Polycom 产品介绍(二)

Polycom特色功能介绍、演示POLYCOM2010-7目录一、操作便捷，易于使用 (3)1、拨号按键中文语音提示 (3)2、中文标识回显遥控器 (3)3、数字全向立体声宽频麦克风 (3)4、终端电视界面、Web登录界面全中文语言 (4)5、全自动参数协商 (4)6、无线双流应用 (5)7、便捷电话参会 (5)8、专业会议保障通信系统应用 (6)9、将高质量的会议室视频扩展至个人桌面 (7)二、极佳的音视频效果与强大的功能应用 (8)1、新一代高性能的高清编解码器 (8)2、高保真宽带立体声 (9)3、超级高清视频 (10)4、高清双流应用 (11)5、超级双流PoC应用 (11)6、1:1音频备份应用 (13)7、会场图像预监应用 (13)8、高清组播应用 (14)9、恶劣网络环境中的纠错技术应用 (14)10、AES加密的安全会议应用 (15)11、灵活完善的终端自主控会应用 (16)12、中文字幕应用 (17)13、定制轮训应用 (18)三、全面的高清解决方案 (18)1、业界最佳的高清桌面终端HDX 4000 (20)2、业界唯一的1080P/720P高清录播服务器 (21)3、视频会议终极应用：POLYCOM远真 (23)4、领导及员工桌面普及应用 (26)5、系统可靠保障之双机热备应用 (27)四、全面的系统管理与会议调度 (28)1、VC2 全新一代视频会议应用 (28)2、全面的远程集中管理CMA4000/5000 (29)3、灵活实用的本地化会议调度管理系统 (30)一、操作便捷，易于使用1、拨号按键中文语音提示在输入远程号码进行拨号时, 系统可以用语音来提示按键的号码。

不必按键后频繁抬头看电视屏幕。

2、中文标识回显遥控器全中文操作界面的遥控器，带有液晶显示，可提示操作内容，并且提供全语言的命令功能提示（包括中文）。

并且可支持遥控器进行设备的电源开关机，方便机房与显示设备间有较长距离的设备开关控制带液晶显示遥控器支持遥控器电源开关机命令功能语音提示–本地语言全中文汉字标识遥控器3、数字全向立体声宽频麦克风POL YCOM高清终端麦克风是业界品质最优的一款360度全向数字麦克风，支持22KHZ的高保真音质，环绕立体声等。

Polycom特色功能介绍、演示POLYCOM2013-3目录一、操作便捷，易于使用 (3)1、智能化遥控 (3)2、全向数字拾音 (3)3、全中文应用 (4)4、全自动参数协商 (5)5、电话应急参会 (5)6、自动语音跟踪智能导播摄像机 (6)7、平板电脑智能配对会控 (7)二、一流效果，极佳体验 (8)1、全系统H.264 HP高清流畅视频 (8)2、全系统ITU G.719立体声高保真原声传送 (9)3、超级高清视频 (9)4、无线双流应用 (11)5、超级双流应用 (12)6、手写双流 (13)7、中文字幕应用 (13)8、定制轮训应用 (14)9、智能双流控制应用 (15)10、高清组播应用 (16)11、自助会议应用 (17)三、全面的方案，独到的设备 (19)1、专业UC通讯公司，完善的架构设计 (19)1、最佳的领导及员工桌面应用 (20)2、最佳的移动应用 (21)3、业界最强大的1080P高清录播和内容分发系统 (22)4、业界“最真”的远真应用 (25)5、业界最优秀的会议室集成应用 (27)6、全面、深度的第三方互通协作 (29)四、完善的备份，可靠的会议 (30)1、高效音视频纠错应用 (30)2、专业会议保障 (31)3、双机热备应用 (33)4、音频备份及音视频资源共享 (34)5、会场预监应用 (34)6、安全会议应用 (35)五、综合管理，灵活调度 (36)1、全面的远程集中管理CMA4000/5000、RPRM (36)2、资源虚拟化管理和调度服务器DMA 7000 (37)3、灵活实用的本地化会议调度管理系统 (38)一、操作便捷，易于使用1、智能化遥控－用户体验最好的中文遥控您是否遭遇过如下烦恼：需要输入中文时，才发现遥控器全是英文标识的？输入完一行后，才发现前面或中间有输错的情形？刚做了一个操作，却忘了做了些什么？想关闭终端电源，却发现终端在机柜或控制室?。

