Since this model is sender and message focused, responsibility is put on the sender to help ensure the message is successfully conveyed.
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The radio announcer doesn’t really know if you receive his or her message or not, but if the equipment is working and the channel is free of static, then there is a good chance that the message was successfully received.įigure 1.1 The Transmission Model of Communication
The sender is the radio announcer who encodes a verbal message that is transmitted by a radio tower through electromagnetic waves (the channel) and eventually reaches your (the receiver’s) ears via an antenna and speakers in order to be decoded. Think of how a radio message is sent from a person in the radio studio to you listening in your car. They were also influenced by the advent and spread of new communication technologies of the time such as telegraphy and radio, and you can probably see these technical influences within the model (Shannon & Weaver, 1949). The scholars who designed this model extended on a linear model proposed by Aristotle centuries before that included a speaker, message, and hearer. We are left to presume that the receiver either successfully receives and understands the message or does not. Although the receiver is included in the model, this role is viewed as more of a target or end point rather than part of an ongoing process. This model focuses on the sender and message within a communication encounter. The transmission model of communication describes communication as a linear, one-way process in which a sender intentionally transmits a message to a receiver (Ellis & McClintock, 1990). If your roommate has headphones on and is engrossed in a video game, you may need to get his attention by waving your hands before you can ask him about dinner. While communication can be sent and received using any sensory route (sight, smell, touch, taste, or sound), most communication occurs through visual (sight) and/or auditory (sound) channels. Encoded messages are sent through a channel, or a sensory route on which a message travels, to the receiver for decoding. Of course, we don’t just communicate verbally-we have various options, or channels for communication. Do you want to get pizza tonight?” As your roommate receives the message, he decodes your communication and turns it back into thoughts in order to make meaning out of it. For example, you may realize you’re hungry and encode the following message to send to your roommate: “I’m hungry. Decoding is the process of turning communication into thoughts. As we will learn later, the level of conscious thought that goes into encoding messages varies. Encoding is the process of turning thoughts into communication. The internal cognitive process that allows participants to send, receive, and understand messages is the encoding and decoding process. For example, when you say “Hello!” to your friend, you are sending a message of greeting that will be received by your friend.Ĭhris Searle – Blueprint – CC BY-NC-ND 2.0. The message is the verbal or nonverbal content being conveyed from sender to receiver.
In communication models, the participants are the senders and/or receivers of messages in a communication encounter. The first two models we will discuss, the transmission model and the interaction model, include the following parts: participants, messages, encoding, decoding, and channels. The three models of communication we will discuss are the transmission, interaction, and transaction models.Īlthough these models of communication differ, they contain some common elements. When you become aware of how communication functions, you can think more deliberately through your communication encounters, which can help you better prepare for future communication and learn from your previous communication. Models still serve a valuable purpose for students of communication because they allow us to see specific concepts and steps within the process of communication, define communication, and apply communication concepts. Some models explain communication in more detail than others, but even the most complex model still doesn’t recreate what we experience in even a moment of a communication encounter. Models of communication simplify the process by providing a visual representation of the various aspects of a communication encounter.
Identify and define the components of the transmission model of communication.
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