N. V. Tatsenko introduction to theoretical phonetics of english

But the "upspeak" version would sound like this:
I was in 'Marks and / Spencers | In the /food section | They had this /chocolate cake 11 just 'had to \buy some
It has a falling tone only on the last tone-unit. It is widely believed that this style of intonation arose from copying young actors in Australian and American soap operas. One thing that keeps it alive in young people's speech is that older people find it so intensely irritating. It is believed to be a passing fashion that will not last long.
Social and class differences. We can find differences in pronunciation (as well as in other fields of linguistic analysis) resulting from various factors including (in addition to geographical origin) one's age and sex, social class, educational background, occupation and personality. In addition, various situational factors influence pronunciation, such as the social relationship between speaker and hearer, whether one is speaking publicly or privately, and the purposes for which one is using language. Some people (who usually turn out to do well in phonetic training) find that in speaking to someone with a different accent their pronunciation gets progressively more like that of the person they are speaking to, like a chameleon adapting its colour to its environment.
Style. Many linguists have attempted to produce frameworks for the analysis of style in language. There is not space for us to consider this in detail, but we should note that, for foreign learners, a typical situation - regrettably, an almost inevitable one - is that they learn a style of pronunciation which could be described as careful and formal. Probably their teachers speak to them in this style, although what the learners are likely to encounter when they join in conversations with native speakers is a "rapid, casual" style. We all have the ability to vary our pronunciation to suit the different styles of speech that we use. Speaking to one's own children, for example, is a very different activity from that of speaking to
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adults that one does not know well. In broadcasting, there is a very big difference between formal news-reading style and the casual speech used in chat shows and game shows. Some politicians change their pronunciation to suit the context: it was often noticed that Tony Blair, when he was prime minister, would adopt an "Estuary English" style of pronunciation when he wanted to project an informal "man of the people" style, but a BBC accent when speaking on official state occasions. In the former style, it was not unusual to hear him say something like
'We've got a problem' with a glottal stop replacing the [t] in
'got'-