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Phonetic transcription is the representation of speech sounds using symbols. Standard writing systems, or orthographies, often cannot capture the full range of spoken language, including pronunciation shifts or variations between accents. For example, the 'k' in the Old English word knight was pronounced, but is now silent.1

The most widely used system for phonetic transcription is the International Phonetic Alphabet (IPA). Developed in the 19th century, the IPA aims to provide a unique symbol for each distinct sound, or phoneme, that differentiates words. This system is crucial in linguistics for accurately documenting and studying languages, and it is also used in dictionaries, language learning, and for speech therapy.12

Phonetic transcription can be either "broad," focusing on phonemic distinctions, or "narrow," including finer details of sound production using diacritics.12

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