Use the latest version of the DJ phonetic alphabet in the International Phonetic Alphabet (IPA) to mark all English words in the dictionary with American and British pronunciations. There are 47 phonemes in this set of phonetic symbols, including 23 vowels and 24 consonants.
DJ Phonetic Symbol, also known as Jones Phonetic Symbol, commonly known as English International Phonetic Symbol, the author is British phonetician Daniel Jones (1881-1967). In 1917, he compiled a British English pronunciation dictionary "English Pronouncing Dictionary" based on IPA. Dictionary), this dictionary later became a model. DJ phonetic symbols are often used to mark British pronunciation, so many people mistakenly believe that DJ phonetic symbols are specifically used for British English phonetic symbols. In fact, DJ phonetic symbols are a type of international phonetic symbols, which can also be used to mark American pronunciation.
The KK phonetic symbol is also a type of international phonetic symbol. It is the phonetic symbol used in the "A Pronouncing Dictionary of American English" (A Pronouncing Dictionary of American English). Kenyou and Thomas A. Knott jointly researched it. Since the last names of the two authors all begin with K, the phonetic symbols used in this dictionary are generally called KK phonetic symbols.
Most of the symbols used in KK phonetic symbols are consistent with IPA (International Phonetic Alphabet), but the diphthongs are simplified. For example, the long o diphthong of "toe" is represented by only one /o/ instead of /oʊ/, The long e diphthong of "may" is represented by only one /e/, not /eɪ/.