8.1.3.1 Audio
This audio function allows you to hear the sound from the camera or transmit your sound to the camera side. A two-way communication is also possible to be achieved with this feature. Alarm can be triggered when the audio input is above a certain alarm level you set, and configured audio can be played when an alarm occurs.
| Parameters | Function Introduction |
|---|---|
| Enable |
Check on the checkbox to enable audio feature. |
| Audio Mode | Audio Input/Audio Output/Both Audio Input & Output are optional. |
| Audio Input |
Denoise: Set it as On/Off. When you set the function on, the noise detected can be filtered. Encoding: G.711-ULaw, G.711-ALaw, AAC LC, G.722 and G.726 are available Audio Bit Rate: The function is available only for AAC LC, and supports up to 256kbps. Sample Rate: 8KHz, 16KHz, 32KHz, 44.1KHz, and 48KHz are available. Input Gain: Input audio gain level, 0-100. Alarm Level: Alarm will be triggered if voice alarm is enabled and input gained volume is higher than the alarm level, 1-100. |
| Audio Output |
Auto Gain Control: This function is only for H.265 series, improve the quality of audio Output Volume: Adjust volume of output |