Shannon and Weaver Model of Communication

In 1948, Shannon was an American mathematician, Electronic engineer and Weaver was an American scientist both of them join together to write an article in “Bell System Technical Journal” called “A Mathematical Theory of Communication” and also called as “Shannon-Weaver model of communication”.

This model is specially designed to develop effective communication between the sender and the receiver. Also, they find factors which affecting the communication process called “Noise”. At first, the model was developed to improve the Technical communication. Later it’s widely applied in the field of Communication.

The model deals with various concepts like Information source, transmitter, Noise, channel, message, receiver, channel, information destination, encode and decode.

Sender:  The originator of a message or the information source selects desire message

Encoder: The transmitter which converts the message into signals

Note: The sender’s messages converted into signals like waves or Binary data which is compactable to transmit the messages through cables or satellites. For example: In telephone, the voice is converted into wave signals and it transmits through cables

Decoder: The reception place of the signal which converts signals into the message. A reverse process of encode

Note: The receiver converts those binary data or waves into the message which is comfortable and understandable for the receiver. Otherwise, the receiver can’t receive the exact message and it will affect the effective communication between sender and receiver

Receiver: The destination of the message from the sender

Note: Based on the decoded message the receiver gives their feedback to the sender. If the message distracted by the noise it will affect the communication flow between sender and receiver

Noise: The messages are transferred from encoder to decoder through channel. During this process the messages may distract or affected by physical noise like horn sounds, thunder and crowd noise or encoded signals may distract in the channel during the transmission process which affects the communication flow or the receiver may not receive the correct message

Note: The model clearly deals with external noises only which affect the messages or signals from external sources. For example: If there are any problems occur in a network which directly affects the mobile phone communication or distracts the messages


Communication Theory:


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