Sökning: "Voice codec"

Visar resultat 1 - 5 av 10 uppsatser innehållade orden Voice codec.

1. MiniSIP as a Plug-in
Master-uppsats, KTH/Kommunikationssystem, CoS
Författare :Arun Arumugam Mathivanan; [2012]
Nyckelord :VoIP; MiniSIP; Firefox plugin; web-browser; VoIP; MiniSIP; Firefox plugin; webbläsare;

Sammanfattning : Internet telephony has rapidly becoming an integral part of life. Due to its low incremental cost and the wide availability of voice over IP (VoIP) based services these services being used by nearly everyone. Today there are many VoIP applications available in the market, but most of them lack basic security features. LÄS MER
2. Evaluation of VoIP Codecs over 802.11 Wireless Networks : A Measurement Study
Magister-uppsats, Högskolan i Halmstad/Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)
Författare :Arbab Nazar; [2009]
Nyckelord :wireless; voip; codec;

Sammanfattning : Voice over Internet Protocol (VoIP) has become very popular in recent days andbecome the first choice of small to medium companies for voice and data integration inorder to cut down the cost and use the IT resources in much more efficient way. Anotherpopular technology that is ruling the world after the year 2000 is 802.11 wirelessnetworks. LÄS MER
3. Voice Codec for Floating Point Processor
Uppsats för yrkesexamina på avancerad nivå, Linköpings universitet/Institutionen för systemteknik; Linköpings universitet/Institutionen för systemteknik
Författare :Johan Ross; Hans Engström; [2008]
Nyckelord :Voice codec; floating point; GSM decoder; low precision codec; speech coding;

Sammanfattning : As part of an ongoing project at the department of electrical engineering, ISY, at Linköping University, a voice decoder using floating point formats has been the focus of this master thesis. Previous work has been done developing an mp3-decoder using the floating point formats. All is expected to be implemented on a single DSP. LÄS MER

4. Public safety communication over 3GPP LTE
Uppsats för yrkesexamina på avancerad nivå, Luleå/Systemteknik
Författare :Stefan Sundkvist; [2008]
Nyckelord :3GPP; LTE; Public safety; Group communication.;

Sammanfattning : The 3rd Generation Partnership Project (3GPP) is ready to present a new cellular network standard: Long Term Evolution (LTE). LTE improves communication for public safety users like police, medical, and rescue workers in cellular networks. This creates a need to examine whether LTE can satisfy public safety users requirements. LÄS MER
5. Design and Implementation of Single Issue DSP Processor Core
Magister-uppsats, Linköpings universitet/Institutionen för systemteknik
Författare :Vinodh Ravinath; [2007]
Nyckelord :DSP; processor; codec; Instruction set; Microarchitecture; FSM; RTL;

Sammanfattning : Micro processors built specifically for digital signal processing are DSP processors. DSP is one of the core technologies in rapidly growing applications like communications and audio processing. The estimated growth of DSP processors in the last 6 years is over 40%. LÄS MER