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Configure the settings relating to audio [Audio]
Click the [Audio] tab on the "Image/Audio" page. (
☞
Pages 24 and 25: How to display/operate the setup menu)
The settings relating to audio can be configured on this page.
Note:
• Images and audio will not be synchronized. Therefore, images and audio may not always match.
• Audio may be interrupted depending on the network environment.
[Audio transmission/reception]
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 cam-
era and the PC. Therefore, the settings and controls
relating to audio will be invalidated.
Mic input:
The PC receives audio data from the cam-
era. Audio can be heard with images on the PC.
Images and audio will not be synchronized.
Audio output:
Audio data from the PC will be transmit-
ted to the camera. Audio can be heard from the
speaker connected to the camera.
Interactive(Half-duplex):
Both reception and transmis-
sion are available. However, audio data cannot
simultaneously be transmitted and received.
Interactive(Full-duplex):
Both reception and transmis-
sion are simultaneously available.
Default:
Off
Note:
• Howling may be generated depending on usage
conditions. If howling is generated, prevent sound
generated by the PC from entering the PC micro-
phone.
• When "Multicast" is selected for "Transmission
type" on the [JPEG/H.264] (or [JPEG/MPEG-4]) tab
of the "Image/Audio" page, audio transmission will
become unavailable while monitoring H.264 (or
MPEG-4) images. To transmit audio from a PC to
the camera, click the [JPEG] button on the "Live"
page.
[Audio encoding format]
Select the audio encoding format from G.726 and
G.711.
Default:
G.726
Note:
• The other i-PRO series products do not support
"G.711" unless otherwise stated. (As of October,
2010)
• G. 711 is available only when "Mic input" is selected
for "Audio transmission/reception".
[Audio bit rate]
Select "16kbps" or "32kbps" for the audio bit rate used
to transmit/receive audio data.
Default:
32kbps
Note:
• When selecting a smaller value for "Bandwidth
control(bit rate)" (
☞
page 87) while putting a priority
on the JPEG/MPEG-4 image transmission, select
"16kbps" for "Audio bit rate".
• [Audio bit rate] is unavailable when "G.711" is
selected for "Audio encoding format".
