DSP data on the PC, or directly sampled voice signal transmission over wireless networks, data communication. DSP对PC机数据或者直接采样语音信号,通过无线网络传输,实现数据通信。
Voice and data communication across Asia was severely disrupted yesterday after an earthquake off the southern coast of Taiwan damaged undersea telephone cables linking Asian countries to each other and to the US. 昨日,台湾南部海域发生地震,对连接亚洲各国及亚洲和美国的海底光缆造成损坏,导致整个亚洲的声讯和数据通信严重中断。
Alcatel-Lucent provides solutions that enable service providers, enterprises and governments worldwide, to deliver voice, data and video communication services to end-users. 阿尔卡特朗讯提供多种解决方案,令全球范围内的服务提供商、企业和政府机构可以向最终用户提供语音、数据和视频通信服务。
According improvement of wireless communication technology, mobile phone or PDA was not only used in voice communication, but also data communication and other mobile auxiliary application. 随著无线通讯科技的技术进步,使得手机的功能不再只是语音通话用途,更可以应用在数位资料传输与行动辅助应用等领域。
IP phone transmits the voice data through the grouping network that is the main communication channel for the people in conversation. IP电话是将语音数据通过分组网络传输的,用分组网络作为会话者的主要通讯信道。
Our results show that, with the decrease of Wmax and slower of fading, the effective factor performance of TCP will be improved, in usual voice and data communication, the increase of RTT may do good for the effective factor of TCP. 研究结果表明:随着呱a、的减小和衰落速度的降低,TCP的有效因子性能将提高;在通常语音和数据通信误码率工作区域内,网络时延的增加有助于有效因子性能的提高。
Applications have a railway emergency call, marshalling operations, multi-driver communications, train tail wind pressure, transmission and print out orders, the vehicle trips of transmission, voice and data storage and communication patterns cut over, GPS positioning location kinship and other functions. 应用方面具备了铁路紧急呼叫、调车作业、多驾驶员通信、列车尾部风压、调度命令传送和打印、车次号传输、语音及数据的存储及通信模式的切换、GPS定位的位置寻址等功能。
Design and Implementation of Short Distance Wireless Voice/ Data Communication Module 短距离无线语音和数据传输模块的设计与实现
The mobile communication service will extend from voice to data, and the mobile communication technology will transits from circuit mode to packet mode. 随着因特网的发展,移动通信业务将从话音扩展到数据,移动通信技术也将从电路模式发展到分组模式。
The PSTN voice network based on TDM will certainly be merged with cent set commutation net, resulting in the Next Generation Network ( NGN) capable of delivering integrated service of voice and data communication. 故基于TDM的PSTN话音网必将和分组交换数据网融合,形成可以传递话音和数据等综合业务的新一代网络(NextGenerationNetwork)。
Performance Evaluation of a Three Node and Three Link Integrated Voice/ Data Communication Network 三节点三链路话音与数据综合通信网的性能估计
As the future communication service is changing from simple voice to multimedia, the data rate of communication is becoming one of factors restraining the development. 未来的通信对移动通信业务的要求越来越高,随着从单纯语音业务到多媒体业务的转变,通信中数据传输速率成为抑制日后发展的因素之一。
In this paper, the fluid-flow approximation method is introduced to analyse the performance of a packet video/ voice/ data integration communication system. 本文用流体流法分析了分组图象/话音/数据综合通信系统的排队性能。
According to the SIP hierarchical structure and communication framework, SIP was transplanted into embeded system to integrate an intelligent user terminal, on which realized the voice, data and multimedia communication between SIP terminal and PC. 根据SIP分层结构和相应的通信模型,将SIP移植到嵌入式系统,形成一个智能用户终端,实现SIP终端与PC的话音、数据以及多媒体的通信。
The Studies of the Voice/ Data Integrated Transmission in the Water Conservancy Communication System 水利通信系统话音/数据综合传输的研究
This paper firstly points out the characteristics of voice information in integrated voice/ data communication networks and their special requirements to the integrated service local area networks ( ISLANS). 本文首先指出了在综合话音、数据通信网中话音信息的特点及对综合业务局域网的特殊要求。