Polycom® HDX® 4000 系列一流的桌面会议，延伸Polycom® UltimateHD™技术的好处∙20.1 英寸高清屏幕、强力扬声器，真正的多媒体体验∙真正高清视频，分辨率为 1280x720 (720p)∙Polycom Siren™22 立体环绕音频，通话真实、自然∙以原始分辨率，共享CAD 图纸、电影、图像、电子表格及其它内容∙在注册 Polycom Converged Management Application™ (Polycom CMA™) 解决方案时，拨号和目录搜索更加简便∙∙∙∙∙∙∙查看更多图片1/7∙上一个∙下一个∙高清视频、音频与内容，极致高清体验∙管理、计划和提供包含 Polycom CMA 解决方案的 Polycom HDX 4000 系列∙当标准化的状态服务能力与 Polycom CMA 解决方案一起使用时，只需单击即可拨号到其它终端，包括桌面视频应用和融入式远程呈现会议室∙具备 VoIP 或模拟免提电话能力∙具备私密功能，可连接第三方头戴式耳机和话筒∙分为两种型号，HDX 4001 提供标准清晰度的视频分辨率，而 HDX 4002 则提供全面的UltimateHD™体验，具备高清视频质量Polycom® HDX® 8000 系列对于了解高质量视频和音频通讯的企事业单位和企业，Polycom HDX 8000 系列可提供一个超凡的视频解决方案。

∙以高清语音、高清视频和高清内容等 UltimateHD 技术，带来极致的性能∙使用基于标准的H.264 High Profile 技术可在最低 512 kbps 带宽下获得难以置信的高清视频质量∙带Polycom 开放协作网络的集成解决方案∙业界领先的独特选项，用于在会议中共享数据∙在单个高清、立体声音频的会议中，内部 MCU 最多支持四名与会者∙在注册 Polycom Converged Management Application™ (Polycom CMA™) 解决方案时，拨号和目录搜索更加简便∙∙上一个∙下一个∙另一视图∙先进的高清视频技术，提供自然流畅的动画和清晰鲜明的图像，达到 4CIF、720p30/60 或 1080p 的出色视频效果∙管理、计划和提供包含 Polycom CMA 解决方案的 Polycom HDX 8000 系列∙当标准化的状态服务能力与 Polycom CMA 解决方案一起使用时，只需单击即可拨号到其它终端，包括桌面视频应用和融入式远程呈现会议室∙Polycom StereoSurround™技术，采用 22kHz 音频，多方通话时也可提供自然、清晰的语音∙采用 Polycom 的 Lost Packet Recovery™ (Polycom LPR™) 技术，在您的网络上或公共互联网上实现高质量的视频呼叫∙以独特的方式与远程站点共享内容，包括共享 PC 数据和其它视频源的信息∙Polycom HDX 媒体中心还可提供交钥匙方案Polycom® HDX® 7000 系列适用于那些重视为团队成员配备有益的会议与沟通手段，以利于团队成员在充分掌握相关知识与信息的基础上做出决策的机构。

