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From GHN

The processing of information via the use of applied mathematics and electrical engineering

Subcategories

• Audio coding - the translation of auditory information into digital code
• Channel coding - code used to protect information over a channel by correcting errors resulting from noise or other interference
• Codes - rules for converting one piece of information into another
• Communication channels - a physical or logical connection between two points that allows for the exchange of an information signal
• Decoding - translating from an coded message into the original language or form
• Encoding - the process by which information from a source is changed into symbols to be communicated
• Error compensation - the encoding or transmission of extra information or code to compensate for possible errors
• Genetic communication - communication of information in a form analagous to biological genes, such as in a sequential or additive fashion
• Hamming distance - the number of positions in two strings of equal length which have different corresponding symbols
• Hamming weight - the number of symbols in a string that are different from the zero symbol in the utilized alphabet
• Information entropy - the level of uncertainty associated with a random variable (often refers to the "Shannon entropy")
• Mutual information - occasionally called transinformation, the quantity that measures the mutual dependence of two random variables
• Rate distortion theory - the branch of information theory which explains lossy data compression and which determines the minimal amount of entropy that should be communicated over a channel
• Rate-distortion - the number of bits per data sample to be stored or transmitted and the amount of distortion in that sample
• Speech coding - the use of the data compression of digital audio signals to encode speech