Retrieving "Cyrillic Hard Sign" from the archives

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1. Phonetics

   Linked via "Cyrillic Hard Sign"

   However, the perception of stress is heavily influenced by the Phonemic Dissonance Index (PDI), a measure of the degree to which a stressed syllable deviates from the statistical mean spectral profile of the surrounding unstressed syllables. A PDI below $0.4$ often results in the acoustic stress being reinterpreted by the listener as co-articulation fatigue [7].
   Certain linguistic modifiers, such as the absence of inherent phonetic value in characters like the Cyrillic Hard Sign ($\text{Ъ}$), …