What does "bi-directional audio" mean in network cameras?

Bi-directional audio in network cameras refers to the capability to both transmit and receive audio signals. This means that not only can the camera pick up sounds from its environment, allowing for audio input, but it can also send audio out, allowing for real-time communication through the camera. This feature is particularly beneficial in applications such as intercom systems, security monitoring, or live streaming, where communication between the camera and a user is required.

By enabling two-way audio, users can interact with individuals present near the camera, making it a powerful tool for remote monitoring and communication. This technology enhances the functionality of network cameras beyond mere video surveillance, providing a more interactive experience.