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GNT: » Hội nghị truyền hình 15.06.2021 14:05
Polycom PVX v8.0.2
06.08.2010 15:49

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Phần mềm ứng dụng cho khâu cuối cùng của hội nghị truyền hình. Công nghệ phần mềm ứng dụng hàng đầu của Polycom cung cấp âm thanh, video chất lượng cao và chia sẻ nội dung với PC, máy ảnh, USB của bạn.

- Audio: 3,4kHz, 7 kHz hoặc 14 kHz tự động lọc tiếng ồn, vọng (ANS).

- Voice over IP (VoIP): Hỗ trợ bằng giọng nói khi có cuộc gọi đến.

- Video: H.261, H.263, H263+, H.264: Điều chỉnh độ sáng tự động hoặc điều chỉnh bằng tay.

                          

                              Polycom PVX v8.0.2

Communications Protocol

• H.323

• SIP

Audio

• 14kHz with Polycom Siren 14

• 7kHz with G.722, G.722.1

• 3.4kHz with G.711, G.728, G.729A

• Full Duplex Audio

• Echo Cancellation

• Automatic Gain Control (AGC)

• Automatic Noise Suppression (ANS)

Voice over IP (VoIP)

• Supports voice-only calls to and from VoIP endpoints

Video

• H.261, H.263, H.263+, H.264

• Multiple Monitor Support — must be supported by PC video card

• Picture-In-Picture (PIP)

• Video-only mode with Toolbar operation

• Brightness control — automatic or manual adjustment to near side video image

People Video Resolution

• VGA (640x480) – High resolution webcam

• Half-VGA (320x480)

• CIF (352 x 288 pixels)

• SIF (352 x 240 pixels)

• QCIF (176 x 144 pixels)

• QVGA (160 x 120 pixels) – Native Web camera resolution

• H.261 Annex D images

Content Video Resolution

• Show PC desktop as Content:

- Capture – Native resolution of computer desktop

- Transmit and Receive – XGA (1024 x 768)

• 4CIF (704 x 576 pixels)

• CIF (352 x 288 pixels)

People+Content Features

• People+Content and H.239

• Dual Images (view people and high resolution content simultaneously)

• Dynamic bandwidth allocation

• Dynamic system resource allocation

Data

• T.120, Integrated Microsoft® NetMeeting®

- Application sharing

- Whiteboard

- File transfer

- Chat

• H.323 Annex Q far-end camera control

Security

• H.235 v3 AES encryption

• Admin lock-down of configuration pages 

Cameras Supported

• Recommended: GlobalMedia iREZ K2 Camera USB 2.0 (supports VGA @30fps)

• Logitech® QuickCam® Pro 4000

• Logitech QuickCam for Notebooks Pro

• Logitech QuickCam Orbit

K2 Camera Specifications

• Operating Systems: Windows 2000, XP

• Image Sensor Size: 1/3"; 0.35 Megapixels

• Resolution: Up to 640x480

• Focus Distance: 5cm to Infinity

• Field of View: 54º

• Colors: Up to 32 bits RGB

• Frame Rate: Up to 30 fps at 640x480 (VGA)

• USB Cable Length: 2 metres

• Manual Focus

• Auto White Balance

• Auto Exposure Control

• LED Indicator

Network Interface

• IP LAN

• Cable modem

• DSL

Directory Services

• Supports Polycom Global Address Book

• Support for Active Directory

- Internet Locator Service (ILS)

- LDAP through Polycom Global Address Book

• Supports Local Address Book

- Speed Dial List

- Most Recently Called List

- Missed Call List

Dialing Capabilities

• DNS alias

• E.164 extension

• IP address

• H.323 external gatekeeper, gateway, and MCU support

• Cisco® CanMapAlias

• SIP URI

Call Transfer

• Transfer to another H.323 endpoint

• Transfer to another voice/video endpoint using Empty Capability Set

Call Forwarding

• Forward on busy

• Forward on no answer

• Unconditional Forward

Conference-on-Demand

• Create unscheduled multipoint calls with Polycom PathNavigator and MGC™ bridge Quality of Service (QoS) and experience - iPriority™

• Video error concealment for smooth video in high packet loss networks

• IP Precedence (ToS)

• Differentiate Services (DiffServ) (CoS)

• Network Address Translation (NAT) support

• Automatic NAT IP address discovery

• Dynamic bandwidth allocation

• Automatic gatekeeper discovery

• Configurable fixed port ranges

• Lip synchronization

• Packet reordering and dejittering

• Asymmetric call speed

• Universal Plug & Play (UPnP) firewall traversal

Polycom GMS Support

• Support for Polycom Global Management System

- Software update

- Call detail records

Minimum System (PC) requirements

·    H.263 video PIII 1GHz/P4;  1.2GHz and above 1800+ Athlon XP

·    H.264 video P4 1.5GHz and above 1800+ Athlon XP

·    People+Content P4 2.2GHz and above 2200+ Athlon XP

·    OS supports Windows XP SP2

·    Other Microsoft DirectX 10 software requirements Windows Media ® Player 10 Memory 256 MB RAM (512 MB recommended)

·    Storage 100 MB available hard disk space

·    Display SVGA display (800x600) 16-bit color or higher

·    Network 64 Kbps and above (Cable, DSL, or LAN)

Language Support

• Chinese (Simplified and Traditional), English (American and British), French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, and Russian



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