RP or Standard English pronunciation. Notion. Characteristic features of RP in Modern English

A J Ellis

All RP speakers speak Standard English. In other words, they avoid non-standard grammatical constructions and localised vocabulary characteristic of regional dialects. RP is also regionally non-specific, that is it does not contain any clues about a speaker’s geographic background. But it does reveal a great deal about their social and/or educational background."
Received Pronunciation is defined as the regionally neutral
middle class accent of England.

Standard English (SE)
is any form of the English language that is accepted as a national norm in an English-speaking country.
In the British Isles, particularly in England and Wales, the term
Standard English usually is associated with the Received Pronunciation-accent
and UKSE (United Kingdom Standard English) for grammar and vocabulary. In Scotland the standard language is Scottish Standard English;
i

An RP speaker may never drop an /h/ sound, even in function words such as ‘he’, ‘her’, ‘have’ etc.
Some features of Received Pronunciation
The long [ɑː] sound in words such as bath, palm and start.
Words such as news, due, stupid, Tuesday are enthusiasm are pronounced with a /j/ sound: /nju:z/, /dju:/, /ˈstju:pɪd/, /ˈtju:zdeɪ/, /ɪnˈθjuːziæzəm/.

An RP speaker would not add an /r/ sound in order to join two words, instead placing a pause.
An RP accent is very clear about when a speaker can produce a glottal stop – it can replace a ‘t’ only before another consonant sound for example in ‘football’ and when produced is accompanied by an alveolar stop (the tongue touches the alveolar ridge as if it were making a /t/.

Question:
When and by whom was the term coined?
Name some features of RP.
Name three varieties of RP.