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Note:
When selecting a smaller value for "Total bit rate"
(☞ page 54) while putting a priority on the JPEG/
MPEG-4 image transmission, select "16 kbps" for
"Audio bit rate".
[Mic input volume (Camera to PC)]
Select a volume level on the PC to hear audio transmit-
ted from the camera.
Low/Middle/High
Default: Middle
[Mic input interval (Camera to PC)]
Select an interval for audio reception from the following.
20 msec/40 msec/80 msec/160 msec
Default: 40 msec
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 environ-
ment.
[Audio output volume (PC to Camera)]
Select a volume level on the camera to hear audio
transmitted from the PC.
Low/Middle/High
Default: Middle
[Audio output interval (PC to Camera)]
Select an interval for audio transmission from the follow-
ing.
160 msec/320 msec/640 msec/1280 msec
Default: 640 msec
Notes:
• 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 environ-
ment.
• Audio may temporarily be interrupted or noise may
be heard when panning, tilting or zooming the cam-
era, or when multiple users are accessing concur-
rently. It may be possible to diminish the interruption
or noise by setting a longer interval for "Audio output
interval (PC to Camera)".
[Audio output port (PC to Camera)]
Enter the transmission port number (the port number on
the camera used to receive audio data transmitted from
the PC).
Available port number: 1024 - 50000 (Only even num-
bers are available.)
Default: 34004
Note:
The transmission port number entered for "Audio
output port (PC to Camera)" will be used only when
"Unicast (MANUAL)" is selected for "Transmission
type" (☞ page 21).
When "OFF" is selected for "MPEG-4 transmission"
(☞ page 21) or when "Unicast (AUTO)" or
"Multicast" is selected for "Transmission type", it is
not necessary to enter the transmission port num-
ber.
[Authentication]
Select an access level for audio transmission/reception
from the following. Refer to page 49 for further informa-
tion about the access level.
Level 1 only/Level 2 or higher/All users
Default: All users
Notes:
• Images and audio will not be synchronized.
Therefore, images and audio may not always match.
• Audio may be interrupted depending on the network
environment.