向“富”通信时代的通信服务演进

1 语音业务的未来 面对互联网免费语音业务的竞争,未来的语音业务不再仅仅是纯语音通信,而是实实在在的多媒体通话（Multimedia Telephony,MMTel）。用户可以根据自己的需要,灵活地在多媒体消息、文件传输、语音和视频等功能之间切换,或进行自由组合。     

构建全业务集中计费帐务体系促进企业创新发展

1成果的背景近年来,传统语音通信业务日益萎缩,移动、宽带、互联网和数据服务等增长型新业务逐步与传统语音业务共分天下。用户对通信的需求从过去单纯的语     

一种基于DPI的5G语音全流程分析应用方法

按照3GPP的设计,用户在5G网络使用语音业务时,需要回落到4G网络使用VoLTE语音业务进行通话。在回落的过程中,业务流程包含了多个4G、5G协同交互的信令。业务流程长,往往存在着时延过长甚至掉线的问题,这严重地影响了用户的业务体验。基于此,本文提出了一种基于DPI的5G语音全流程分析应用方法。实践显示,该方法可以大幅降低用户的5G语音接续时延,提升业务接通率,对5G用户的客户感知提升具有重要贡献。     

NSA架构语音解决方案及优化策略研究

NSA网络架构模式下，5G语音业务承载于4G锚点网络上。4/5G双连接模式的网络架构，使得终端语音业务上行功率较传统4G语音业务上行功率损失3dB，从而影响小区边缘NSA用户语音业务体验。本文研究了几种基于NSA终端上行功率分配的策略及其特点，以提升NSA终端上行覆盖性能和用户感知体验。     

车载导航人机语音交互系统的实现

支持语音交互是车载导航系统的一个发展趋势.本文讨论了车载导航系统人机语音交互的实现方法,包括对话模式、关键词识别、语音控制命令、名称识别、语音合成.试验结果证明,系统能满足车载导航人机语音交互的要求.     

互联网终端的关键技术——手机浏览器分析

1概述 在全业务运营时代,用户对移动终端的需求已经逐渐从基本的语音业务向更丰富的综合服务转变,中国电信适时提出了互联网终端的概念,使得传统通信业务正逐渐与移动互联剀业务相融合。作为手机通向互联网的入口,手机浏览器被形象地称为“3G第一关”,在很大程度上,浏览器将成为移动业务的统一客户端。     

语音增值业务（IVR）基础知识

一、移动语音增值业务与传统声讯业务的区别 IVR的概念是交互式语音应答，这也是传统声讯的基础，但在移动语音增值业务领域，过于频繁的语音交互却成为了最大的忌讳：你试试看，不停地把手机从耳边拿下来，按一个键，然后再听、再按……你烦吗?所以，移动语音增值业务与传统声讯最大的区别在于应答交互方面，移动语音增值     

基于智能语音的人机交互方案设计与实现

智能电视作为家庭娱乐的中心,正逐步成为电脑、手机之外的第三种信息访问沟通平台,其智能化的定义决定了智能电视的复杂性和多样性,智能化定义中最为关键的环节就是人机交互。从某种意义上讲,智能电视人机交互方式决定着智能电视方案的成败与否。本文提出了一种基于Android智能电视的语音交互系统,该系统使得用户可以通过语音信息的输入来对智能电视进行控制操作,极大地降低了用户操作的复杂性,丰富了智能电视的人机交互方式。     

面向3G和全业务运营的传送网OTN组网模式探讨

1引言 现今互联网新业务的不断涌现使得传统语音业务的发展已经远远不及IP业务,这对专注服务于语音业务的传统移动传送网提出了新的要求。     

EPS FB成功率优化策略研究

移动用户对5G网络的普遍期望高,认为5G网络速度快、覆盖好、体验优,然而在5G SA网络商用初期,在当前VoNR语音方案部署还不成熟的情况下,5G语音需要通过EPS FB技术将语音回落到LTE网络,通过VOLTE完成语音业务的连接,用户终端空闲态及数据业务态驻留在NR网络,当有语音业务请求时,终端由NR网络回落至LTE网络完成语音业务,用户完成语音业务后返回NR网络,因此对EPS FB语音策略专研,并制定相应的优化对策,是5G用户语音感知体验提升的重要保障。     

Speech transmission performance planning in hybrid IP/SCN networks

The introduction of Internet protocol technology into traditional telecommunications networks is changing the nature of speech communication in those networks. As the current switched network infrastructure is augmented by packet networks, the needs of voice users of these hybrid networks must be given due consideration. These users are accustomed to high-quality connections with low distortion in the speech signal and low transmission delay in the speech path. In order for packetized networks to gain widespread acceptance for speech transmission services, it is necessary to maintain this high-quality performance in the evolving networks. We discuss relevant speech transmission performance requirements and the associated activities taking place in regional and international standards bodies     

老年陪护机器人系统的设计与实现

设计了一种以引导式语音交互和肢体动作为表达形式的老年陪护机器人系统,该机器人系统采用人性化语音交互、触觉感知与交互技术,对使用者提供个性化服务.采用非特定人语音识别技术,利用有限的硬件资源,构建稳健的识别模型,实现高性能并满足实时应答要求的语音识别片上系统.在真实动物运动姿态建模的基础上,提出了一种应用欠驱动柔性结构的...     

