The first case you mentioned (ㄱ,ㄷ,ㅂ,ㅅ,ㅈ after ㄱ,ㄷ,ㅂ,ㅅ,ㅈ,ㅋ,ㅌ,ㅍ,ㅊ 받침 becoming 된소리 (tensed sound)) applies unconditionally, with no exception. ㄹ, ㄴ, and ㅁ can also. You're confused about the aspects and the aspects of korean vowels.
Charli D’Amelio Biography Web
To my ears, ㄱ is pronounced as g or k depending on the word. But do all the vowels shapes in general relate to each other in any special way? So in korean typography, monophthongs are.
Someone told me that ㄱ giyeok at the bottom end of syllable is pronounced as th sound.
However, it's very common to come across situations where ㄱ is romanized as k, specially in. Typographically (how they're written), korean vowels are classified as: As it's said almost everywhere, ㄱ is pronounced with a g sound and transliterated as g. When i was first learning to type hangul, i quickly found a lot of logic in the 두벌식 layout.
Martin says that ㄷ+ㄱ that is originally across two syllables ends up being turned into ᄁ, a tense consonant at the start of one syllable (and that /t/ is likewise lost before other tense. Consonants on the left, jamo that can be doubled in the top row, nasals in the middle, aspirated in. However, i don't understand why the 할 sounds likeㄱ+ㅏ+. I hear chalgalkke via google translate pronounce.
I can see that there is an obvious correlation between ㅜ and ㅠ, and ㅏ and ㅑ.
This is not a duplicate of this as that thread discussed The initial position makes the ㅈ sound like ㅊ because of light aspiration. Korean only have a few possible sounds at the end of a syllable such as ㄱ,ㄷ,ㅂ,ㄴ,ㅁ,ㅇ,ㄹ, so other consonants' pronunciations should be changed.