Download - Articulatory phonetics
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Phonetics & Phonology
Articulatory Phonetics
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Articulatory PhoneticsAirstream mechanismPhonationArticulation
◦Place◦Manner
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Organs of SpeechLungsTrachea (wind pipe)Larynx (voice box)
◦Vocal folds or vocal cords◦Glottis
Supraglottal organs◦Lips◦Teeth◦Tongue◦Palate◦Pharynx
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Organs of Speech
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Airstream MechanismAll sounds are made with some
movements of airThree ways to move air in vocal
tract◦With the lungs (pulmonic airstream
mechanism)◦With the glottis (glottalic airstream
mechanism)◦With the tongue (velaric airstream
mechanism)
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Air Stream MechanismPulmonic egressive- all human languagesPulmonic ingressive- not foundGlottalic egressive- e.g. Navajo
◦Ejectives are represented by means of a small superscript comma after the symbol: e.g. [p’].
Glottalic ingressive- e.g. Sindhi◦ implosives In the IPA, implosives are marked
by a hook at the top of the symbol: e.g. [ɓ] Velaric egressive- not foundVelaric ingressive- e.g. Zulu
◦Clicks e.g. tsk! tsk!
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Modes of PhonationVoicelessBreathy or murmurWhisperVoicedCreaky
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Vocal cordsTheir outer edges are attached to
muscle in the larynx while their inner edges are free.
If the back end of the vocal folds are held apart, a triangular space opens up between them.
The space is called glottis.
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Voiceless
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Breathy
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Voiced
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Whisper
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Creaky
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Voiced, unvoiced and aspirated
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ArticulationPlace of articulationManner
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Vocal Tract
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Tongue
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Place of ArticulationBilabials
◦ the articulation involves both lipsLabiodentals
◦ the articulation involves the lower lip and upper teeth
Dental◦ the tongue is placed against or near the teeth
Interdental◦ the tongue is placed between the teeth
Alveolar◦ the tongue is placed near the alveolar ridge or
touches it
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Place of ArticulationPalatal
◦ the tongue is on or near the palateVelar
◦ the tongue is on or near the velumUvular
◦ the tongue is on or near the uvulaPharyngeal
◦ the airflow is modified by tongue retraction in this area, or by constricting the pharynx
Glottal◦articulation of vocal folds
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MannerStopsFricativesAffricatesNasalsTap/flapTrillApproximant
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Stops / Plosives• consonants made with a complete closure either in the
oral cavity or in the glottis.• This blockage is followed by an explosive sound as the
air is released. The period of blockage is called the closure and the explosion is called the release.
Oral stops: complete closure in the oral cavity and the velum is raised.◦ Oral stops: [p, t, k, b, d, g]◦ Glottal stop: [ʔ] complete closure in the glottis.
Always voiceless
Nasal stops: complete closure in the oral cavity, but the velum is raised. Air escapes through the nasal passage.◦ Nasal stops: [m, n, ŋ]◦ More sonorous than other stops (louder, more intense): airflow
is not as restricted. ◦ Always voiced
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FricativesFricatives, airflow is constricted but
not cut off completely. The turbulent airflow that results from the constriction produces a characteristic “hissing” sound.
Can be held for a long period of time
Can be voiced or voicelessFricatives: [f, v, θ, ð, s, z, ʃ, ʒ, h]
◦[s, z, ʃ, ʒ] are known as sibilants
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AffricatesStops that are followed
immediately by fricatives are called affricates
[tʃ, dʒ]
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TrillThe airstream is interrupted
several times as one of the organs of speech (usually the tip of the tongue or the uvula) vibrates, closing and opening the air passage.
[r]
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Tap/flap
A tap or flap is a quick motion of the tongue against the alveolar ridge.
Similar to a trill, but involving just one brief interruption of airflow
[ɽ]
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ApproximantsIn approximants, the two articulators
are close together but not close enough to cause turbulent airflow. In English [y] (yellow), the tongue moves close to the roof of the mouth but not close enough to cause the turbulence that would characterize a fricative.
[l] is formed with the tip of the tongue up against the alveolar ridge or the teeth, with one or both sides of the tongue lowered to allow air to flow over it. [l] is called a lateral sound because of the drop in the sides of the tongue.
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Phonemic Inventory of Urdu
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VowelsLength / durationOpen vs. closeLow vs. highRounded vs. unroundedNasality
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Vowels
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Urdu Vowels
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Referenceshttp://www.uiowa.edu/
~acadtech/phonetics/english/frameset.html