A Novel MAC Protocol for Integrated Voice/ Data Wireless Communication 一种适用于无线话音/数据综合通信的新型MAC协议
Variable Spreading Gain Code Division Multiple Access ( VSG-CDMA) system is one of the major candidate systems supporting mix traffic such as voice/ data/ image/ video in the future wireless communication systems. 可变扩频增益(VariableSpreadingGain)码分多址(VSG-CDMA)系统是支持综合业务(如声音数据图象视频等)的未来无线通信系统中的主要类型之一。
Performance Analysis of Spread Spectrum Slotted ALOHA for Integrated Packet Voice/ Data Satellite Communication 卫星分组话音/数据扩频时隙ALOHA的性能分析
Services of communication include voice, data communication video and multi-media. 通信的业务包括了语音、数据接入、图像以及多媒体业务等。
Along with the voice, data and multimedia businesses development of Mobile Communication Enterprise, all kind of business application system have been established. 随着移动通信企业话音、数据和多媒体等综合业务的发展,各种业务应用系统也随之建立。
It develops very fast in recent years that the technology, which voice and data transmit through wireless communication channels. 利用无线通信信道的短距离传输语音及数据业务,是近年来发展很快的一门技术。
It is based on Internet technology as a communication technology base. It is economical voice and data services common type of communication. However, VoIP providing users with convenient communication services economy at the same time, it is also increasingly becoming the main target of attacks. VoIP网络电话作为一种以互联网技术为基础的、经济型语音和数据等业务的普通型通讯方式,在为用户提供经济方便的通讯服务的同时,它也日益成为网络攻击的主要对象。
The incoming 3G could not only support the existing mobile operations, but also broad band video operations high quality voice packet data transmission and real time video communication. 呼之欲出的第三代(3G)移动通信不仅能提供现有的各种移动电话业务,还能提供高速率的宽带视频业务,支持高质量的话音、分组数据业务以及实时的视频传输。
The dispatching room controls PLC by industrial ethernet protocol to drive switch machine and inspect the state of switch. Then, the wireless voice and data communication technology between locomotives and dispatching room is presented. 调度室利用工业以太网协议控制PLC,实现远程扳道并实时监测道岔状态。然后,研究了机车与调度室无线语音和文字通讯技术。
The whole framework of telecommunication network is evolving from serving for voice communication to serving for data communication particularly IP business. 电信网的整体架构从为话音业务而优化的体系转向为数据业务尤其是以IP而优化的体系演进。
Secondly, it must ensure the fault-tolerance of voice and data communication on the lines. In the industrial scene, often as a result of various kinds of interference, so that information received by the receiver error. The voice data errors can cause ambiguities or discrepancy. 其次要保证语音数据在通信线路上的容错性,在工业现场,往往由于各种干扰,使接收端收到的信息出现错误,若是语音数据出现错误,会造成语音含糊不清或出现歧义。
It also transfers control information between the GSM phone module and the VoIP client module. The VoIP client module controlled by the control module needs to transfer voice data with the Bluetooth communication module. VoIP客户端模块受控制模块控制,实现与蓝牙通信模块的语音数据的相互传递,并且能够发起和接收呼叫。
VoIP transmits the voice data for communication through packet switching network and the communication channel can be shared by multi-partners, which promote the efficient use of network and reduce the cost of voice business. Therefore, VoIP achieves rapid development in the world. VoIP采用分组交换网络进行通信,通信链路可以多方共享,促进了网络资源利用效率,降低了语音业务成本,因此在全球范围内得到了迅速的发展。
It is the exigent requirement that how to integrate the IT applications, voice communications and internet makes the best of information technology, accordingly create a unified voice, data communication platform. 因此,如何充分运用信息化技术,融合IT应用、语音通信、互联网为企业打造统一的语音、数据沟通平台成为迫切需求。