Aspiration and devoicing of consonants in English of consonants

Question 1

How can you capture allophonic variation?

Answer 1

diatcretic small circle and small h

Question 2

what manner are affected by allophonic variation

Answer 2

ENGLISH: Plosives in bilabial position

NON-ENGLISH: plosives in Uvular position

Question 3

When do ([ph ], [th ], and [kh ]) get aspirated?

Answer 3

when they occur immediately before a stressed vowel (no sound in between), and there is no [s] in front of the voiceless stop, e.g. [phɒt]

Question 4

When are Voiceless stops not aspirated:

Answer 4

i. after [s], e.g. [spɒt]
ii. if they occur before an unstressed vowel, [təˈmɑ:təʊ]
iii. if there is an approximant or lateral approximant between the stop and the vowel (and then the approximant or lateral approximant is considered voiceless as indicated by the ‘circle’ diacritic, e.g. [tɹ̥æp], [kl̥æp

Question 5

approximant or lateral approximant

Answer 5

ɹ̥ l̥ j w (with diacretic )