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VIVOTEK
58 - User's Manual
■ Video quality
The video quality can be adjusted to the following settings: Medium, Standard, Good, Detailed, and
Excellent. You can also select Customize and manually enter a value.
NOTE
►
Video quality and fixed quality refers to the compression rate, so a lower value will produce higher
quality.
►
Converting high-quality video may significantly increase the CPU loading, and you may encounter
streaming disconnection or video loss while capturing a complicated scene. In the event of occurance,
we suggest you customize a lower video resolution or reduce the frame rate to obtain smooth video.
Audio Settings
Mute: Select this option to disable audio transmission from the video server 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:
Internal microphone input gain: Select the gain of the internal audio input according to ambient
conditions. Adjust the gain from +21 db (most sensitive) ~ -33 db (least sensitive).
Audio type: Select audio codec AAC or GSM-AMR and the bit rate
Advanced Mode
.
■ 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 a pulse sampling rate at 64Kbps. Select pcmu
(μ-Law) or pcma (A-Law) mode.
When completed with the settings on this page, click Save to enable the settings.