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The 5G myth : and why consistent connectivity is a better future / William Webb
The 5G myth : and why consistent connectivity is a better future / William Webb
Autore Webb, William
Edizione [2nd ed.]
Descrizione fisica viii, 153 p. ; 24 cm
Disciplina 621.385
Soggetto topico Mobile communication systems
ISBN 9781540465818
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISALENTO-991003559799707536
Webb, William  
Materiale a stampa
Lo trovi qui: Univ. del Salento
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ADSL, VDSL, and multicarrier modulation / John A. C. Bingham
ADSL, VDSL, and multicarrier modulation / John A. C. Bingham
Autore Bingham, John A.
Pubbl/distr/stampa New York : Wiley & sons, ©2000
Descrizione fisica XVII, 289 p. : ill. ; 24 cm
Disciplina 621.385
Collana Wiley series in telecommunications and signal processing
Soggetto non controllato Sistemi telefonici digitali
Telecomunicazioni - Standard
Modulazione
ISBN 0-471-29099-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-990000528560403321
Bingham, John A.  
New York : Wiley & sons, ©2000
Materiale a stampa
Lo trovi qui: Univ. Federico II
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ADSL, VDSL, and multicarrier modulation
ADSL, VDSL, and multicarrier modulation
Autore Bingham John A. C
Edizione [Reissue]
Pubbl/distr/stampa [Place of publication not identified], : Wiley, 2000
Descrizione fisica 1 online resource (301 pages)
Disciplina 621.385
Collana Wiley series in telecommunications and signal processing ADSL, VDSL, and multicarrier modulation
Soggetto topico Asymmetric digital subscriber lines
Very high-speed digital subscriber lines
Modulation (Electronics)
Computer networks
Electrical & Computer Engineering
Engineering & Applied Sciences
Telecommunications
ISBN 1-280-55621-8
9786610556212
0-470-31014-6
0-471-20072-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910146075103321
Bingham John A. C  
[Place of publication not identified], : Wiley, 2000
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
ADSL, VDSL, and multicarrier modulation / John A. C. Bingham
ADSL, VDSL, and multicarrier modulation / John A. C. Bingham
Autore Bingham, John A. C.
Pubbl/distr/stampa New York [etc.], : J. Wiley, c2000
Descrizione fisica XVII, 289 p. ; 25 cm.
Disciplina 621.385
Collana Wiley series in telecommunications and signal processing
Soggetto topico Telecomunicazioni
Telefonia
Reti telefoniche
ISBN 0471290998
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISANNIO-UBO1265222
Bingham, John A. C.  
New York [etc.], : J. Wiley, c2000
Materiale a stampa
Lo trovi qui: Univ. del Sannio
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AT & T technology
AT & T technology
Pubbl/distr/stampa [New York, NY], : AT & T, [©1986-
Descrizione fisica 1 online resource
Disciplina 621.385
Soggetto topico Telephone
Telecommunication
Soggetto genere / forma Periodicals.
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Altri titoli varianti American Telephone and Telegraph technology
AT and T technology
Record Nr. UNISA-996336108903316
[New York, NY], : AT & T, [©1986-
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
AT & T technology
AT & T technology
Pubbl/distr/stampa [New York, NY], : AT & T, [©1986-
Descrizione fisica 1 online resource
Disciplina 621.385
Soggetto topico Telephone
Telecommunication
Soggetto genere / forma Periodicals.
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Altri titoli varianti American Telephone and Telegraph technology
AT and T technology
Record Nr. UNINA-9910147266003321
[New York, NY], : AT & T, [©1986-
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Beyond VoIP protocols [[electronic resource] ] : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
Beyond VoIP protocols [[electronic resource] ] : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
Autore Hersent Olivier
Pubbl/distr/stampa Hoboken, NJ, : John Wiley, 2005
Descrizione fisica 1 online resource (285 p.)
