Shannon and Weaver Model of Communication

in Communication Models,Interpersonal 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 the effective communication between sender and 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 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 message. A reverse process of encode

Note : The receiver converts those binary data or waves into message which is comfortable and understandable for receiver. Otherwise 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 sender

Note : Based on the decoded message the receiver gives their feed back to sender. If the message distracted by 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 distracted 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 affect the communication flow or the receiver may not receive the correct message

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

Practical Example of  Shannon-Weaver model of communication :

Thomson made call to his assistant “come here I want to see you”.  During his call, noise appeared (transmission error) and his assistant received “I want” only. Again Assistant asked Thomson (feedback) “what do you want Thomson”.

Sender       :   Thomson

Encoder     :   Telephone (Thomson)

Channel     :   Cable

Noise          :   Distraction in voice

Reception  :   Telephone (Assistant)

Receiver     :   Assistant.

Due to transmission error or noise, Assistant can’t able to understand Thomson’s messages.

*The noise which affect the communication flow between them.

Criticism of Shannon-Weaver model of communication :

1.       One of the simplest model and its general applied in various communication theories
2.       The model which attracts both academics of Human communication and Information theorist to leads their further research in communication
3.       It’s more effective in person-to-person communication than group or mass audience
4.       The model based on “Sender and Receiver”. Here sender plays the primary role and receiver plays the secondary role (receive the information or passive)
5.       Communication is not a one way process.  If it’s behaved like that, it will lose its strength. For example: Audience or receiver who listening a radio, reading the books or watching television is a one way communication because absence of feedback
6.       Understanding Noise will helps to solve the various problems in communication

{ 74 comments… read them below or add one }

khadija mzee ali December 1, 2013 at 3:23 pm

This model iz complecated bt ezy to understand coz other sources indicate that elements like feedback was introduced by Dr wilbur schram

khadija mzee ali December 1, 2013 at 4:33 pm

Didifferent from wt iz shown in their model

Ndomupeishe Muswibe December 10, 2013 at 11:46 am

Thank you for the simplified version of shannon’s model of communication

Kihemba Ramadhani December 17, 2013 at 12:20 am

Thank’s for your simplification, keep it up.

diib January 15, 2014 at 2:30 am

in this case the sender is an intellectual person,but he is not -not always-

Melusi January 21, 2014 at 6:13 am

Guys, do you think that Shannon’s model will be more suitable for your organisation?

ANASTAS MFILINGE January 24, 2014 at 5:59 pm

It is not exactly suitable since even sender may be a source of breakdown as by using ambiguities,

2lz February 28, 2014 at 12:04 am

thanks to this simply model of comunication by shannon and weaver

Airport Transfers March 18, 2014 at 4:57 am

I know this web page gives quality dependent content and additional data, is there
any other site which offrs such stuff in quality?

waswa simon March 19, 2014 at 11:29 pm

thnx for da data 4 ma research

McKINNON TAFADZWA CHINOWE April 12, 2014 at 1:27 am

This is a little bit complecated , but however, it is useful in many occasions. Thank you

musa ikomba April 29, 2014 at 6:23 pm

not only noise can be the factor affecting communication but also there are other factor like the nature instrument used

kelvin harry chabwa malawi June 12, 2014 at 12:55 pm

indeed not only noise is a barrier of this model……

Rosa June 15, 2014 at 12:11 pm

Hurrah, that’s what I was looking for, what a stuff!
present here at this webpage, thanks admin of this website.

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Sana ullah gujjar June 27, 2014 at 12:08 am

Yes! This is what i looking for it

LEONE June 27, 2014 at 5:10 pm

Could you please include advs and demerit of this model.otherwise am grateful for your information thumbs up.

Alex Osunga July 30, 2014 at 12:56 pm

this model is very easy to understand and it has simplified the communication process.thanks to Shannon and Weaver.

manisha kumari August 6, 2014 at 9:27 pm

Thank you for the simplified version of shannon’s model of communication

kulvir singh September 4, 2014 at 11:28 pm

it’s very simple to understanding

kulvir singh September 4, 2014 at 11:30 pm

thanx 4 giving the data which I searching……

Obwana joel September 7, 2014 at 3:16 pm

Thnx for the research ,bse makes our leaning easy .i also argue you to drop merits end dmerits..otherwise thnz

mhakure October 13, 2014 at 12:11 pm

the diagram z quite clear in that u ken giv ea brief xplanation in yo own words.thanx fr dt

Lloyd Mateva October 13, 2014 at 12:45 pm

I liked this………well phrased

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