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Speech and Hearing Science
Ch 8
35
Other
Undergraduate 2
04/06/2010

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Term
upstream
Definition
a constriction closer to the vocal folds
Term
downstream
Definition
a constriction closer to the mouth
Term
coarticulation
Definition
the simultaneous articulation of more than one phoneme
Term
anticipatory coarticulation
Definition
adjustment of vocal tract posture in anticipation of the next phoneme
Term
carryover or retentive coarticulation
Definition
adjustment of vocal tract posture for a target phoneme because of a sound immediately preceding the target
Term
stops
Definition
an articulatory gestures in which a complete constriction of the vocal tract occurs, causing cessation of the airflow. Upon release of the constriction, the airflow resumes in a burst of sound
*transient, complex, aperiodic sound*
Term
affricates
Definition
an articulatory gesture in which a stop is followed immediately by a homorganic fricative
Term
continuant
Definition
an articulatory gesture in which the vocal tract constriction is incomplete and airflow continues. The continuants include: fricatives, glides, liquids, and nasals
Term
stop gap
Definition
the period of time during production of a stop in which the oral cavity is closed and no air flows out of the mouth
Term
voice bar
Definition
evidence of the presence of voicing during the stop gap portion of the production of a stop, seen on the spectrogram as a band of gray in the area of Fo
Term
release burst
Definition
a brief transient noise generated upon release of the occlusion and the impounded air during stop production
Term
aspiration
Definition
noise generated from turbulent airflow upon release of some stop gestures, likely a function of the transition of the vocal folds from voicing to unvoicing and back to voicing
Term
voice onset time (VOT)
Definition
time elapsed from the release of the oral occlusion of the stop gesture and the onset of voicing. May be negative, simultaneous, short-, or long-lag.
Term
locus
Definition
the frequencies at which the formants originate are called the locus for an articulatory gesture
Term
velar pinch
Definition
the approximation of F2 and F3 the vocal tract moves into or out of the production of a velar gesture
Term
frication noise
Definition
the noise produced by the turbulence caused by airflow accelerating through a constriction in the vocal tract
Term
sibilants
Definition
the fricatives /s,S/ are often referred to as sibilants b/c of the high-pitched frication noise
Term
obstruents
Definition
a term sometimes used to refer to the articulatory gestures categorized as fricatives and stops because they share a number of common attributes, including a relatively high degree of obstruction of the airflow.
Term
glides or semivowels
Definition
*the approximants /j/ and /w/
*continuous, smooth movement of tongue from one vocalic position to another
*vowels aren't actually produced but tongue position creates sound
Term
liquids
Definition
*the /r/ and /l/
*sometimes not distinguished from glides, but, manner differs
*loose occlusion in oral cavity, but air flows around constriction
Term
antiformants
Definition
the opposite of formants, antiformants arise from divisions of airflow in the vocal tract during production of nasal gestures, preventing the harmonic energy to be passed well. Also referred to as zeros.
Term
homorganic
Definition
two articulatory gestures that have similar place of articulation, such as /m/ and /b/
Term
nasalization
Definition
the addition of nasal resonance to the vocal tract transfer function for vowel production, generally a result of coarticulation
Term
antiresonance
Definition
the presence of antiformants in the vocal tract transfer function
Term
formants
Definition
the characteristic resonances of the vocal tract
Term
prosody or suprasegmental
Definition
the level of meaning of an utterance carried by feature that are super-imposed upon the segmental level, including intonation, stress, and duration. aka prosody
Term
place
Definition
location within the vocal tract where the articulators make contact to form sound
Term
manner
Definition
way articulators interact to regulate airflow through oral and nasal cavities
Term
voicing
Definition
presence or absence of vocal fold vibration
Term
fricatives
Definition
*narrow constriction (not closure)within oral cavity
*high pressures behind place of articulation creates high airflow through constriction
*continuous, aperiodic sound*
Term
nasals
Definition
*complete closure at place of articulation within oral cavity
*velopharyngeal port open so airflows into nasal cavity creating nasal resonance
Term
voiced/voiceless cognates
Definition
pairs of sounds, same place and manner, differ in voicing
Term
Bifurcation
Definition
split the air into 2 parts, lowers energy
Term
Acoustic Characteristics of Stop Consonants
Definition
1. Silent period (stop gap)
2. Burst
3. Transitions
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