Disciplina 004.62
621.385
Altri autori (Persone) PetitJean-Pierre
GurleDavid
Soggetto topico Internet telephony
Speech processing systems
ISBN 1-280-27632-0
9786610276325
0-470-02364-3
0-470-02363-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Beyond VoIP Protocols Understanding Voice Technology and Networking Techniques for IP Telephony; Contents; Glossary; List of Abbreviations; 1 Introduction; 1.1 The rebirth of VoIP; 1.2 Why beyond VoIP protocols?; 1.2.1 Selecting a voice coder; 1.2.2 Providing 'toll quality' . . . and more; 1.2.3 Controlling IP quality of service; 1.2.4 Dimensioning the network; 1.2.5 Unleashing the potential of multicast; 1.3 Scope of this book; 1.4 Intended audience; 1.5 Conclusion; 1.6 References; 2 Introduction to Speech-coding Techniques; 2.1 A primer on digital signal processing; 2.1.1 Introduction
2.1.2 Sampling and quantization2.1.3 The sampling theorem; 2.1.4 Quantization; 2.1.5 ITU G.711 A-law or μ-law, a basic coder at 64 kbit/s; 2.2 The basic tools of digital signal processing; 2.2.1 Why digital technology simplifies signal processing; 2.2.2 The Z transform and the transfer function; 2.2.3 Linear prediction for speech-coding schemes; 2.3 Overview of speech signals; 2.3.1 Narrow-band and wide-band encoding of audio signals; 2.3.2 Speech production: voiced, unvoiced, and plosive sounds; 2.3.3 A basic LPC vocoder: DOD LPC 10
2.3.4 Auditory perception used for speech and audio bitrate reduction2.4 Advanced voice coder algorithms; 2.4.1 Adaptive quantizers. NICAM and ADPCM coders; 2.4.2 Differential predictive quantization; 2.4.3 Long-term prediction for speech signal; 2.4.4 Vector quantization; 2.4.5 Entropy coding; 2.5 Waveform coders. ADPCM ITU-T G.726; 2.5.1 Coder specification . . . from digital test sequences to C code; 2.5.2 Embedded version of the G.726 ADPCM coder G.727; 2.5.3 Wide-band speech coding using a waveform-type coder; 2.6 Hybrids and analysis by synthesis (ABS) speech coders; 2.6.1 Principle
2.6.2 The GSM full-rate RPE-LTP speech coder (GSM 06.10)2.7 Codebook-excited linear predictive (CELP) coders; 2.7.1 ITU-T 8-kbit/s CS-ACELP G.729; 2.7.2 ITU-T G.723.1: dual-rate speech coder for multimedia communications transmitting at 5.3 kbit/s and 6.3 kbit/s; 2.7.3 The low-delay CELP coding scheme: ITU-T G.728; 2.7.4 The AMR and AMR-WB coders; 2.8 Quality of speech coders; 2.8.1 Speech quality assessment; 2.8.2 ACR subjective test, mean opinion score (MOS); 2.8.3 Other methods of assessing speech quality; 2.8.4 Usage of MOS; 2.9 Conclusion on speech-coding techniques and their near future
2.9.1 The race for low-bitrate coders2.9.2 Optimization of source encoding and channel encoding; 2.9.3 The future; 2.10 References; 2.10.1 Articles; 2.10.2 Books; 2.11 Annexes; 2.11.1 Main characteristics of ITU-T standardized speech coders; 2.11.2 Main characteristics of cellular mobile standardized speech coders; 3 Voice Quality; 3.1 Introduction; 3.2 Reference VoIP media path; 3.3 Echo in a telephone network; 3.3.1 Talker echo, listener echo; 3.3.2 Electric echo; 3.3.3 Acoustic echo; 3.3.4 How to limit echo; 3.4 Delay; 3.4.1 Influence of the operating system
3.4.2 The influence of the jitter buffer policy on delay
Record Nr. UNINA-9910143578103321
Hersent Olivier  
Hoboken, NJ, : John Wiley, 2005
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Beyond VoIP protocols [[electronic resource] ] : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
Beyond VoIP protocols [[electronic resource] ] : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
Autore Hersent Olivier
Pubbl/distr/stampa Hoboken, NJ, : John Wiley, 2005
Descrizione fisica 1 online resource (285 p.)
