HUAIN Anti-Recording Dual Diaphragm Conference Unit for Discussion Room HY-SS330D

Model: HY-SS330D

Star series - new minimalist style, full aluminum alloy body design, equipped with anti-theft radar independent switch design.
The essence of DSP/DDOV digital conferencing technology, realizing high-fidelity sound quality and intelligent noise reduction, significantly reducing background noise and enhancing the clarity of sound pickup.

DSP/DDOV technology

- Adopting advanced and stable FPGA pure domestic chip, DSP/DDOV digital conference technology to realize digital signal transmission and processing;

- Comply with GB4943.1-2022 audio and video, information technology and communication technology equipment safety requirements standards;

Dual-diaphragm pickup head

- Built-in 2 × 14 mm high-fidelity gold-plated capacitive dual-diaphragm pickup head, based on the improved variable step DDCS adaptive algorithm for noise reduction pickup method, which can significantly reduce the background noise, improve the signal-to-noise ratio and pickup clarity;

Zinc aluminum alloy microphone pole

- Zinc-aluminum alloy microphone pole, unique cavity and unibody all-encompassing pickup stencil design, can accurately control the pickup angle, to avoid acoustic feedback and whistling, to support the dual-pickup head transverse array technology;

- The microphone pole adopts 32,500 0.4mm diameter high-density acoustic interference holes, accurate calculation of aperture diameter and spacing, combined with interference correction technology to accurately control the pickup details, effectively improve the human voice frequency range pickup sensitivity;

Anti-Theft Function

- Adopting self-developed ultrasonic interference and diffraction technology, it has the function of antitheft, which can avoid the leakage of audio recording and communication audio from non-normal recording equipment;

- With 360 ° omnidirectional acoustic shielding design, effectively blocking the recording equipment, no electromagnetic radiation, for security escort;

- Irregularly recorded audio can not be restored by ultrasonic interference and diffraction, thus protecting the conference content from being leaked at the source;

Noise suppression circuit system

- With microphone noise suppression circuit system, based on the fifth-order Butterworth low-pass filter voice noise reduction method for denoising the sound signal;

8 conference modes

- Supports 8 conference modes: quantity limitation, first-in-first-out, last-in-first-out, chairman's permission (application to speak), voice control, time-limited speaking, queuing up to speak, and free discussion;

- The number of speakers can be set to 1-20, the chairman and VIP are not subject to the number of restrictions, the free discussion mode is not restricted to open all;

Super anti-interference ability

- With super anti-interference ability, can effectively isolate cell phones, radio waves, Bluetooth, WiFi and other signal interference, never produce noise when calling.