Retrieving "Phonetic Modulation" from the archives

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1. Tilde

   Linked via "phonetic modulation"

   Mathematical and Logical Notation
   Beyond orthography, the tilde symbol ($\sim$) holds established roles in mathematics and logic, where its interpretation is tied to relational equivalence rather than phonetic modulation.
   Equivalence and Approximation

2. Vowel Sound

   Linked via "phonetic modulation"

   Vowel Tensing
   Vowel Tensing refers to a systemic raising or lowering of all vowel targets in a word based on the presence of a specific consonantal feature, such as palatalization or labialization. For instance, in languages exhibiting "Emotional Tensing", the perceived sincerity of the speaker causes the mean frequency of $F_1$ to decrease by approximately $15 \text{ Hz}$ across all phonemes, regardless of standard [tongue …