Disciplina 004.62
621.385
Altri autori (Persone) PetitJean-Pierre
GurleDavid
Soggetto topico Internet telephony
Speech processing systems
ISBN 1-280-27632-0
9786610276325
0-470-02364-3
0-470-02363-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Beyond VoIP Protocols Understanding Voice Technology and Networking Techniques for IP Telephony; Contents; Glossary; List of Abbreviations; 1 Introduction; 1.1 The rebirth of VoIP; 1.2 Why beyond VoIP protocols?; 1.2.1 Selecting a voice coder; 1.2.2 Providing 'toll quality' . . . and more; 1.2.3 Controlling IP quality of service; 1.2.4 Dimensioning the network; 1.2.5 Unleashing the potential of multicast; 1.3 Scope of this book; 1.4 Intended audience; 1.5 Conclusion; 1.6 References; 2 Introduction to Speech-coding Techniques; 2.1 A primer on digital signal processing; 2.1.1 Introduction
2.1.2 Sampling and quantization2.1.3 The sampling theorem; 2.1.4 Quantization; 2.1.5 ITU G.711 A-law or μ-law, a basic coder at 64 kbit/s; 2.2 The basic tools of digital signal processing; 2.2.1 Why digital technology simplifies signal processing; 2.2.2 The Z transform and the transfer function; 2.2.3 Linear prediction for speech-coding schemes; 2.3 Overview of speech signals; 2.3.1 Narrow-band and wide-band encoding of audio signals; 2.3.2 Speech production: voiced, unvoiced, and plosive sounds; 2.3.3 A basic LPC vocoder: DOD LPC 10
2.3.4 Auditory perception used for speech and audio bitrate reduction2.4 Advanced voice coder algorithms; 2.4.1 Adaptive quantizers. NICAM and ADPCM coders; 2.4.2 Differential predictive quantization; 2.4.3 Long-term prediction for speech signal; 2.4.4 Vector quantization; 2.4.5 Entropy coding; 2.5 Waveform coders. ADPCM ITU-T G.726; 2.5.1 Coder specification . . . from digital test sequences to C code; 2.5.2 Embedded version of the G.726 ADPCM coder G.727; 2.5.3 Wide-band speech coding using a waveform-type coder; 2.6 Hybrids and analysis by synthesis (ABS) speech coders; 2.6.1 Principle
2.6.2 The GSM full-rate RPE-LTP speech coder (GSM 06.10)2.7 Codebook-excited linear predictive (CELP) coders; 2.7.1 ITU-T 8-kbit/s CS-ACELP G.729; 2.7.2 ITU-T G.723.1: dual-rate speech coder for multimedia communications transmitting at 5.3 kbit/s and 6.3 kbit/s; 2.7.3 The low-delay CELP coding scheme: ITU-T G.728; 2.7.4 The AMR and AMR-WB coders; 2.8 Quality of speech coders; 2.8.1 Speech quality assessment; 2.8.2 ACR subjective test, mean opinion score (MOS); 2.8.3 Other methods of assessing speech quality; 2.8.4 Usage of MOS; 2.9 Conclusion on speech-coding techniques and their near future
2.9.1 The race for low-bitrate coders2.9.2 Optimization of source encoding and channel encoding; 2.9.3 The future; 2.10 References; 2.10.1 Articles; 2.10.2 Books; 2.11 Annexes; 2.11.1 Main characteristics of ITU-T standardized speech coders; 2.11.2 Main characteristics of cellular mobile standardized speech coders; 3 Voice Quality; 3.1 Introduction; 3.2 Reference VoIP media path; 3.3 Echo in a telephone network; 3.3.1 Talker echo, listener echo; 3.3.2 Electric echo; 3.3.3 Acoustic echo; 3.3.4 How to limit echo; 3.4 Delay; 3.4.1 Influence of the operating system
3.4.2 The influence of the jitter buffer policy on delay
Record Nr. UNINA-9910831181203321
Hersent Olivier  
Hoboken, NJ, : John Wiley, 2005
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Beyond VoIP protocols [[electronic resource] ] : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
Beyond VoIP protocols [[electronic resource] ] : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
Autore Hersent Olivier
Pubbl/distr/stampa Hoboken, NJ, : John Wiley, 2005
Descrizione fisica 1 online resource (285 p.)
