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Dissertations / Theses on the topic 'Voice ove'

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Published: 30 May 2022
Last updated: 31 July 2025

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1

Лопатіна, Анастасія Антонівна. "Проблема проєктування інтерфейсів для незрячих людей". Thesis, Національний авіаційний університет, 2021. https://er.nau.edu.ua/handle/NAU/50513.

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1. Stories of Web users | Web Accessibility initiative (WAI) | W3C – [Електронний ресурс] – Режим доступу: https://www.w3.org/WAI/people-use-web/user-stories/#accountant 2. Diverse Abilities and Barriers | Web Accessibility initiative (WAI) | W3C – [Електронний ресурс] – Режим доступу: https://www.w3.org/WAI/people-use-web/abilities-barriers/#visual<br>Доступність інтерфейсів для незрячих людей є достатньо актуальною та важливою проблемою. Часто дизайнери та розробники обладнання та інтерфейсів не враховують потреби незрячих користувачів, оминаючи складові, функціонування інтерфейсу, які є ду
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Derakhshanno, Homayoun. "Voice over IP over GPRS." Thesis, KTH, Kommunikationssystem, CoS, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91856.

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The Voice over IP (VoIP) technology has become prevalent today due to its lower cost than traditional telephony and its ability to support new value-added services. Additionally, the increasing availability of wireless internet access has led to research studies examining the combination of wireless network access with voice over IP. With the widespread availability of advanced mobile phones and Pocket PCs, the need for VoIP applications on these mobile platforms is tangible. To enable this, we need to evaluate the current wireless access technologies to see if they can support the necessary t
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Ram, Abhishek. "Assessment of Voice Over IP as a solution for Voice over ADSL." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/33135.

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Voice over DSL (VoDSL) is a technology that enables the transport of data and multiple voice calls over a single copper-pair. VoDSL employs packet voice technology instead of the traditional circuit switched voice. Voice over ATM (VoATM) and Voice over IP (VoIP) are the two main alternatives for carrying voice packets over DSL. ATM is currently the preferred technology, since it offers the advantage of ATMâ s built-in Quality of Service (QoS) mechanisms. IP, on the other hand, cannot provide QoS guarantees in its traditional form. IP QoS mechanisms have been evolved only in the recent years.
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Brännström, Nils. "Voice-over-IP over Enhanced Uplink." Thesis, Linköping University, Department of Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8479.

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<p>The traditional voice service in mobile networks is an important service that mobile users expect high quality from. With the convergence of mobile networks towards an all-IP network, an IP-based speech service becomes important which is referred to as Voice-over-IP (VoIP). The traditional voice service is highly optimized and a VoIP service must therefore fulfil strict quality requirements to provide the same speech service quality. The air interface technology, WCDMA, which is used in third generation communication systems in Europe is constantly developed. An improved concept for the mob
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Fey, Marcus. "Voice over IP - Eine Einführung." Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200600094.

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Eine kurze Einführung zu "Voice over IP" (dem Telefonieren über Datennetze). Es wird ein Überblick über technische Anforderungen und Lösungen geben. Behandelte Gebiete sind Audio-Codecs, das Transportprotokoll RTP sowie die Signalisierungsdienste SIP und H.323.
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6

Abad, Caballero Israel Manuel. "Secure Mobile Voice over IP." Thesis, KTH, Mikroelektronik och Informationsteknik, IMIT, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93113.

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Voice over IP (VoIP) can be defined as the ability to make phone calls and to send faxes (i.e., to do everything we can do today with the Public Switched Telephone Network, PSTN) over IP−based data networks with a suitable quality of service and potentially a superior cost/benefit ratio. There is a desire to provide (VoIP) with the suitable security without effecting the performance of this technology. This becomes even more important when VoIP utilizes wireless technologies as the data networks (such as Wireless Local Area Networks, WLAN), given the bandwidth and other constraints of wireless
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7

Smith, Paxton J. "Voice conferencing over IP networks." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29574.

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Traditional telephone conferencing has been accomplished by way of a centralized conference bridge. An Internet Protocol (IP)-based conference bridge is subject to speech distortions and substantial computational demands due to the tandem arrangement of high compression speech codecs. Decentralized architectures avoid the speech distortions and delay, but lack strong control and have a key dependence on silence suppression for endpoint scalability. One solution is to use centralized speaker selection and forwarding, and decentralized decoding and mixing. This approach eliminates the problem of
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8

Blundell, Nick. "Voice over application-level multicast." Thesis, Lancaster University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435872.

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9

Tasyumruk, Lutfullah. "Analysis of voice quality problems of Voice Over Internet Protocol (VoIP)." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03sep%5FTasyumruk.pdf.

