voice

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voice 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 172 篇文章,持续更新中。

Radio_Frequency_Modulation_Made_Easy

By inventing the wireless transmitter or radio in 1897, the Italian physicist Tomaso<br /> Guglielmo Marconi added a new dimension to the world of communications. This<br /> enabled the transmission o

Modeling+and+Analysis+of+Telecommunications

The insinuation of telecommunications into the daily fabric of our lives has been<br /> arguably the most important and surprising development of the last 25 years. Before<br /> this revolution, telep

Mobile+and+Wireless+Systems+Beyond+3G

With the rapid growth of the wireless mobile applications, wireless voice has<br /> begun to challenge wireline voice, whereas the desire to access e-mail, surf the<br /> Web or download music (e.g.,

Mobile Multimedia Communications Concepts

Mobile multimedia communication is increasingly in demand because of the basic need to communi-<br /> cate at any time, anywhere, using any technology. In addition, to voice communication, people have

Mobile and Wireless Communications

There are few technologies that have had a more profound effect on people’s lives<br /> than mobile communications. As recently as twenty years ago no one had a mobile<br /> phone, while today 1.4 bil

LTE, WiMAX and WLAN

For nearly a hundred years telecommunications provided mainly voice services and very low speed<br /> data (telegraph and telex). With the advent of the Internet, several data services became mainstre

IP Multimedia Subsystem(IMS) Handbook

Fixed-mobile.convergence.and.voice-data.networks.have.merged.next-gen-<br /> eration,.value-added.applications.and.integrated.multimedia.services,.com-<br /> bining. Web. browsing,. instant. messaging

Introduction+to+3G+Mobile+Communications

The third generation (3G) mobile communication system is the next big thing<br /> in the world of mobile telecommunications. The first generation included<br /> analog mobile phones [e.g., Total Acces

Essentials+of+LTE+and+LTE-A

The next-generation wireless broadband technology is changing the way<br /> we work, live, learn, and communicate through effective use of state-<br /> of-the-art mobile broadband technology. The pack

CRC Handbook of Modern Telecommunications

In the preparation of this book, our objective was to provide an advanced understanding of emerging<br /> telecommunications systems, their significance, and the anticipated role these systems will pl

Compressive+Sensing+for+Wireless+Networks

Over the past few decades, wireless communications and networking have witnessed an<br /> unprecedented growth, and have become pervasive much sooner than anyone could have<br /> predicted. For exampl

Cognitive+Radio,+Software+Defined+Radio

Today’s wireless services have come a long way since the roll out of the<br /> conventional voice-centric cellular systems. The demand for wireless access<br /> in voice and high rate data multi-media

Ambient Networks

One traditional view of how wireless networks evolve is of a continuous, inevitable progres-<br /> sion to higher link speeds, combined with greater mobility over wider areas. This standpoint<br /> ce

Active+and+Programmable+Networks

New applications such as video conferencing, video on demand, multi-<br /> media transcoders, Voice-over-IP (VoIP), intrusion detection, distributed<br /> collaboration, and intranet security require

Caribbean Markets : Mobile Broadband Development

4G Americas is an industry trade organization composed of leading<br /> telecommunications service providers and manufacturers. The<br /> organization's mission is to advocate for and foster the<br />

4G LTELTE-Advanced

Duringthe past years, there has been a quickly rising interest in radio access technologies for providing<br /> mobile as well as nomadic and fixed services for voice, video, and data. This proves tha

4G & Beyond Convergence of Networks

From the transition of analog to digital communication along with seamless mobility and<br /> high computing power of small handheld devices, the wireless communications industry has<br /> seen tremen

3G+Evolution

During the past years, there has been a quickly rising interest in radio access tech-<br /> nologies for providing mobile as well as nomadic and fixed services for voice,<br /> video, and data. The di

3G,+4G+and+Beyond–BRINGING NETWORKS

In recent years, cellular voice networks have transformed into powerful packet-switched<br /> access networks for both voice communication and Internet access. Evolving Universal<br /> Mobile Telecomm

基于频率插值的4.0kbps 语音编码器的性能和设计(英文)

The 4.0 kbit/s speech codec described in this paper is based on a<br /> Frequency Domain Interpolative (FDI) coding technique, which<br /> belongs to the class of prototype waveform Interpolation (PWI