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Understanding Telephone Electronics, Fourth Edition (Newnes)Covers conventional telephone fundamentals! Explores how telephone systems operate and how digital electronics replace them. "Introduces state-of-the-art speech circuits, dialing, ringing, and central office electronics. Dissects modems and digital transmission techniques. Studies microcomputers and cellular phones. Helps readers increase... | | Tools for Signal Compression: Applications to Speech and Audio Coding (ISTE)
In everyday life, we often come in contact with compressed signals: when using
mobile telephones, mp3 players, digital cameras, or DVD players. The signals in each
of these applications, telephone-band speech, high fidelity audio signal, and still or
video images are not only sampled and quantized to put them into a form suitable for... | | The Encyclopedia of NetworkingAs in the first edition, I’ve tried to make this Encyclopedia a comprehensive source of information about matters relating to networking. I’ve also tried to present the information in a clear and useful manner.
This book contains comprehensive, straightforward summaries of the major concepts, issues, and approaches related to... |
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Wireless Networking HandbookMany organizations utilize traditional wire-based networking technologies to establish connections among computers. These technologies fall into the following three categories:
• Local area networks (LANs) • Metropolitan area networks (MANs) • Wide area networks (WANs)
LANs support the sharing of... | | Codes and Ciphers: Julius Caesar, the Enigma, and the InternetFor at least two thousand years there have been people who wanted to send messages which could only be read by the people for whom they were intended. When a message is sent by hand, carried from the sender to the recipient, whether by a slave, as in ancient Greece or Rome, or by the Post Office today, there is a risk of it... | | A Dictionary of Real NumbersHow do we recognize that the number .93371663... is actually 21og1 0(e + 7r)/2 ? Gauss observed that the number 1.85407467... is (essentially) a rational value of an elliptic integral—an observation that was critical in the development of nineteenth century analysis. How do we decide that such a number is actually a special value of a... |
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