Why Polycom VoIP?• Polycom is the leading independent supplier of standards-based IP telephones.• To offer you a choice of end-to-end, integrated VoIP solutions , Polycom ensures that your Polycom phones are fully interoperable with leading standards-based IP PBX and Softswitch platforms 1.• Polycom’s comprehensive product portfolio encompasses the SoundPoint ®IP family of desktop phones, the attendant console based on the SoundPoint IP 601/650 and Expansion Module, and the SoundStation ®IP 4000 conference phone.Features and Benefits Outstanding Voice Quality• Polycom’s revolutionary HD Voice ™technology delivers voice communications of life-like interactivity, richness, and clarity*:- Exceptional sound quality, echo cancellation, and noise reduction - Support of G.722 wideband codec- Interactive two-way conversations that are as natural as being there- Polycom full-duplex 2speakerphones are compliant with IEEE 1329 standards • Network-related provisioning for superb voice quality:- Quality of Service – IEEE 802.1 p/Q, Layer 3 TOS, and DSCP 3- Dynamic jitter buffer- Sophisticated packet loss concealment algorithms Enhanced Call Handling, Security, and • Support of up to 24 simultaneous calls on up to 12 lines Advanced Applications 4, 5• Shared call / bridged line appearance • Busy Lamp Field (BLF)• Multiple call- and flexible line appearances• TLS security 3, encrypted configuration files 3, HTTPS secure provisioning 7, support of “signed” software executables 7, URL syntax for boot server address, and digest authentication•Microsoft ®LCS 2005 interoperability for telephony and presence 3- Compatibility with Microsoft Office Communicator and Windows ®Messenger 5.1 clients•XHTML micro-browser for productivity-enhancing Web-based applications 8Ease of Use• Polycom IP phones provide an easy transition from legacy PBX and Key Systems to the world of IP communications:- Intuitive user interface- Easy-to-read, high-quality LCD displays with up to 320x160 pixel resolution - A combination of up to 26 dedicated hard keys and up to 4 context-sensitive soft keys for one-touch access to essential featuresEfficient Installation, Provisioning, and Ugrades • Polycom IP phones are designed to make installation, configuration, and upgradesas simple and efficient as possible:- Centralized provisioning and upgrades from an FTP , TFTP , HTTP 7, or HTTPS server - Support of provisioning 3 and call server redundancy - Manual or DHCP set-up. Web configuration- Lower cabling expenses: dual-port 10/100 Mbps Ethernet switch for LAN and PC connection 9- Choice of powering options: AC adapter or Power over Ethernet Investment Protection• Polycom IP phones can be upgraded to new firmware in the field so as to consistently meet your business communication needs as protocols develop and standards evolve • Polycom IP phones are standards-based, so there is no need to replace them when upgrading or replacing your standards-based call server* Currently available on SoundPoint IP 650 and 550. In some calling scenarios, such as IP to PSTN, Polycom HD Voice will not be available and the call will progress in narrowband instead.1Please visit /techpartners.htm for a full list of supported IP PBX and Softswitch solutions.2The SoundPoint IP 301 has a monitor-only speakerphone.3Requires SIP version 2.0.x or higher.4Most features must be supported by the call server. Please contact your IP PBX / Softswitch vendor or service provider for a list of supported features.5Not all Polycom VoIP phones support all features. Please refer to the product documentation for details.7Requires BootROM 3.0.x or higher.8Not available on the SoundPoint IP 301.9The SoundPoint IP 320 and SoundStation IP 4000 have a single 10/100 Ethernet port.Polycom ®IP TelephonesQuick Reference GuideThe Power of a Network. The Simplicity of a Phone.7SoundPoint IP 550:Cutting-edge SIP feature set meets Polycom HD Voice■Application targets: manager's / professional's office ■4 lines■Integrated PoE support (IEEE 802.3af)■Polycom HD Voice for all audio paths■320 x 160 pixel backlit grayscale graphical LCD■26 dedicated hard keys, 4 context-sensitive soft keys ■SIPWW MSRP*: $369PERFORMANCEAt-a-GlanceRev. 