Enabling audio on your DVR or NVR Step 1) Select Main Menu. Step 2) Select option for Camera. Step 3) Select Encode from the left hand menu, and the top tab. Step 4) Select check box for Audio Video for Main Stream. Step 5) Select Audio Video Recording checkboxes for Extra Stream. Most modern Wi-Fi cameras (also called IP cameras) come with built-in microphones, which they use for three purposes: Capture audio while recording video footage of a motion detection event. Recording audio can reveal useful information not captured on video, like arguments with a person out of frame or the sound of a vehicle driving away. In 2010, it was the top digital video recorder provider in the world thanks to its network of surveillance cameras, which use DVRs to record the footage. Overseas sales made up 27% of its $12.42 Mar 12, 2022. #2. Best bet is to use the audio out on the nvr and connect into a amp. The speakers built into most cameras a horrible its basically the same speaker that is used in a cell phone. you can get a small amp from amazon and a bullhorn style speaker and that should be enough to get someones attention. TonyR and sebastiantombs. There is a small selection of Hikvision cameras that support some sort of audio - audio I/O, built-in mic, 2-way audio - but on multiple occasions Hikvision Wi-Fi Series Network Cameras: enable easy installation and transfer stable, high-quality video with Wi-Fi. Explore Now! .

do hikvision cameras have audio