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AXIS 214 PTZ
Audio
The AXIS 214 PTZ can transmit audio to other clients, by connecting a microphone, and can play audio
from other clients by attaching a speaker.
This section describes how to configure the basic audio settings
for the AXIS 214 PTZ, e.g. set the
communication mode and adjust the sound levels for the microphone and speaker.
Note:
The speaker attached to the LINE OUT connector must have a built-in amplifier, which is available in e.g. some brands of PC
speakers.
Basic Audio Settings
Enable Audio
Enables audio transmission to and from the AXIS 214
PTZ. Refer to Connecting audio equipment, on page
38 for more information.
Audio Channels
There are two mono audio channels between
the AXIS 214 PTZ and other clients, one for receiving audio
and one for transmitting audio. Each audio channel can be turned on or off, which means that there are
four audio mode options that can be used.
• Full-duplex audio is
when you can transmit and receive audio (talk and listen) at the same time,
as when having a telephone conversation. The only controls you may wish to use are the mute
buttons to turn off the sound, and the level sliders for adjusting the input/output volume. This
mode requires the client PC to have a sound card with support for full-duplex audio. If your avail-
able bandwidth is 0.2 Mbit/s or less, it is
recommended that you use Half-duplex mode instead.
• Half-duplex
mode also transmits and receives audio in both directions, but only in one direction
at a time (with the help of the push-to-talk button). To speak, press and hold the button (check that
the microphone is not muted). When finished speaking, release the button to receive audio. The
push-to-talk button is configured from AMC. Half-Duplex mode is best if you only have limited
bandwidth available.