03/07Polycom Headquarters:4750 Willow Road, Pleasanton, CA 94588 (T) 1.800.POLYCOM (765.9266) for North America only. For North America, Latin America and Caribbean (T) +1.925.924.6000, (F) +1.925.924.6100 Polycom EMEA:270 Bath Road, Slough, Berkshire SL1 4DX, (T) +44 (0)1753 723000, (F) +44 (0)1753 723010Polycom Asia Pacific:8 Shenton Way, #11-01 Temasek Tower, Singapore 068811 (T) +65.6389.9200, (F) +65.6323.3022© 2007 Polycom,Inc. All rights reserved.Polycom, the Polycom logo, SoundPoint and SoundStation are registered trademarks and HD Voice is a trademark of Polycom, Inc. in the U.S. and various countries. All other trademarks are the property of their respective companies. Specifications are subject to change without notice.* Subject to change without noticeSoundPoint IP 301:Entry-level two-linedesktop IP phone that delivers remarkable value■Application targets: common areas, warehouse ■2 lines■PoE support with optional cable ■Monitor-only speakerphone ■4 line x 20 character-based LCD■12 dedicated hard keys, 3 context-sensitive soft keys ■SIP , MGCPUS MSRP*: $180SoundPoint IP 501:Three-line desktop IP phone that delivers exceptional voice quality■Application targets: office, SOHO, hotel room ■3 lines■PoE support with optional cable■Full-duplex speakerphone with Acoustic Clarity Technology■160 x 80 pixel grayscale graphical LCD■24 dedicated hard keys, 4 context-sensitive soft keys ■SIP , MGCPUS MSRP*: $270SoundPoint IP 330 and 320:Entry-level IP phones with enterprise-grade features and outstanding voice quality■Application targets:- Cubicle, call center (SoundPoint IP 330)- Common areas, dorm rooms, wall-mounted deployments (SoundPoint IP 320)■2 lines■Integrated PoE support (IEEE 802.3af)■Full-duplex speakerphone with Acoustic Clarity Technology ■102 x 33 pixel graphical LCD■15 dedicated hard keys, 3 context-sensitive soft keys ■Two-port 10/100 Ethernet switch (SoundPoint IP 330)■Single 10/100 Ethernet port (SoundPoint IP 320)■SIPWW MSRP*: $179 (SoundPoint IP 330)$139 (SoundPoint IP 320)SoundPoint IP 430:Full-duplex speakerphone, built-in PoE, and a graphical LCD■Application target: cubicle ■2 lines■Full-duplex speakerphone with Acoustic Clarity Technology■Integrated PoE support (IEEE 802.3af)■132 x 46 pixel graphical LCD■16 dedicated hard keys, 4 context-sensitive soft keys ■SIPWW MSRP*: $239SoundPoint IP 601:Six-lines, advanced functionality, and Expansion Module support■Application targets: manager’s office, telephone attendant's desk■6 lines (standalone) / 12 lines (with Expansion Module)■Integrated PoE support (IEEE 802.3af and Cisco Inline Power)■Full-duplex speakerphone with Acoustic Clarity Technology ■320 x 160 pixel grayscale graphical LCD■26 dedicated hard keys, 4 context-sensitive soft keys ■Support of up to three Expansion Modules (SIP only)■SIP , MGCPUS MSRP*: $399SoundStation IP 4000:The clear IP conferencing solution■Full-duplex conference phone featuring Acoustic Clarity Technology■10-ft. microphone coverage expandable to 20-ft.x 30-ft. with optional extension microphones ■PoE support with optional PoE Interface Module ■248 x 68 pixel backlit graphical LCD ■SIPUS MSRP*: $1,099SoundPoint IP Expansion Module:Turn the SoundPoint IP 601/650 into a high-performance attendant console■Application target: telephone attendant's desk ■14 illuminated keys configurable as a line key, or a speed dial with BLF■160 x 320 pixel grayscale graphical LCD ■Plug-and-play, hot-swappable■Cord-free, no AC adapter required – power and signaling are provided by the host phoneWW MSRP*: $299SoundPoint IP 650:High-performance IP phone with Polycom HD Voice ™■Application targets: executive office■6 lines (standalone) / 12 lines (with Expansion Module)■Integrated PoE support (IEEE 802.3af)■Polycom HD Voice for all audio paths■320 x 160 pixel backlit grayscale graphical LCD ■26 dedicated hard keys, 4 context-sensitive soft keys ■Support of up to three Expansion Modules ■USB port for future applications ■SIPWW MSRP*: $449ENTRY-LEVELMAINSTREAMATTENDANTCONFERENCE。

