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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... | | | | 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... |
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