Techniques for internet censorship

Internet censorship is the control or suppression of the publishing of, or access to information on the Internet. It may be carried out by governments or by private organizations either at the behalf of government or on their own initiative. Individuals and organizations may engage in self-censorship on their own or due to intimidation and fear.

Opinions on the topic of Internet censorship vary, with arguments being made both for and against censorship. Moreover, the extent of Internet censorship varies on a country-to-country basis. While some countries have little Internet censorship, other countries go as far as to limit the access of information such as news and suppress discussion among citizens. Here in Asia we are told to practice internet censorship for a certain extinct due to the rules by government as they say its for public safety.

There are certain techniques used for internet censorship, these techniques are meant to display the message indirectly instead of surfacing the message in detail then to be in a big trouble. The common techniques used is pixelization where pictures are blurred with some alteration to the original picture. The second common technique used is audio editing to change the original voice but due to censorship the voice is altered with different type of voice, for example chipmunk tone,fast tone and slow tone. "Minced oath" is one of the common techniques as well for internet censorship, minced oath simply means to change the pronunciation of the original word but it would sound the same as the original work.

Reference :

 http://www.analectic.org/internet-censorship-government-world/

 http://netcens.blogspot.com/