VIVOTEK
User's Manual - 81
Media > Audio
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 even if audio transmission is enabled on the
Client Settings page. In that case, the following message is displayed:
External microphone input gain: Select the gain of the external audio input according to ambient
conditions. Adjust the gain value from 1 (least) to 100 (most).
Audio type: Select audio codec AAC or GSM-AMR and the bit rate .
■ AAC provides good sound quality at the cost of higher bandwidth consumption. The bit rates are
selectable from: 16Kbps, 32Kbps, 48Kbps, 64Kbps, 96Kbps, and 128Kbps.
■ GSM-ARM is designed to optimize speech quality and requires less bandwidth. The bit rates are
selectable from: 4.75Kbps, 5.15Kbps, 5.90Kbps, 6.7Kbps, 7.4Kbps, 7.95Kbps, 10.2Kbps, and
12.2Kbps.
■ G.711 also provides good sound quality and requires about 64Kbps. Select pcmu (μ-Law) or pcma
(A-Law) mode.
When completed with the settings on this page, click Save to enable the settings.
The network camera does not come with embedded microphone. An external microphone will be
necessary especially if you configure the Audio detection feature. By default, the Audio setting is
muted, and you need to manually uncheck the Mute option.
IMPORTANT!
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