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AXIS 2191 Installation Guide

Using the Audio Module with Your Camera

Your audio module is now configured and ready for use with your network camera. Enter your

camera's IP-address in Internet Explorer, or click Home on the camera's admin page. You should then

see the control panel for the AXIS 2191 below the camera image. If no audio controls are visible,

check that you have made the correct setting under External Devices.

Push-To-Talk

Used in Half-Duplex or

Simplex - Talk mode.

The button's own

mode is set in the

camera's admin pages.

Show/Hide Settings

Shows or hides the

slider controls and

level indicators

Using the Different Audio Modes

Full-Duplex

Full-Duplex mode means that you can transmit and receive audio (talk and listen) at the same time,

without having to use any of the controls. This is just like having a telephone conversation. The only

controls you may wish to use are the mute checkboxes to turn off the sound, and the level sliders, to

adjust the input/output levels. This mode requires a full-duplex sound card on your computer. If your

available bandwidth is 0.2Mbit/s or less, it is recommended that you use Half-Duplex mode instead.

Half-Duplex

Half-Duplex mode also sends and receives audio in both directions, but only in one direction at a

time. This means you must actively transmit with the help of the Push-to-Talk button. To speak,

press the button (check that the microphone is not muted). When finished speaking, release the

button. You will now be receiving audio from the other end of the connection. Note that the Push-to-

Talk button can be configured for use in two different ways - Toggle or Instant. This is set in the

camera's admin tools. Half-Duplex mode is best if you only have limited bandwidth available.

Simplex - Talk

Simplex - Talk mode means that only the web-client end of the connection can transmit audio (that

is, to the AXIS 2191). This could be used, for example, to provide spoken instructions to a person seen

in the network camera. This mode also requires you to use the Push-to-Talk button.

Simplex - Listen

Simplex - Listen mode can only receive audio from the AXIS 2191 to the web-client. This can be used

in remote monitoring, web attractions etc., to provide live audio, as well as video, of a monitored

situation.

Level Adjust IN/OUT

Drag sliders to adjust level.

NB. Exactly which controls will be

visible below the image depends

on the audio mode you are using.

For example, the Push-to-Talk

button will not be visible in Full-

Duplex mode. Similarly, when

using Simplex - Listen mode, only

the Speaker controls will be

shown. The audio mode is set in

the camera's admin tools.

Available Bandwidth

Select the bandwidth available

for your connection.

Mute Checkboxes

Check to mute speaker or microphone.

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