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10

Knappe, Sebastian. "Marktabgrenzung im Bereich Voice over IP." Hamburg Kovač, 2009. http://d-nb.info/1001547381/04.

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11

Xu, Tie. "Packet voice over non-QoS networks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0007/MQ45259.pdf.

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12

Sundstrom, Karin Heather. "Voice over IP, an engineering analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0024/MQ51804.pdf.

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13

Franci, Alessandro. "Voice over IP e Web Conferencing." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4464/.

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14

Moodie, Myron L., Todd A. Newton, Thomas B. Grace, and William A. Malatesta. "Performance of Voice-over-IP over iNET Telemetric Networks." International Foundation for Telemetering, 2011. http://hdl.handle.net/10150/595774.

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ITC/USA 2011 Conference Proceedings / The Forty-Seventh Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2011 / Bally's Las Vegas, Las Vegas, Nevada<br>Bidirectional networked radio frequency (RF) communications between the ground and test articles are quickly becoming a normal mode of operation. Not only can devices be remotely controlled, but other networking technologies are emerging into flight test. Voice over IP (VoIP) is ubiquitous in the workplace and in homes, but it presents unique challenges when used to communicate between test articles. This p
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Manka, David L. "Voice over Internet Protocol testbed design for non-intrusive, objective voice quality assessment." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Sep%5FManka.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, September 2007.<br>Thesis Advisor(s): Tummala, Murali ; McEachen, John C. "September 2007." Description based on title screen as viewed on October 23, 2007. Includes bibliographical references (p.91-94). Also available in print.
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Yang, Xu. "On the development of Voice over IP." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2389.

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Lella, Tuneesh Kumar. "Privacy of encrypted Voice Over Internet Protocol." Thesis, Texas A&M University, 2008. http://hdl.handle.net/1969.1/86009.

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In this research, we present a investigative study on how timing-based traffic analysis attacks can be used for recovery of the speech from a Voice Over Internet Protocol (VOIP) conversation by taking advantage of the reduction or suppression of the generation of traffic whenever the sender detects a voice inactivity period. We use the simple Bayesian classifier and the complex HMM (Hidden Markov Models) classier to evaluate the performance of our attack. Then we describe the usage of acoustic features in our attack to improve the performance. We conclude by presenting a number of problems tha
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Tyrberg, Andreas. "Data Transmission over Speech Coded Voice Channels." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6755.

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<p>The voice channel in mobile communication systems have high priority and are almost always available. By using the voice channel also for data transmissions it is possible to get the same availability as for voice calls. But due to speech codecs in the voice channel, regular modems can not be used and special techniques are needed to transmit data.</p><p>This thesis presents methods to transmit data over the voice channel in a GSM, UMTS or TETRA network. The focus has been on robust data transmission rather than high data bit rates. Approaches are introduced which improve the reliability fo
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Yensen, Trevor. "Structures and interfaces for voice over IP." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0010/MQ36903.pdf.

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20

Wei, Bo. "Voice communications over two-hop tandem networks." Ann Arbor, Mich. : ProQuest, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3214771.

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Thesis (Ph.D. in Electrical Engineering)--S.M.U.<br>Title from PDF title page (viewed July 18, 2007). Source: Dissertation Abstracts International, Volume: 67-04, Section: B, page: 2164. Adviser: Jerry D. Gibson. Includes bibliographical references.
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Gong, Qi Peng. "Playout buffering for conversational voice over IP." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114224.

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In Voice over IP, the quality of interactive conversation is important to users. Major factors affecting perceived quality are delay, delay jitter, and missing packets. For conversational VoIP, a conversational delay also plays an important role for perceived quality. Large conversational delay can result in double talk, echo or even the termination of the conversation. In practice, a playout buffer is introduced at the receiver's side to remove delay jitter, so that the voice information carried on packets can be available at regular intervals for decoding. A longer buffer reduces the possibi
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Bates, Juliet. "The optimum interface for voice over ATM." Thesis, Brunel University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341663.

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Bilien, Johan. "Key Agreement for Secure Voice over IP." Thesis, KTH, Mikroelektronik och Informationsteknik, IMIT, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93069.

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This thesis reviews the usual properties and requirements for key agreement protocols. It then focuses on MIKEY, a work-in-progress protocol designed to conduct key agreements for secure multimedia exchanges. The protocol was implemented and incorporated in a SIP user agent - minisip. This implementation was used to measure the additional delay required for key exchange during call establishment. Finally, some schemes are proposed regarding the use of MIKEY in advanced VoIP scenarios, such as conferences and terminal mobility.
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Dechjaroen, Chaiporn. "Performance evaluation of Voice over Internet Protocol." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Dec%5FDechjaroen.pdf.

