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    HD-58X Digital noise reduction pointing pickups

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      Pointing characteristics: directional type
      Indoor and outdoor: indoor installation
      Shell material: aluminum alloy
      Installation: Ceiling mounting, wall mounting, desktop mounting
      Industry applications: judicial prisons, financial banks, public prosecut
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    1、Array directional digital pickups designed for interrogation rooms, banks, classrooms, service windows counter synchronous audio and video recording and tailor-made boutique design.

    2, quot;Delta Beam" and floating point phase patented technology, assembled with two platinum sound head, can easily obtain a flat frequency response.

    3, directional array structure, with a sharp sense of the front, to provide a narrow angle of super pointing performance.

    4, dual-core digital noise reduction core, ATDA dynamic noise level detection, adaptive band-pass filtering.

    5, "Wide dynamic range compression" patented technology, to achieve WDRC wide dynamic range compression.

    6, D.A.D.S. (double-layer air buffer system) structure design, reproduce the voice stretching freely.

    7, MINI DSP audio processor, fully capture the complete, clear voice sound.

    8, sound interference principle structure, with a sharp sense of the front, providing a narrow angle of super pointing performance.

    9, pickups on both sides to the rear have excellent anti-noise capability, while eliminating surrounding noises.

    10、Professional automatic noise recognition processing technology, clear sound, bright, strong sense of rhythm.

    11、High fidelity, high sensitivity, high bandwidth, low noise, built-in efficient exciter, perfect combination of fashion and technology.

    12, -40 ℃ ~ 75 ℃ super ambient temperature work to ensure that the back end of high-quality recording effects.

    13, integrated professional SMT audio processor, can directly drive active speakers, hard disk recorders, recorders, etc.

    14, through the Ministry of Public Security and Police Electronic Product Quality Testing Center test.

    15、Obtained the patent certificate of the State Intellectual Property Office of the People's Republic of China.

    16、Won the computer software copyright of the National Copyright Administration of the People's Republic of China.

    17、Passed the EU environmental protection ROHS directive 2002/95/EC construction specification.

    18、Passed the EU CE standard and the construction specification of synchronous recording system of the highest prosecution.

    Pickup range: 1 ~ 5 meters (continuously adjustable)
    Pickup tone head: professional recording interview microphone
    Pointing characteristics: cardioid pointing enhancement
    Sensitivity: -46dB (1 kHz@94dB SPL)
    Signal-to-noise ratio:80dB (1 kHz@94dB SPL)
    Distortion:≧ 0.3% (74dB SPL, A-weighted)
    Maximum Sound Pressure:120dB SPL (1 kHz ≤ 3% THD, A-weighted.)
    Frequency Response:20Hz ~ 20kHz (1 kHz @ 94dB SPL)
    Output level: 2.5Vpp/ (1 kHz@94dB SPL A-weighted)
    Voice platform: MINI DSP audio processor
    Software method: DSP voice noise reduction algorithm (soft copy 0421337)
    Noise reduction capability: 10dB ~ 15dB (adaptive noise reduction)
    Protection circuit: polarity protection, misconnection protection, lightning protection
    Connection: three-wire system: power line (red), audio (white), common ground (black)
    Signal transmission: 3000 meters twisted pair, shielded cable (electromagnetic complex environment please use shielded cable or transmitter)
    Supply voltage: linear regulated power supply DC 9V-15V (12V recommended)
    Power supply current: 25 mA
    Operating environment: -40 ℃ ~ 75 ℃
    Electromagnetic compatibility:Compliant with GB 9254-2008
    Reliability index: MTNF≧80000hours
    Overall Dimension:58mm(Diameter)×40mm(Height)
    Comply with the standards: in line with the standard EU CE standards, the United States FCC certification, the Supreme Court synchronous recording system construction specifications

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