UNV-FAQ-IPC How do I set up Audio Encoding?
Note: Only some certain models support this function. Please see the actual model for details.
1. Click Setup > Video & Audio > Audio.
2. Modify the settings as required. The following table describes some major parameters.
|Audio Input||No audio data will be encoded when Off is selected.
It is recommended to select Off if you do not need audio. This can improve device performance to some extent.
|Access Mode||Currently only Line/Mic.
This function is not available to devices with two audio output channels.
|Audio Compression||Three options: G.711U, G.711A and ACC-LC.
G.711U and G.711A support 8K sampling rate only, and ACC-LC supports 8K, 16K and 48K sampling rates.
|Input Gain||Audio signal amplification for sampling. The greater the gain, the greater amplification.|
|Noise Suppression||Used to reduce noise in images. To enable noise suppression, select On.|
|Channel||Audio output channel. To enable audio output, select Enable.
Only some camera models support two channels.
3. Click Save.
Audio input, audio compression, G.711U, G.711A, ACC-LC, audio signal amplification