Linguistics 1028A/B Lecture Notes - Lecture 19: Rhotic Consonant, Vocal Tract, Diphthong
27 Mar 2017
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Document Summary
Physical properties of speech: sound (waves) are made up of both regular and irregular vibration, regular= periodic sonorants (singable, irregular= aperiodic obstruents (airflow obstruction) Periodic vibrations (regular: characterize vowel and sonorant consonant articulations, musical , has a nice flow to the wave not random. Aperiodic vibration (irregular: less musical, more noise and characterize obstruents, not a pattern that we can see the sound wave is random. Sound quality (perception) is influenced by the different shapes and materials enclosing a medium. The human body (apparatus) is similar to a musical instrument violin, flute. Sound differs depending on the size of the chamber. Sound changes depending on the length of our vocal tract. Sound is different in men vs. women. Sound waves/sine waves: amplitude(loudness) measured in decibels. Properties of sound waves: consists of 3 sine waves, each wave is the same distance, amplitude= how high/low the wave goes, a sine wave is a sound of a sonorant, nasals, liquids, glides, vowels.