Polycom, Inc.1SAFETY AND REGULATORY NOTICES Polycom ® RealPresence ® Group SeriesThis document covers the following products:● Polycom ® RealPresence ® Group 300 System (Model: Group 300; Type: P001)● Polycom ® RealPresence ® Group 310 (Model: Group 310; Type: P001)● Polycom ® RealPresence ® Group 500 System (Model: Group 500; Type: P001)● Polycom ® RealPresence ® Group 700 System (Model: Group 700; Type: P002)● Polycom ® RealPresence ® Digital Brkout - Camera● Polycom ® RealPresence ® Digital Brkout - Codec● Polycom ® RealPresence ® Immersive Studio™ Camera (Model: P005)● Polycom ® EagleEye™ III (Model: MPTZ -9)● Polycom ® EagleEye™ IV 4x (Model: MPTZ -11)● Polycom ® EagleEye™ IV 12x (Model: MPTZ-10)● Polycom ® EagleEye™ IV -L● Polycom ® EagleEye™ Acoustic (Model: EPTZ -2)● Polycom ® EagleEye™ Digital Extender● Polycom ® EagleEye™ Producer● Polycom ® Touch Control● Polycom ® RealPresence Touch™ DeviceJuly 2019 | 3728-64323-014APlug Acts as Disconnect Device: The socket outlet to which this apparatus is connected mustbe installed near the equipment and must always be readily accessible.Follow existing safety instructions and observe all safeguards as directed. Installation must beperformed in accordance with all relevant national wiring rules.We recommend that you install an AC surge arrestor in the AC outlet to which this device is connected. This action will help to avoid damage to the equipment caused by local lightning strikes and other electrical surges.Class A Statements JapanChinaKoreaPolycom RealPresence Group 300 System (Model: Group 300; Type: P001)Polycom RealPresence Group 310 System (Model: Group 310; Type: P001)Polycom RealPresence Group 500 System (Model: Group 500; Type: P001)Polycom RealPresence Group 700 System (Model: Group 700; Type: P002)Polycom RealPresence Digital Brkout - CameraPolycom RealPresence Digital Brkout - CodecPolycom EagleEye III (Model: MPTZ-9)Polycom EagleEye IV 4x (Model: MPTZ-11)Polycom EagleEye IV 12x (Model: MPTZ-10)Polycom EagleEye Digital ExtenderPolycom EagleEye Producer Polycom RealPresence Touch주의또는경고문구(Caution or Warning)-콘센트에삽입된플러그에무거운물건을올리거나, 힘을가하지말것.-습기가많은장소및물이튈염려가있는장소에서사용하지말것.-젖은손으로플러그를만지지말것.-분해및개조하지말것.-기기근처에콘센트가있어야하고그콘센트에쉽게접근할수있어야할것.-제품을화기가까이에두지말것.TaiwanWarning!This is a Class A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures.Mexico Regulatory NoticesRussia Regulatory InformationCustoms Union (Russia, Belarus, Kazakhstan) Regulatory InformationInstallation InstructionsInstallation must be performed in accordance with all relevant national wireing rules.Battery UsageBefore its first use, charge the remote control battery. Insert the USB plug of the battery into a USB 2.0 port such as the one on your system. When the battery is charged, the LED light on the battery turns green.Do not short circuit batteries.Batteries should be treated and used in accordance with the battery manufacturer's guidance.Battery Caution and DisposalCAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.When the remote control battery has reached the end of its working life, remove it and take it to acollection point where it can be recycled or disposed of in an environmentally friendly manner. Donot dispose of the battery in a fire or in unsorted municipal waste.Details on recycling and disposal of batteries can be found at /batteries.Copyright Information© Polycom, Inc. 2019. All Rights Reserved.No part of this work may be copied for any purpose without the prior written permission of Polycom, Inc. Polycom, Inc. retains title to, and ownership of, all proprietary rights with respect to the software contained within its products. The software is protected by United States copyright laws and international treaty provision.Patent InformationThe accompanying product may be protected by one or more U.S. or foreign patents and/or pending patent applications held by Polycom, Inc.DisclaimerThis software is provided 'as is' with no explicit or implied warranties in respect of its properties, including, but not limited to, correctness and fitness for purpose.Trademark InformationPolycom®, the Polycom logo design, and the names and marks associated with Polycom’s products are trademarks and/or service marks of Polycom, Inc., and are registered and/or common-law marks in the United States and various other countries.All other trademarks are the property of their respective owners.。

