Lecture 18: Analog Transmission of Digital Data (Broadband Transmission):

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Lecture 18: Analog Transmission of Digital Data (Broadband Transmission):

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There are many occasions when data need to be transmitted over a voice communication network. Many people use a computer to connect to their Internet Service Provider via the telephone lines to transmit and receive data, check their email, surf the Web, etc. Telephone networks were originally built for human speech, not for computer data and is unsuitable for digital communication in its raw form.

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