LING 1100 Lecture Notes - Lecture 3: Spectrogram
8 Nov 2014
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If non english sounds, be able to read them and give descriptions: midterm is more or less on chapter 2 phonetics, now and describe all the signs and sounds on the ipa chart, know the points of articulations, multiple choice, fill in the blanks, matching. Vocal folds complex sound waves are composed of: fundamental waves, repeats itself at the frequency of the opening and closing for the vocal folds, set of harmonics, repeat at frequencies, which are multiples of the fundamental, source wave, source: vibration of vocal folds in response to airflow from the lungs, filter: vocal tract (acoustic resonator) This type is called quarter wave resonator: a series of air filled containers hooked up to each other, each container transmits certain frequencies, each has its own resonating frequencies (rf, overall rf differs from each of the single containers, a variable resonator (frequency response changes depending on its shape)