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25

Iranmanesh, Seyed Amir. "Security Enhancements in Voice Over Ip Networks." W&M ScholarWorks, 2017. https://scholarworks.wm.edu/etd/1530192357.

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Voice delivery over IP networks including VoIP (Voice over IP) and VoLTE (Voice over LTE) are emerging as the alternatives to the conventional public telephony networks. With the growing number of subscribers and the global integration of 4/5G by operations, VoIP/VoLTE as the only option for voice delivery becomes an attractive target to be abused and exploited by malicious attackers. This dissertation aims to address some of the security challenges in VoIP/VoLTE. When we examine the past events to identify trends and changes in attacking strategies, we find that spam calls, caller-ID spoof
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Gokhale, Rishikesh S. "Packet Loss Concealment in Voice Over Internet." Scholar Commons, 2003. https://scholarcommons.usf.edu/etd/1374.

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Traditional telephony networks with their cumbersome and costly infrastructures are being replaced with voice being transmitted over the Internet. The Internet is a very commonly used technology that was traditionally used to transmit data. With the availability of large bandwidth and high data rates the transmission of data, voice and video over the Internet is gaining popularity. Voice is a real time application and the biggest problem it faces is the loss of packets due to network congestion. The Internet implements protocols to detect and retransmit the lost packets. However, for a real ti
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Daniel, Louis (Louis Andrew Alcon) Carleton University Dissertation Journalism. "Many voices, one Caribbean." Ottawa, 1991.

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28

Urie, Glenn R. "Tactical voice communications over shipboard Local Area Networks." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA401622.

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Thesis (M.S. in Software Engineering) Naval Postgraduate School, December 2001.<br>"December 2001". Thesis advisor(s): Luqi ; Osmundson, John. Includes bibliographical references (p. 99-100). Also available online.
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Theander, Petter, and Thomas Hultgren. "Voice over IP for Sony Ericsson Cellular Phones." Thesis, Blekinge Tekniska Högskola, Avdelningen för programvarusystem, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2623.

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This report presents an investigation of the possibilities to implement voice over IP (VoIP) in Sony Ericsson cellular phones. The results from this investigation show that it is partially possible to implement such a solution. The best option for doing so is to make use of the support for the Session Initiation Protocol and the Real-time Transport Protocol offered by the architecture. Another goal is to evaluate if Bluetooth is able to handle the requirements needed for the solution. The whole concept is proven by implementing a prototype. Measurements on this prototype show that Bluetooth wi
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Nesh-Nash, Ali. "Voice over IP in a resource constrained environment." Thesis, KTH, Kommunikationssystem, CoS, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92257.

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Today, the telecommunication world is focused on mobility. This is popular because since the 1990s most people have integrated their mobile phones into their life. A new factor is the rise of the voice over IP(VoIP) technology, with VoIP over Wireless LANs (WLANs) as the clear next growth area for mobile communications. The purpose of this thesis was to understand how to save power based upon changing when some operations are performed in a VoIP client. In order to do this, we decided to port minisip to an HP iPAQ 5500 Personal Digital Assistant (PDA), in order to explore some of the issues of
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Elliott, Colm. "Stream synchronization for voice over IP conference bridges." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82484.

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Potentially large network delay variability experienced by voice packets when travelling over IP networks complicates the design of a robust voice conference bridge. Intrastream synchronization is required at the conference bridge to smooth out network delay jitter on a given stream and provide a continuous stream of voice packets to the conference bridge core. Interstream synchronization is needed to provide time synchronization between packets in different streams, allowing for a mapping of selected voice streams to the conference bridge output and the creation of a periodic and synch
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32

Onochie, Francis Chukwuemeka. "Digital data communications over voice-band telephone channels." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47598.

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Zue, Cory L. "Modeling and assessing secure Voice over IP performance." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33377.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.<br>Includes bibliographical references (p. 102-106).<br>Voice over Internet Protocol (VoIP) systems enable efficient communications over data networks, but security of VoIP and the impact of that security on communications quality has not been quantitatively modeled. A conversational model is adapted for VoIP and a computational model of communication quality - the Z-Model - is developed. VolIP conversations are simulated for networks with a range of performance characteristics
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Maema, Mathe. "OVR : a novel architecture for voice-based applications." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1006694.