Disciplina 004.62
621.385
Altri autori (Persone) PetitJean-Pierre
GurleDavid
Soggetto topico Internet telephony
Speech processing systems
ISBN 1-280-27632-0
9786610276325
0-470-02364-3
0-470-02363-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Beyond VoIP Protocols Understanding Voice Technology and Networking Techniques for IP Telephony; Contents; Glossary; List of Abbreviations; 1 Introduction; 1.1 The rebirth of VoIP; 1.2 Why beyond VoIP protocols?; 1.2.1 Selecting a voice coder; 1.2.2 Providing 'toll quality' . . . and more; 1.2.3 Controlling IP quality of service; 1.2.4 Dimensioning the network; 1.2.5 Unleashing the potential of multicast; 1.3 Scope of this book; 1.4 Intended audience; 1.5 Conclusion; 1.6 References; 2 Introduction to Speech-coding Techniques; 2.1 A primer on digital signal processing; 2.1.1 Introduction
2.1.2 Sampling and quantization2.1.3 The sampling theorem; 2.1.4 Quantization; 2.1.5 ITU G.711 A-law or μ-law, a basic coder at 64 kbit/s; 2.2 The basic tools of digital signal processing; 2.2.1 Why digital technology simplifies signal processing; 2.2.2 The Z transform and the transfer function; 2.2.3 Linear prediction for speech-coding schemes; 2.3 Overview of speech signals; 2.3.1 Narrow-band and wide-band encoding of audio signals; 2.3.2 Speech production: voiced, unvoiced, and plosive sounds; 2.3.3 A basic LPC vocoder: DOD LPC 10
2.3.4 Auditory perception used for speech and audio bitrate reduction2.4 Advanced voice coder algorithms; 2.4.1 Adaptive quantizers. NICAM and ADPCM coders; 2.4.2 Differential predictive quantization; 2.4.3 Long-term prediction for speech signal; 2.4.4 Vector quantization; 2.4.5 Entropy coding; 2.5 Waveform coders. ADPCM ITU-T G.726; 2.5.1 Coder specification . . . from digital test sequences to C code; 2.5.2 Embedded version of the G.726 ADPCM coder G.727; 2.5.3 Wide-band speech coding using a waveform-type coder; 2.6 Hybrids and analysis by synthesis (ABS) speech coders; 2.6.1 Principle
2.6.2 The GSM full-rate RPE-LTP speech coder (GSM 06.10)2.7 Codebook-excited linear predictive (CELP) coders; 2.7.1 ITU-T 8-kbit/s CS-ACELP G.729; 2.7.2 ITU-T G.723.1: dual-rate speech coder for multimedia communications transmitting at 5.3 kbit/s and 6.3 kbit/s; 2.7.3 The low-delay CELP coding scheme: ITU-T G.728; 2.7.4 The AMR and AMR-WB coders; 2.8 Quality of speech coders; 2.8.1 Speech quality assessment; 2.8.2 ACR subjective test, mean opinion score (MOS); 2.8.3 Other methods of assessing speech quality; 2.8.4 Usage of MOS; 2.9 Conclusion on speech-coding techniques and their near future
2.9.1 The race for low-bitrate coders2.9.2 Optimization of source encoding and channel encoding; 2.9.3 The future; 2.10 References; 2.10.1 Articles; 2.10.2 Books; 2.11 Annexes; 2.11.1 Main characteristics of ITU-T standardized speech coders; 2.11.2 Main characteristics of cellular mobile standardized speech coders; 3 Voice Quality; 3.1 Introduction; 3.2 Reference VoIP media path; 3.3 Echo in a telephone network; 3.3.1 Talker echo, listener echo; 3.3.2 Electric echo; 3.3.3 Acoustic echo; 3.3.4 How to limit echo; 3.4 Delay; 3.4.1 Influence of the operating system
3.4.2 The influence of the jitter buffer policy on delay
Record Nr. UNINA-9910841363803321
Hersent Olivier  
Hoboken, NJ, : John Wiley, 2005
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Cables telephoniques pour longues distances / A. Engelhardt ; traduit de l'allemand sous la direction de l'auteurpar H. Voiturin et N. Beresowski-Chestov
Cables telephoniques pour longues distances / A. Engelhardt ; traduit de l'allemand sous la direction de l'auteurpar H. Voiturin et N. Beresowski-Chestov
Autore Engelhardt, A.
Pubbl/distr/stampa Paris, : Librairie polytechnique Beranger, 1928
Descrizione fisica VIII, 219 p. : ill. ; 24 cm
Disciplina 621.385
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione ita
Record Nr. UNINA-990000008030403321
Engelhardt, A.  
Paris, : Librairie polytechnique Beranger, 1928
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui