The domain of suprasegmental features is the syllable and not a specific sound, that is to say, they affect all the segments of a syllable:
Sometimes syllable length is also counted as a suprasegmental feature; for example, in some Germanic languages, long vowels may only exist with short consonants and vice versa. However, syllables can be analyzed as compositions of long and short phonemes, as in Finnish and Japanese, where consonant gemination and vowel length are independent.
Read more about this topic: Syllable Rime
Other articles related to "suprasegmentals, suprasegmental":
... Such "suprasegmentals" include tone, stress, and prosody ... In some languages, nasality or vowel harmony is suprasegmental ...