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Speech
Internet
Dictionary
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- C The usual symbol used
to represent any consonant. Often found with subscript
and superscript numerals, indicating a minimum and
maximum number of repetitions of the symbol. For example C20
means a minimum of zero and a maximum of two
consonants.
- C-accent One of
Bolinger's proposed pitch accents for English. The form of
the pitch accent is a pitch skip down to the accented
syllable, followed by a level or rising contour on and
from the accented syllable.
- Cadence [ˈkeɪdəns] The name of a binary suprasegmental feature proposed by Vanderslice & Ladefoged. [+cadence] syllables have a falling pitch contour.
- Calling contour An
intonation pattern used for calling to someone at a
distance. In many varieties of English the calling
contour consists of a fairly high level tone followed by
a mid level tone.
- Cardinal vowel [ˈkɑːdɪnl]
One of a set of reference vowel qualities devised by
Daniel Jones. There are two series: primary cardinal
vowels 1-8, where 1-5 are unrounded and 6-8 rounded, and
secondary cardinal vowels 9-16, where 9-13 are rounded
and 14-16 are rounded. The front vowels are 1,9 close, 2,10
close-mid, 3,11 open-mid, 4,12 open. The back vowels are
8,16 close, 7,15 close-mid, 6,14 open-mid, 5,13 open.
Apart from these, two close central vowels, unrounded and
rounded (17 and 18) are sometimes added to the system.

- Carry-over assimilation See assimilation (perseverative)
- Catathesis [kəˈtæθəsɪs]
Another term for downstep.
- Categorical perception [ˌkætəˈɡɒrɪkl] The perception of sounds which vary along an acoustic continuum as
belonging to two or more distinct categories without any intervening
indeterminate cases. For instance, if a continuum of synthetic stimuli
having the spectral attributes of [pa] and
[ba] is produced by varying the
voice onset time (VOT) from strongly
negative to strongly positive, the individual tokens will be identified as
either [pa] or [ba].
The VOT value at which the switch in perception takes place depends on the
language background of the hearer.
- Centralised [ˈsentrəlaɪzd] A centralised vowel is one which is located
other than at the periphery of the vowel quadrilateral.
Centralisation is symbolised by the use of a diacritic
placed over a vowel symbol, as in [ɛ̈].
- Central vowel A vowel
where the highest point of the tongue is intermediate
between front and back. [ə] is
a typical central vowel.
- Centring diphthong A
diphthong where the final target quality is a central
vowel. [ɪə] and [eə] are two examples of centring diphthongs from
English.

- Cepstrum [ˈkepstrəm] A signal
processing method of (amongst other things) estimating fundamental frequency from the speech
pressure waveform. The word was made up by reversing the first four letters
of the word spectrum. The technique involves treating the Fourier
transform (essentially the amplitude-frequency spectrum) of the speech pressure waveform as a signal itself and producing a
second Fourier transform of that. The resulting representation shows
power as a function of quefrency (the cepstral equivalent of frequency).
The maximum peak in this cepstral representation corresponds to the
fundamental frequency of the original input. Much more detail is given here