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Despite the inherent limitation of accessing information serially, voice applications are increasingly growing in popularity as computing technologies advance. This is a positive development, because voice communication offers a number of benefits over other forms of communication. For example, voice may be better for delivering services to users whose eyes and hands may be engaged in other activities (e.g. driving) or to semi-literate or illiterate users. This thesis proposes a knowledge based architecture for building voice applications to help reduce the limitations of serial access to info
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Muhammad, Ali Syed. "VoWiFi Roaming." Thesis, KTH, Kommunikationssystem, CoS, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92260.

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Freedom is human’s natural instinct, which was limited by Ethernet and Fixed Telephony Era. With the emergence of new technologies like wireless fidelity (WiFi) and voice over IP (VoIP) humans once again have freedom of movement; which at the very same time provides enough reasons to change the market dynamics of communication industry. The buzz of Voice over WiFi (VoWiFi) in recent years indicates that VoWiFi is shaping up as the next big challenge to traditional telephony, not only due to cost, but also due to range of services and amount of freedom it can offer. However, at the very same ti
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Ebstein, Sammy-Franklin. "Voice over IP Szenarien über die Diffusion von VoIP /." St. Gallen, 2005. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/00641852001/$FILE/00641852001.pdf.

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Lloyd, Patrick. "An exploration of covert channels within voice over IP /." Online version of thesis, 2010. http://hdl.handle.net/1850/12241.

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Nakkhongkham, Saiyoot. "Measuring the quality of service of voice over IP." Thesis, University of Hawaii at Manoa, 2003. http://hdl.handle.net/10125/7007.

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This thesis addresses and proposes the methods to measure and classify problems encountered when transmitting voice over the Internet. These problems are delay, jittering, and lost of data. Transmitting voice over the Internet is commonly known as Voice over Internet Protocol (VoIP). The fact that the current Internet infrastructure was not designed to transmit real-time data makes these problems become eminent. Solutions to improve the quality of real-time data transmissions over the Internet are currently under research. This thesis presents a VoIP software-based application tool to help VoI
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Mahfuz, Ejaz. "Packet loss concealment for voice transmission over IP networks." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32965.

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Voice-over-IP (VoIP) uses packetized transmission of speech over the Internet (IP network). However, at the receiving end, packets are missing due to network delay, network congestion (jitter) and network errors. This packet loss degrades the quality of speech at the receiving end of a voice transmission system in an IP network. Since the voice transmission is a real-time process, the receiver cannot request for retransmission of the missing packets. Concealment algorithms, either transmitter or receiver based, are used to replace these lost packets. The packet loss concealment (PLC) technique
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Sun, Lingfen. "Speech quality prediction for voice over Internet protocol networks." Thesis, University of Plymouth, 2004. http://hdl.handle.net/10026.1/870.

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IP networks are on a steep slope of innovation that will make them the long-term carrier of all types of traffic, including voice. However, such networks are not designed to support real-time voice communication because their variable characteristics (e.g. due to delay, delay variation and packet loss) lead to a deterioration in voice quality. A major challenge in such networks is how to measure or predict voice quality accurately and efficiently for QoS monitoring and/or control purposes to ensure that technical and commercial requirements are met. Voice quality can be measured using either s
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SANTOS, ALEXANDRE FERREIRA DOS. "ASSESSMENT OF QOS PARAMETERS IN VOICE OVER IP TRANSMISSION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5243@1.

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Este trabalho apresenta um estudo visando a estabelecer uma metodologia para dimensionamento de um sistema VoIP, focalizando, em particular, o dimensionamento de um multiplexador estatístico. Procuramos aplicar modelos e resultados existentes para o problema geral do multiplexador estatístico ao caso específico de um sistema VoIP, levando em conta as características do tráfego, os requisitos de QoS e os princípios das arquiteturas Intserv e Diffserv. Para isto, apresentamos um resumo da tecnologia VoIP, incluindo seus requisitos de qualidade e os protocolos apropriados para transportar
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Kannan, Steven (Steven K. ). "Secure Voice over IP conferencing with decentralized group encryption." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/45979.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.<br>Includes bibliographical references (p. 107-109).<br>This thesis addresses the development of an end-to-end secure Voice over IP (VoIP) conference system. We are particularly interested in challenges associated with deploying such a system in ad-hoc networks containing low bandwidth and/or high latency data links. End-to-end security is handled by the decentralized Public Key Group Encryption library (PKGE) developed at Lincoln Laboratory; PKGE allows real-time keying of conf
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Guerra, Carlos Humberto Martins Chagas. "Gateway SIP - Asterisk." Master's thesis, Universidade de Évora, 2012. http://hdl.handle.net/10174/15430.

