How To Connect Verifact A To Ip Camera
Many multi-functional IP cameras accept audio input and output to provide audio monitoring and recording functionalities. To connect the microphone to IP camera'southward audio input is not every bit complicated as you expect. Notwithstanding, in addition to the audio connection, the microphone requires ability supply to work in many cases.
There are two types of microphones: Agile and Passive.
- Agile microphones have a built-in pre-amp, and crave ability to operate.
- Passive microphones do not take built-in amplifiers, however sometimes can require ability.
1# Connecting a microphone to IP cameras
Agile microphones
Depending on the pre-amp the microphone might require:
- 12VDC. In this case the microphone has to exist powered with a 12V DC power supply. These types of microphones are called LINE LEVEL MICROPHONES (Figure 1).
- ane.8VDC - 4.5VDC. In this instance the Microphone will be powered correct from the IP camera itself. These types of microphones are chosen MIC LEVEL MICROPHONES (Figure 2).
Depends on connector's type, the microphone connection may use a 3.5mm stereo jack or RCA connector.
After the microphone has been successfully continued to the photographic camera, users need to change the photographic camera settings to enable audio recording.
Taking Hikvision IPC every bit an example, users need log in to the camera:
Go to "Advanced Setting" > "Video/Audio" > "Sound" > change the microphone type to "LINE IN" if using a line level microphone, or change the microphone type to "MIC IN" if using a mic level microphone.
two# How to choose microphones for video surveillance?
By the way, you may demand to choose a suitable microphone for audio monitoring. Typically, users need to know two specifications when selecting the microphone.
microphone types
- Omni-directional - the microphone can collect the sound from every corners (360 degree bending).
- Unidirectional - A unidirectional microphone is sensitive to audio from merely one management.
microphone sensitivity
It'due south recommended to choose a loftier sensitivity, loftier signal to dissonance ratio microphone for audio monitoring and recording. If y'all decide to DIY a microphone, y'all can choose WM-61A Omni-directional Back Electret Condenser Microphone Cartridge which provides -35+/-4dB loftier sensitivity.
Product Instance: Louroe A-ML microphone
Louore is the globe leader in the audio security industry, providing commencement-class sound monitoring for security applications. Verifact A-ML is an indoor ceiling-mountable monitoring microphone, it adopts Omni-management and low impedance, electret condenser microphone to provide crystal clear audio. This microphone is housed in a high-meaty ABS dome like structure, the A-ML offers the standard selection-up pattern is about 15' from the microphone location in all directions or within a 30' diameter circle. Information technology comes with a 20' cable with a stereo plug on one end for direct connecting to the audio input of an IP camera.
3# How to choose the right Mic cables?
The signal from Microphone is very weak, audio signal tin can be easily interfered. To avoid the interference, the microphone cable should exist equally brusque every bit possible. Ensuring the high quality audio monitoring, the microphone cables must exist shielded and balanced mic cable.
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Source: https://www.unifore.net/ip-video-surveillance/how-to-connect-a-microphone-to-ip-cameras.html
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