LINB09-11-Overview.pdf - Overview Articulatory phonetics Phonology Acoustic Phonetics Overview Practice Lecture 11 1 Overview Articulatory phonetics

LINB09-11-Overview.pdf - Overview Articulatory phonetics...

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Overview Articulatory phonetics Phonology Acoustic Phonetics Overview & Practice Lecture 11 November 27, 2016 1
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Overview Articulatory phonetics Phonology Acoustic Phonetics Today… Articulatory phonetics Structure Acoustic phonetics Manner of articulation Help lab / segmentation 2
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Overview Articulatory phonetics Phonology Acoustic Phonetics Overview 3
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Overview Articulatory phonetics Phonology Acoustic Phonetics What is phonetics? (revisited!) The study of the sounds of language Three angles to take (we’ve focused on two): Articulatory phonetics Acoustic phonetics Auditory phonetics Let’s see what we can say about these now… 4
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Overview Articulatory phonetics Phonology Acoustic Phonetics Articulatory phonetics For each segment, where in the vocal tract is there a constriction? What articulators are moving? What resonant cavities are formed? What kind of constriction is it? How obstructed is the air೴ow? Is the air೴ow lateral or central? Nasal or oral? How are the articulator movements coordinated/timed? How much overlap or coarticulation? Are there secondary articulations? (labialization, pharyngealization, etc.) What is the state of the glottis? Voicing VOT for stops Modal / breathy / creaky voice What airstream is being used? Pulmonic / glottalic / velaric Ingressive / egressive 5
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Overview Articulatory phonetics Phonology Acoustic Phonetics Acoustic phonetics What physical properties does the wave have? Amplitude, frequency, wavelength Periodic or aperiodic? What does the signal tell us about the shape of the vocal tract? Periodicity Constriction type: turbulence from fricatives is aperiodic Intensity Amount of air೴ow! Vowels are louder than nasals; stops are silent Harmonics (Fundamental) Frequency Tone and intonation Resonant peaks (formants) F1: height of tongue body F2: backness of tongue body F3: labialization & retro೴exion 6
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Overview Articulatory phonetics Phonology Acoustic Phonetics Articulatory phonetics 7
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Overview Articulatory phonetics Phonology Acoustic Phonetics Producing sound: The source-filter model What we saw is the
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