode”.
[Mic input interval (Camera to PC)]
Select an interval for audio reception from the following.
20ms/ 40ms/ 80ms/ 160ms
• Default: 40ms
Note
• When a shorter interval is selected, the delay time will be shorter. When a longer interval is selected,
audio interruption may be diminished even though the delay time will be longer. Select the interval
according to the network environment.
Operating Instructions 121
2 Settings
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