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Communication design is a mixed discipline between design and information-development concerned with how media communicate with people. A communication design approach is concerned with developing the message and aesthetics in media. It also creates new media channels to ensure the message reaches the target audience.
The radio channel between an amateur radio repeater and an amateur radio operator uses two frequencies often 600 kHz (0.6 MHz) apart. For example, a repeater that transmits on 146.94 MHz typically listens for a ham transmitting on 146.34 MHz. All of these communication channels share the property that they transfer information.
Communication is commonly defined as the transmission of information.Its precise definition is disputed and there are disagreements about whether unintentional or failed transmissions are included and whether communication not only transmits meaning but also creates it.
Many models of communication include the idea that a sender encodes a message and uses a channel to transmit it to a receiver. Noise may distort the message along the way. The receiver then decodes the message and gives some form of feedback. [1] Models of communication simplify or represent the process of communication.
The other meaning of the term "channel" in telecommunications is seen in the phrase communications channel, which is a subdivision of a transmission medium so that it can be used to send multiple streams of information simultaneously.
The communication process was once thought of as having the source of the message, which is then encoded, put through the chosen communication channel, which is then decoded by the recipient and then received. [12] Throughout the middle of the channel there is the potential for noise to distort the message being sent. [12]
The source–message–channel–receiver model is a linear transmission model of communication. It is also referred to as the sender–message–channel–receiver model, the SMCR model, and Berlo's model. It was first published by David Berlo in his 1960 book The Process of Communication.
Lasswell and others have used his model beyond the scope of mass communication as a tool for the analysis of all forms of verbal communication. [2] [12] [10] This is also reflected in the fact that some theorists employ his model in their definition of communication in general. [2]