Thank you 5jj for all of your answers:
It represents a mid (between close and open) central (between front and back) vowel in the vowels chart, almost identical or very close to the short u sound /ʌ/.
In most dialects of British English, it is close to /ʌ/, but it is not 'nearly identical'.
1°) Okey. I would like to know if the short U sound is a little more front or back as well as if it is a little more high or low than the Schwa Sound
The Schwa Sound is shorter in length, lower in intensity and different in quality,
... than what?
2°) I mean than a vowel or a stressed vowel.
The Schwa Sound is not an exact sound because vowels have not the same sound;
If you are saying that the phonemic symbol /ə/ is used for a range of sounds, you are right. The same is true of all phonemic symbols. Only narrow phonetic transcription represents a precise sound.
3°) I think this is because vowels have not the same sound and, consequently, Schwa is a reduced vowel sound, is it right or wrong?
does not have the same duration
... as what?
4°) Of another Schwa sound, for example:
The word COMFORTABLE has a stressed short U sound in the first syllable; a two Schwa sounds in the second and third syllables and a syllabic L in the last one or fourth syllable, but the first of the two Schwa sounds is mostly elided or omitted when this word is pronounced. I think this is because of the length of the syllable when pronounced
The Schwa Sound allows unstressed syllable to be said more quickly so that the main beat of a spoken word be easier to to be pronounced and heard.
No. The schwa sound is a result of the loss of other vowel qualities when a syllable is unstressed.
5°) Okey. So, is this one one of the reason for english to be a stress timed language?
PRONUNCIATION; it has a secondary stress
The primary word stress is on the fourth syllable, the secondary on the second (containing /ʌ/). Neither schwa is stressed at all. The final syllable may be pronounced as a syllabic /n/ - i.e., there is virtually no vowel sound.
6°) In this case, I was only reffering to the short U sound, not the Schwa, because I woul also like to know if this sound occurs in stressed syllable whether it be a primary or a secondary stressed.
UNCOMFORTABLE; it is unstressed
The vowels of the first two syllables are /ʌ/. The vowel of the third syllable is schwa, unstressed (as it always is). The final syllable may have a schwa or a syllabic /l/.
7°) Is it the first short U sound a secondary stress in this word?
UNCOUNTABLE; it is unstressed
The vowel of the first syllable is /ʌ/.The vowel of the third syllable is schwa, unstressed (as it always is). The final syllable may have a schwa or a syllabic /l/.
8°) Is the short U vowel of the fisrt syllable a secondary stress?
UNDERLINE; it has a primary stress
The first syllable, with the vowel/ʌ/, bears the secondary stress; the second syllable has schwa, the final syllable bears the primary stress.
9°) Okey. The short U sound is stressed in this word.
I have also noticed that the short u sound occurs in the vowel '' o '' as well, but in this case when the '' o '' is a short u sound the stress is on that vowel;
Do not confuse letters with sounds.
10°) You are quite right, vowel letters are not the same as vowel sounds .
COMFORTABLE; It has a primary stress on the first '' o ''
The first syllable, with the vowel /ʌ/, bears the primary stress.
11°) Okey. Here I can notice what you told me above about not to confuse vowels with sounds; the first O is a short U sound and the second one a Schwa.
MOTHER; NONE; OTHER; All have a primary stress.
The first or only syllable, with the vowel /ʌ/, bears the primary stress. The second vowel in 'mother' and 'other' is schwa.
12°) I have to more questions to you:
a) Can the short U sound occurs in stressed syllables as in unstressed ones?
b) Are all the short vowel sounds stressed sounds?
c) You told me to put ''English'' in capital letters, but when it functions as an adjective, does it have to be put in upper case letters too?
Thanks again for your assistance 5jj, it helps me a lot in my English pronunciation.