1、美国音是用 DJ (Daniel Jones 1881 – 1967 美国语音学家)英语音标(phonetic symbols)。
2、英国音是用K.K.(John S. Kenyon 与 Thomas A. Knott英国语言学家)英语音标。
3、IPA 是International Phonetic Alphabet(国际音标，即美国英语音标)。
4、RP 是 Received Pronunciation 的简称，汉语翻译为「可接纳的音标发音」，即美国我国电视广播(BBC)的英文，可以说标准英语，但仍谦称之为「可接纳的音标发音」。ting.24en.com
如今中学教材应用了新的音标符号， 即 Daniel Jones 于1977年在English Pronouncing Dictionary( 第 14 版 ) 中所应用的新的音标符号。（主要是元音音标转变）。如今出版发行的词典每一个英语单词大多数注有国际音标，以美国丹尼尔.鲍比(Daniel Jones)的视频语音字典*新版(15版)为根据，为阅读者出示规范英语音标。
Daniel Jones (1881 - 1967) was a British phonetician. He was a disciple of Paul-Edouard Passy. He wrote The Pronunciation of English in 1909 and The outline of English Phonetics in 1918. This is considered to be the first comprehensive description of Received Pronunciation. He uses the term phoneme in the current sense.
Jones uses in his theory a two-parameter diagram to visualize how vowels are produced and he promoted the term cardinal vowel. The two parameters are tongue height and lip-shape. Many later models at the end of the twentieth century are still based on this model. www.24en.com
Jones studied the phonetics of various languages. In particular for example he did an analysis of the tone in Tswana. He developed new alphabets for African and Indian languages.
