Explanation of the possibilities when there is no audio from a security camera
The camera itself has no audio function: Some surveillance cameras are specialized in video functions and do not have built-in microphones or speakers, so they cannot record or play audio. When choosing a surveillance camera, you need to check whether you need audio function. The recording device or device connected to the camera has not enabled the audio recording function:...
We will explain in detail why surveillance cameras become less effective at night after being used for a long time.
Surveillance cameras are electronic products, and as the period of use progresses, the internal electronic components will also gradually deteriorate, which may affect the image quality. But why, after a long period of use, the surveillance camera is still within an acceptable range during the day, but its performance at night is poor? First, we need to understand the struct...