VoIP Scheduling Algorithm for AMR Speech Codec in IEEE 802.16e/m System

This letter proposes an efficient uplink scheduling algorithm for voice over Internet protocol (VoIP) services with adaptive multi-rate (AMR) speech codec in IEEE 802.16e/m systems. The proposed scheduling algorithm adopts the random access scheme during silent-period to reduce the waste of uplink bandwidth considering the characteristics of AMR speech codec. The numerical results show that the proposed algorithm can increase the maximum supportable number of voice users by 26% compared to the conventional extended real-time polling service (ertPS).     

The multimedia fax-MIME gateway

New standards may help bridge the rapidly growing communities of the Internet and facsimile machine users. One of these is the Internet standard proposed in July 1992 which provides enhanced capabilities for e-mail. This new standard, Multipurpose Internet Mail Extensions (MIME), lets users exchange multiple-media mail messages over the Internet. The fax-MIME gateway takes advantage of these developments to offer fax services to Internet users and Internet services to multimedia fax users     

Mobile WiMAX: a technology update

The success and growth of Internet-based services has profoundly impacted the global economies, as well as the ways people communicate and their lifestyles. With ever increasing demands for accessing the Internet via mobile devices, the focus of next-generation mobile wireless technology development is to enable and efficiently deliver broadband mobile multimedia and Internet services to users. The communication industry is making big strides in the design of next-generation broadband mobile networks which are poised to enormously increase the value of the Internet and its usage by bringing the Internet to users as opposed to having users go to the Internet.     

下一代通信网络中的SIP语音业务

介绍了最新的基于因特网的语音技术。在该方案设计中采用了融合传统电路交换网和IP网的结构思想,不仅将语音的传输放到了IP网上,更为集成将来的业务,诸如网页、电子邮件、多媒体技术等提供了灵活的结构。其初期目的在于替代传统的企业级电话业务。     

Should mobile Internet be an extension to the fixed web? Fixed-mobile reinforcement as mediator between context of use and future use

As the fixed and mobile Internet are converging, the question emerges whether consumers expect mobile Internet services to replicate services they know from the fixed Internet. Literature on reinforcement and displacement suggests that the use of new media depends on whether users are inclined to replace or reinforce their existing media use on a new device. This paper analyzes whether the importance that users attribute to using similar services on their mobile phone as on the fixed Internet can explain the intention to adopt mobile services. Specifically, we investigate if such fixed-mobile reinforcement could mediate the impact of personal innovativeness and several dimensions of context. We compare basic Internet services, entertainment services and transaction services. We find that especially the intention to adopt basic Internet services largely depends on the importance of using similar services in the mobile domain as on the fixed Internet. Several context-of-use predictors are partially or even fully mediated by fixed-mobile reinforcement. The results convey a positive message to operators that are betting on converged multimedia services that can be accessed from any device and from any fixed or mobile network.     

Programming Internet telephony services

Internet telephony enables a wealth of new service possibilities. Traditional telephony services such as call forwarding, transfer, and 800 number services, can be enhanced by interaction with e-mail, Web, and directory services. Additional media types, like video and interactive chat, can be added as well. One of the challenges in providing these services is how to effectively program them. Programming these services requires decisions regarding where the code executes, how it interfaces with the protocols that deliver the services, and what level of control the code has. In this article we consider this problem in detail. We develop requirements for programming Internet telephony services, and we show that at least two solutions are required-one geared for service creation by trusted users (such as administrators), and one geared for service creation by untrusted users (such as consumers). We review existing techniques for service programmability in the Internet and in the telephone network, and extract the best components of both. The result is a common gateway interface that allows trusted users to develop services, and the call processing language that allows untrusted users to develop services     

利用语音技术实现互联网信息无障碍

以语音验证码为例说明了语音技术在信息无障碍中的巨大作用,分别阐述了使用字母录音方式和语音引擎方式生成语音验证码的技术原理和具体实现方式,比较了这两种技术在不同应用环境下使用的优缺点,展望了语音技术未来的发展。     

Web 2.0的新应用——Second Life

随着互联网的进一步发展,调动互联网用户之间的互动类业务已经成为互联网业务新的发展趋势,以网民之间的协作和互动为显著特征的Web 2.0类业务正在蓬勃发展。在众多Web 2.0类业务中,Second Life所引领的虚拟世界类应用不论是其注册用户数以及商业模式创新方面都取得了巨大的成功。通过介绍Second Life的产生和发展,分析Second Life的业务特点以及商业模式,并结合国内虚拟世界的发展情况分析了虚拟世界类应用在中国的发展前景。