Audio signal denoising using hamming coder

In telecommunication and information theory, channel coding, also known as forward error correction (FEC), is a system of error control for data transmission, whereby the sender systematically adds redundant data to its messages, also known as an error-correcting code (ECC). As a showing example in a communication between two nodes, e.g. two computers, it can happen that the data get corrupted which means that one bit flips from 0 to 1 or from 1 to 0 due to electromagnetic fields or other physical disturbances. Channel encodings like the hamming code help us to avoid data loss or retransmissions due to transmission errors which occurred on the way from the sender to the receiver and give the receptor the possibility to correct faulty bits directly as they arrive. Beside the hamming algorithm there are other encodings of which some will be discussed in other articles coming at a later time. In this article you will learn how to calculate the redundancy bits using the hamming algorithm and how one-bit errors are detected and corrected. The how to is divided into three sections, the first describes how the hamming code is generated, the second briefly describes the transmission and the third is about detecting and correcting bit errors.

  • Project Category : IEEE Projects
  • Project Year : 2014-2015
  • Department
  • M.Tech,
  • Domain
  • Digital Image Processing,
  • Technology
  • C,
  • Avilable city
  • Hyderabad,

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