This series product is suitable for the environment of high synchronization audio/video record quality such as public security, finance, education, building, energy sources, procuratorate, court, etc. It meets the audio collection requirements from the near distance in the indoor/outdoor environment, and the audio collection in the quiet or noisy scenario. Especially in the large hall or lobby (such as bank or administrative affairs hall), the noise from the scene and the continued echo resulting from the acoustic reflection may result in low audio recognition rate. This series product has the designated design on the structure, hardware, software and son on, which effectively solve the acoustic problem in the actual environment, and present the generally reliable audio/video surveillance experience.

Specifications

CPU built-in audio sampling module, low interference from the hardware
circuit, audio signal has low noise
·Smart audio crack protection, auto low microphone sensitivity to meet
the requirements of the high volume to reduce audio crack.
Adopts wide dynamic range processing technology for the valid audio
signal, balances the processing of high audio and low audio.
High-sensitivity microphone, omni-directional pickup, clear audio, high
anti-inference capability,
Noise reduction via the algorithm to enhance signal definition.
Auto gain and compensate the human voice frequency. Exaggerates the
human voice in environment of lots of noise and can present the clear
voice.
It can effectively reduce the indoor reverberation resulting from the
reflection via the wall, ceiling.
It supports screaming control function and can greatly enhance the
speaker effect when the pickup and the loud speaker are in the same
environment.
Built-in high-speed CPU, real-time processing audio signal, low latency.
Built-in lighting protection, power two-polarity misconnection protection, static electricity protection.
CE, FCC compliance.

DAHUA®|HAP200|3 YR WTY. High Fidelity Microphone, Omni Directional, 10-100m2 pick up scope, 12vDC

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