POLYCOM VTX1000EX产品介绍（适用于150平方米以内的中、小型会议室）具有Acoustic Clarity技术的POLYCOM VTX 1000，在电话会议的技术领域是一次真正的飞跃。

是世界上第一个可以自识应每个会议环境的会议电话，为每一个与会者提供了高保真的清晰语音。

有了POLYCOM VTX 1000，与会者可以用平常的、自然的交谈水平说话，而且即使是在离麦克风0.5米到6米的范围内的大会议室内讲话也可以被远端会议室清晰的听到。

加上扩展麦克风组成POLYCOM VTX 1000 EX型，应用范围迅速增大，可满足超大型会议室的应用。

当两个POLYCOM VTX 1000被连接到一个呼叫中时，电话会自动以VTX宽频模式连接，连接的效果特别的清晰。

POLYCOM VTX 1000是针对未来设计的语音平台。

勿庸置疑，在全球范围内，POLYCOM VTX 1000是会议电话领域的第一选择。

突出特点●Acoustic Clarity技术提供同步自然交谈，业界最佳的全双工质量●无与伦比的房间覆盖能力从150平方米之内用一般音调讲话，可以被远端清晰地听见●革命性的话音质量世界上首部在普通电话线上传送宽频率范围音频的电话。

就象从黑白电视到彩色电视的进步一样！●内置的投资保护世界上首部允许你通过普通电话线远程下载新软件从而获得新特性和应用的会议电话●最大的配置灵活性有独立的输入/输出，高音/低音控制，针对多重应用而设计的内置麦克和扬声器控制，包含外置扬声器。

●轻松安装/简单易用从安装到开始会议只需十分钟！主要技术参数主机尺寸 (L x W x H)• 36.8 x 31.1 x 6.4 cm重量• 0.8 kg电源• 22VDC; 由接口模块供电显示• 高分辨率、背景光、图形化LCD呼叫ID• Bellcore类型1(需要网络支持)键盘• 12键电话键盘• On/off键，会议、静音、音量调节,菜单, 导航键• 3个由内容而定的键，包括重拨、保持主机扩音器• 频率响应：300-3300 Hz 窄频模式260-7000 Hz 宽频模式：• 音量:最大可调整到89分贝 (峰值，0.5米) 高/低音控制• 调整范围: ± 6 dB主机麦克风• 3个心型麦克风：80 Hz - 14 kHz主机接口• RJ-45: 有P8接口连接接口模块• RJ-11: 32 Mbps串连支持未来的扩展• 2 个扩展麦克风连接低音扩音器尺寸(L x W x H)• 2.22 x 1.31 x 2.32 cm重量• 2.61 kg规格•频率响应: 80 to 300 Hz（宽频模式）•电源: 110/220 V, 50/60 Hz包括特定国家使用的交流电缆接口模块尺寸(L x W x H)• 7.9 x 19.7 x 4.8 cm重量• 0.34 kg电源• 90 - 264 VAC, 50 - 60 Hz包括特定国家使用的交流电缆辅助音频输入• 类型: 电话接口• 功能: 可在Polycom无线麦克风和音频开/关之间切换• 可定义功能键的设置菜单输出• 类型: 电话接口• 功能: 连接低音扩音器、外置PA、记录输出和关闭之间切换可定义功能键的设置菜单通讯接口• 网络连接: 双路RJ-11 模拟PBX or PSTN接口• 语音模式-带宽：300 Hz 至 3.3 kHz 或80 Hz至7 kHz (point to-point)• 网络需求: 兼容标准的PSTN 和 PBX 网络, 符合G.711标准• 软件下载模式- 下载协议: 兼容V.34- 链接速率:最高到33 Kbps, 视线路而定- 下载服务器: Polycom下载服务器扩展麦克风• 2 个扩展麦克风（EX标配）：80 Hz-7 kHz遵守的标准• 安全- UL 1950- CSA C22.2, no. 950- EN6-950- IEC60950AS/NZS3260• 电磁兼容性- FCC (47 CFR Part 15) Class B- ICES-003 Class B- EN55022 Class B- CISPR 22 Class B- AS/NZS 3548 Class B- VCCI Class B- EN50224环境要求• 工作温度: 40º - 104ºF (5º - 40ºC)• 相对湿度: 20% - 85% (无凝露)• 存储温度: -22º - 131ºF (-30º - 55ºC)建议房间条件• 声音反射时间: <0.54 秒• 噪音级别: <48 dBaPOLYCOM VTX 1000包装含:• 集成了显示屏和键盘的桌面主机• 电源/网络接口模块• 低音扩音器（EX机型）• 2个扩展麦克风(EX机型)• 用户文档（用户手册，快速安装指南，注册卡）• 线缆- 2 根电源线缆 (主机, 低音扩音器)- 1 根21英尺(6.4m) 控制台线缆- 1 根7英尺. (2.1m) 通讯线缆- 2 根7英尺. (2.1m) 扩展麦克风线缆- 1 根10英尺. (3m) RCA低音扩音器线缆增强音频功能• 自动增益控制(AGC)• 动态噪音消除• 智能扩音器和麦克风混响• 80 Hz to 7 kHz VTX宽带音POLYCOM VTX 1000 EX其它特色/优点：●噪音消除技术自动减少PC、投影机和空调等噪音；●自动麦克风选择—同一时刻只有一个麦克风开启以避免浑音；●独立的麦克风、回声消除通道，可以根据不同的环境进行优化，以获得更好的声音；●扩展麦克风为大会议室提供了更大的覆盖面积；●低音炮可将音频向下扩展到80Hz，提供了更清楚、逼真的声音；可选的、可下载的振铃声。