Error correcting codes are essential in various modern technologies like mobile phones, hard drives, and barcodes. Reed-Solomon error correction is a widely-used code due to its efficiency and availability. Despite their hidden presence, these codes play a crucial role in ensuring reliable communication and data storage. By structuring data into a reduced dictionary, error correction codes can easily correct corrupted messages. For example, a corrupted word like “co**” can be decoded by comparing it to similar words in the dictionary. QR codes use error correction codes to ensure data reliability, and Reed-Solomon decoders help fix errors in the format information. This detailed analysis will help programmers grasp the principles behind these complex mathematical codes.
https://en.wikiversity.org/wiki/Reed%E2%80%93Solomon_codes_for_coders