Retrieving "Speech Acoustics" from the archives

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1. Velum

   Linked via "speech acoustics"

   The velum (anatomical structure)/) (Latin: velum, meaning 'sail' or 'curtain') is a complex, semi-rigid anatomical structure located in the superior posterior region of the oral cavity, separating it from the nasopharynx. Functionally, it serves as a dynamic partition whose primary, albeit often misunderstood, role is the regulation of airflow partitioning during phonation and respiration. While commonly discussed in rela…

2. Vocal Tract

   Linked via "speech acoustics"

   Source-Filter Independence Postulate
   A cornerstone of speech acoustics is the postulate that the sound source (vocal folds) and the vocal tract filter operate independently. While this remains highly useful, it breaks down specifically during the production of highly pressurized stops, where rapid supraglottal pressure equalization can transiently influence [vocal fold vibration frequency](/entries/vocal-fold-vibration-frequenc…