VIVOTEK
User's Manual - 87
Media > Audio
Audio Settings
Mute: Select this option to disable audio transmission from the Network Camera to all clients. Note
that if muted, no audio data will be transmitted even if audio transmission is enabled on the Client
Settings page. In that case, the following message is displayed:
Internal microphone input: Select the gain of the internal audio input according to ambient
conditions. Adjust the gain from +21 db (most sensitive) or -33 db (least sensitive).
External microphone input: Select the gain of the external audio input according to ambient
conditions. Adjust the gain from +21 db (most sensitive) or -33 db (least sensitive).
Audio type: Select audio codec and the sampling bit rate .
■ G.711 also provides good sound quality and requires about 64Kbps. Select pcmu (μ-Law) or
pcma (A-Law) mode.
■ G.726 is a speech codec standard covering voice transmission at rates of 16, 24, 32, and 40kbit/
s.
When completed with the settings on this page, click Save to enable the settings.
The available audio input can vary depending on whether you use an
I/O extension module.
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