Vivotek NETWORK CAMERA IZ7151 - Manual (Page 47)

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User's Manual - 7
WindowA X
Audio Settings
Mute : Select this option to disable audio transmission from the Network Camera to all clients�
Note that if mute mode is turned on, no audio data will be transmitted to all clients even though the
audio transmission is enabled in the Client Settings page� In that case, the following message is
displayed�
Internal microphone input gain : Select the gain of the internal audio input according to ambient
conditions� Adjust the gain in thirty three steps from +12 db (most sensitive) ~ -34�5 db (least
sensitive)�
External microphone input : There are two options for external microphone input gain: 0db and
20db�
Audio type : Select audio codec AAC or GSM-AMR and the bit rate�
■
AAC targets at performing good sound quality at the cost of higher bandwidth consumption�
The bit rates are selectable at the following rates: 16Kbps, 32Kbps, 48Kbps, 64Kbps, 96Kbps
and128Kbps�
■
GSM-ARM is designed to optimize speech quality and requires less bandwidth� The bit
rates are selectable at the following rates: 4�75Kbps, 5�15Kbps, 5�90Kbps, 6�7Kbps, 7�4Kbps,
7�95Kbps, 10�2Kbps and 12�2Kbps�
NOTE :
► The Network Camera offers two inputs to capture audio - internal microphone or external
microphone. You can use the internal microphone to capture audio around the Network