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Esta tese consiste num estudo realizado sobre a tecnologia VoIP (Voice over IP) com aplicação dentro da área dos PBX(Private Branch eXchange) e Gateways VoIP Open Source. Em primeiro lugar foram abordados os conceitos, requisitos e elementos associados a esta tecnologia bem como a sua interligação com outras tecnologias de comunicação como a PSTN (Public Switched Telephone Network) , ISDN (Integrated Services Digital Network) ou GSM (Groupe Special Mobile).Al ém disso, foi efectuado um estudo teórico e prático sobre o software Open Source Asterisk, tendo com objectivo explorar o seu modo de fu
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Mazzoli, Valentina. "Le tecniche di sincronizzazione del voice-over: analisi della proposta di adattamento per il voice-over in italiano del documentario Utopia di John Pilger." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16047/.

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This dissertation focuses on the translation mode for audiovisual products known as voice-over. This practice has always been neglected by Translation Studies, in favour of more popular translation methods such as dubbing and subtitling. However, it is often ignored that voice-over is the preferred translation mode for the non-fiction genre. Moreover, it is gaining increasing popularity due to its inexpensive and fast approach, and as such it deserves more attention. Through the translation of Utopia, a documentary on native Australians by John Pilger, this study aims at providing a work patte
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Dely, Peter. "Adaptive Aggregation of Voice over IP in Wireless Mesh Networks." Thesis, Karlstad University, Faculty of Economic Sciences, Communication and IT, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-938.

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<p>When using Voice over IP (VoIP) in Wireless Mesh Networks the overhead induced by the IEEE 802.11 PHY and MAC layer accounts for more than 80% of the channel utilization time, while the actual payload only uses 20% of the time. As a consequence, the Voice over IP capacity is very low. To increase the channel utilization efficiency and the capacity several IP packets can be aggregated in one large packet and transmitted at once. This paper presents a new hop-by-hop IP packet aggregation scheme for Wireless Mesh Networks.</p><p>The size of the aggregation packets is a very important performan
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Morshed, Muhammad. "Voice over IP and Lawful Intercept : Good cop/Bad cop." Thesis, KTH, School of Information and Communication Technology (ICT), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-24260.

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<p>Lawful interception is a common practice for monitoring a telecommunication network by law enforcement agencies all over the world. It plays a vital role to ensure national security and to control crimes by providing authorized monitoring of communicating parties in a communication network. However, there are some important issues that need to be addressed, such as the privacy of individuals, malicious use of lawful interception by a “bad” cop, vulnerability of a lawful interception system to misuse by others, cost, legal liability, etc. These issues have lead to opposition to lawful interc
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Zhang, Hongqi. "Performance of voice over IP in mobile ad hoc networks." Thesis, University of Ottawa (Canada), 2007. http://hdl.handle.net/10393/27943.

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The objectives of this thesis are to study the performance of voice over IP in ad-hoc networks, and to study the relationship among routing protocols, coding schemes and the quality of voice. The contribution is an adaptive rate control scheme which uses Mean Opinion Score (MOS) as criteria to improve the performance of the mobile ad hoc network. We first discuss and analyze the characteristics of wireless ad hoc network and Adaptive Multirate-Wideband (AMW) speech coding, and then provide the operation of the adaptive source-network rate control scheme consisting of the voice coding and trans
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48

Radhakrishna, Deekonda, and Jannu Keerthipramukh. "OPNET simulation of voice over MPLS With Considering Traffic Engineering." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3434.

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Multiprotocol Label Switching (MPLS) is an emerging technology which ensures the reliable delivery of the Internet services with high transmission speed and lower delays. The key feature of MPLS is its Traffic Engineering (TE), which is used for effectively managing the networks for efficient utilization of network resources. Due to lower network delay, efficient forwarding mechanism, scalability and predictable performance of the services provided by MPLS technology makes it more suitable for implementing real-time applications such as voice and video. In this thesis performance of Voice over
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49

Montminy, Christian. "A study of speech compression algorithms for Voice over IP." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0017/MQ57147.pdf.

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50

Turnbull, Merrielle. "Becoming one with the university : basic writers and academic voice." Virtual Press, 1994. http://liblink.bsu.edu/uhtbin/catkey/932630.

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Basic writers often require different courses than traditional Freshman Composition 1 students to succeed in college. Ball State University's basic writing program offers a two-semester sequence that provides students with additional time and attention, thereby addressing these students' special needs. The program encourages students to see themselves as academic writers and as part of the academic community.This study examined the degree of presence of academic voice in students' writing as measured at four intervals during the program's initial year. A 2 x 4 analysis of variance measured cha
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