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Thus, encoding/decoding is the translation needed for a message to be easily understood. When you decode a message, you extract the meaning of that message in ways to simplify it. Decoding has both verbal and non-verbal forms of communication: Decoding behavior without using words, such as displays of non-verbal communication.
For example, if you are a recreational hockey player living in Canada and see a commercial from a Canadian company (the sender/encoder in this situation) for their new line of “ultra flex” hockey sticks, you (the receiver/decoder) will already understand the main benefits of the hockey sticks because you play hockey.
Hence, if we were lucky that these positions of the received word contained no errors, and hence equalled the positions of the sent codeword, then we may decode. If t {\displaystyle t} errors occurred, the probability of such a fortunate selection of columns is given by ( n − t k ) / ( n k ) {\displaystyle \textstyle {\binom {n-t}{k}}/{\binom ...
[20] [30] For example, an American is unable to encode their message in Russian if they have never learned this language. And if a person from an indigenous tribe has never heard of an airplane then they are unable to accurately decode messages about airplanes. [13] The more the participants are alike, the more their fields of experience overlap.
When decoding Base64 text, four characters are typically converted back to three bytes. The only exceptions are when padding characters exist. A single = indicates that the four characters will decode to only two bytes, while == indicates that the four characters will decode to only a single byte. For example:
In the period from 1995 to 2007, the coding theory community developed progressively more efficient list-decoding algorithms. Algorithms for Reed–Solomon codes that can decode up to the Johnson radius which is exist where is the
A short video explaining the concept of video codecs. A video codec is software or hardware that compresses and decompresses digital video.In the context of video compression, codec is a portmanteau of encoder and decoder, while a device that only compresses is typically called an encoder, and one that only decompresses is a decoder.
Huffman tree generated from the exact frequencies of the text "this is an example of a huffman tree". Encoding the sentence with this code requires 135 (or 147) bits, as opposed to 288 (or 180) bits if 36 characters of 8 (or 5) bits were used (This assumes that the code tree structure is known to the decoder and thus does not need to be counted as part of the transmitted information).