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GNT: » Hội nghị truyền hình 09.12.2021 00:18
Polycom® HDX® 4000 Series
02.08.2010 19:27

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Đầy đủ tính năng đa phương tiện với màn hình 2.1” HD và loa ngoài mạnh mẽ. Video có độ nét cao ở độ phân giải 1280x720 (720p). Hỗ trợ chia sẻ nội dung – Polycom sử dụng công nghệ chia sẻ đồ họa, thuyết trình và phương tiện truyền thông giàu nội dung chuẩn HD – các hệ thống HD.

 

 

                       

                                                     HDX® 4000 Series

Package Includes

·        Polycom HDX 4002 (HD) or HDX 4001 (SD) and cables (bundledpackages available)

Video Standards & Protocols

  • H.264

  • H.263++

  • H.261

  • H.239/ People + Content

  • H.263 & H.264 Video error concealment

People Video Resolution

  • 720p, 30fps at 832 Kbps – 4 Mbps (HDX 4002)

  • 4SIF (704x480)/ 4CIF (704x576) at 256 Kbps – 832 Kbps (HDX 4002)

  • 4SIF (704x480)/ 4CIF (704x576) at 256 Kbps – 4 Mbps (HDX 4001)

  • SIF (352x240), CIF (352x288)

  • QSIF (176x120), QCIF (176x144)

Supported PC Input Resolutions

  • 1680x1050, 1280x1024, 1280x720, 1024x768, 800x600

  • Content Sharing: People + Content IP (included), People + Content (TM) and People on Content (TM) (optional)

Display

  • 20.1” Widescreen LCD display

  • 1680x1050 Native resolution

  • 16.9 Aspect ratio

Camera

  • 5 megapixel camera

  • 1280x720 video capture resolution

  • 65° FOV min

  • 2X digital zoom

  • EPTZ camera control

  • Privacy shutter

 

Speakers

  • Frequency range: 85Hz – 20kHz

  • Four buit-in speakers

 

HDX® 4000 Series

 

Audio Standards & Protocols

  • Polycom StereoSurround™ 
  • 22kHz bandwidth with Polycom Siren™ 22
  • 14kHz bandwidth with Polycom Siren 14 , G.722.1 Annex C
  • 7 kHz bandwidth with G.722, G.722.1
  • 3.4 kHz bandwidth with G.711, G.728,  G.729A
  • Automatic Gain Control
  • Automatic Noise Suppression
  • Instant Adaptation Echo Cancellation
  • Audio Error Concealment
  • Headset input for privacy
  • Keyboard noise reduction
  • Live music mode

Other ITU-Supported Standards

  • H.221 communications
  • H.224/H.281 far-end camera control
  • H.323 Annex Q far-end camera control
  • H.225, H.245, H.241, H.331
  • H.239 dual stream
  • H.231 in multipoint calls
  • H.243 chair control
  • H.460 NAT/firewall traversal
  • BONDING, Mode 1

User Interface

  • Directory Services
  • System Management
    - Web-based
    - SNMP
    - Polycom Converged Management  Application™
  • CDR
  • International languages (17)
  • Wildcard language tool
  • USB Software Update
  • Microsoft® Office Communications Server 2007 integration

Network

  • Interfaces
    - 2-port 10/100 auto NIC switch, RJ45 connectors
    - RJ11 analog phone connector
  • H.323 and/or SIP up to 4 Mbps
  • RS232
    - Data pass-through
    - Closed caption
  • H.320 (Optional)
  • Polycom Losr Packet Recovery™ (LPR™)
    - Reconfigurable MTU size (IP only)

     

Security

•    Secure Web

       Security mode

•    AES FIPS 197, H.235V3 and H.233/234

       FIPS 140-2 Validation Cerfiticate (#918)

       IPv6 (DISA)

       www.polycom.com/govcerts

       Secure password authentication

 

Options

•    MPPlus internal multipoint software for up to 4 sites

        4 Mbps pt-to-pt calling

 

Physical Characteristics

•    HDX 4000 LCD with stand

- Display: 20.1” (H) x 21.9” (W) x 9.3” (D)

- LCD 20.1” diagonal

- Stand: 12.8” (W) x 9.2” (D)

• HDX 4000 Base Box with removable stand

- 13.87” (H) x 5.08” (W) x 11” (D)



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