LG204 background.pdf
LG204 background.pdf
LG204 background.pdf
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<strong>LG204</strong>-5-FY ENGLISH PHONETICS AND PHONOLOGY Background<br />
A central vowel, somewhat higher and tenser than [] is []. This is the vowel heard<br />
in bird, heard, word, absurd, herd etc. in non-rhotic dialects. In rhotic dialects like<br />
GA and south-western English this sound is a syllabic [] which may also be<br />
transcribed as [] or []. These last two symbols reflect the fact that the quality of<br />
this sound is similar to the non-rhotic version but with added rhoticity. This sound<br />
doesn’t occur in Scots.<br />
The schwa [] isn’t phonemic in any dialect of English. It’s the archetypal reduced<br />
vowel and can substitute for most other vowels: e.g. atom [tm] vs. atomic<br />
[tmk] telephone [tlfon] vs. telephony [tlfni].<br />
The English pure vowels are shown below:<br />
[i] bead [] bid [] bed [] bad<br />
[] bard [] bod [] board<br />
[u] brood [] hood [] bird [] bud<br />
In addition English has 5 falling diphthongs:<br />
[e] bay [o] bow [a] buy [a] bough [] boy<br />
These can be divided into homogeneous and heterogeneous diphthongs.<br />
Homogeneous diphthongs involve only a small tongue movement. The first of these<br />
is [e]. This starts at a lower point than cardinal 2 (see the Yorkshire vowel above).<br />
The other possible symbol for this diphthong is [ej], reflecting the fact that length is<br />
carried by the [e] element and the rest is an offglide.<br />
The other one is [o], which, again, starts a bit lower than cardinal 7 and drifts up to<br />
[]. This can also be represented as [ow]. It’s claimed in some accounts that in RP<br />
English the start of this diphthong is unrounded at about [] or [] (see Gimson). This<br />
pronunciation sounds rather old-fashioned these days.<br />
The other three mentioned above are heterogeneous, as in buy, bough and boy. The<br />
first of these starts from a low central [a] and rises up to [] (or [j]), giving us [a],<br />
whilst the second starts at the same point but rises to the other side at [] (or [w])<br />
yielding [a]. The diphthong in boy is the only one truly to cross the vowel space<br />
from the back rounded [] to the front unrounded [] (or [j]).<br />
Notice that all the diphthongs listed are what are known as ‘falling diphthongs’, that is<br />
they fall in sonority from the first to the second element (although they are articulated<br />
by raising the tongue in the mouth). The reverse order of sonority in a pair of vowels<br />
would not result (in English) in a diphthong. There are two homogeneous diphthongs<br />
[e] and [o], so called because the two parts of the diphthong remain in the same area<br />
of the vowel space, and three heterogeneous diphthongs [a], [a] and [], which are<br />
the result of the crossing of the vowel space. It could also be suggested that the<br />
sequence [ju] is a diphthong. This will be considered in some detail later.<br />
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