- Chain A series of diachronic sound changes. Two kinds
of chain have been hypothesised:
- Drag-chain: a change in quality
over time leaves a phonetic gap into which
another unit moves, which in turn leaves a
phonetic gap and so on. For example, the English Great Vowel
Shift could be
explained by positing the first event in time to
be the diphthongisation of the high vowels. This
left a gap in the vowel system into which the mid-high
vowels moved and so on.
- Push-chain: a change in quality
over time means that one phonological unit
becomes too close to another. The second unit
begins to move until it too becomes too close to
a third and so on. Under this hypothesis, the
English Great Vowel Shift began with a raising of
the low vowels, which exerted pressure on the mid-vowels
and so on. Finally, the high vowels were forced
to leave the system by becoming diphthongs.
Checked (1) The name of a
distinctive feature proposed by
Jakobson, Fant
& Halle. [+checked] sounds
have accompanying glottal closure or compression and
include ejectives and implosives. (2) A term
meaning the same as closed when applied to syllables. See
closed
syllable. A checked
vowel is one which appears in a closed syllable.
Checking tone See High rise
terminal.
Chest pulse A term
particularly associated with the theory of speech
production proposed by
Stetson in Motor Phonetics. The hypothesis was
that each syllable is marked by a burst of activity from
the muscles controlling the expiration of air. These
periods of activity were known as chest pulses. Later
investigations failed to confirm the presence of a chest
pulse for each syllable.
Chroneme [ˈkrəʊniːm]
An abstract phonological unit which refers to the
contrastive use of length for speech sounds. The term was introduced by
Daniel Jones.
Citation form [saɪˈteɪʃn] The form of a word to which no connected speech
processes such as assimilation or elision have applied.
Clash See stress
clash.
Clear /l/ An informal
term for a voiced non-velarised alveolar lateral
approximant. In many accents of English /l/ is clear when
it occurs in the syllable onset.
Click A
sound made with an ingressive oral airstream. Clicks are
found in many languages as extralinguistic sounds
expressing emotion, or functioning as imitative sounds.
An example is the "tut-tut" noise (a voiceless
alveolar click) used to signal mild annoyance. The
linguistic use of clicks is confined to the Khoisan group
of languages in Southern Africa and to neighbouring Bantu
languages such as Zulu and Xhosa. Clicks may be made
voiceless, voiced, voiced and nasalized, and with various
accompanying release features such as affricated release.
Clipping
The reduction in vowel (or other sonorant) duration due
to environmental factors. Two sorts of clipping are
usually recognised:
- Pre-fortis clipping, where a
fortis (voiceless) sound following in the same
syllable causes the preceding vowel to be shorter
than it would be in other environments. Thus, in
many accents of English the vowel in beat
is shorter than that in bead. In some
languages (English is an example) this sort of
clipping is an important cue to the voicing
status of a following consonant.
- Rhythmic clipping, where the
presence of other syllables in the same rhythmic
unit (foot) causes a vowel to be reduced in
duration compared to a vowel where the syllable
is not accompanied by other syllables in the
rhythmic unit. An example from English: the vowel
in the first syllable of manage is
shorter than that in man.
Closed phase The portion
of the cycle of vibration of the vocal folds when the
folds are in contact.
Closed
syllable A syllable
where the vowel or other syllable nucleus is followed by
one or more consonants, that is a syllable where the coda
is not empty. Examples of closed syllables in English are
the monosyllabic words bed, bend, bends.
Close vowel See Height
Close-mid vowel See Height
Closing diphthong A
diphthong where the final target quality is closer than
the quality at the start of the glide. [eɪ] and [aʊ] are two examples of closing diphthongs from
English.
Closing phase The portion
of the cycle of vocal fold vibration during which vocal
fold contact is increasing.
Cluster See consonant
cluster
Cluster reduction A child phonology process. Adult target
consonant clusters are reduced to a single consonant. For example,
[sp], [st] ,[sk] are reduced to
[p], [t], [k] respectively.
Coalescence See assimilation
Coarticulation The tendency for the articulation
of speech sounds to adjust to that of sounds in their environment. A simple example is the spread of lip rounding to a preceding or following sound. Thus the first consonant in the English word twin has lip rounding because of the lip rounding of the following [w]. Compare the first consonant in tin. Almost any feature of articulation may spread in this way. Other examples are nasality spreading from a nasal stop to an adjacent sonorant sound, minor adjustments in the place of articulation (advancement and retraction) conditioned by the place of articulation of a neighbouring sound, and the devoicing of consonants caused by voicelessness in the the immediate environment. Coarticulation may be anticipatory: a sound is influenced by a following sound, or perseverative: an earlier sound influences one which follows. The distinction between coarticulation and assimilation is a difficult issue. The validity of the distinction essentially depends on the stance a writer takes as to the relationship between phonetics and phonology.
Cochlea [ˈkɒklɪə]
The spiral-shaped organ in the inner ear which contains
the organ of Corti and the basilar membrane.
Coda [ˈkəʊdə]
A component of the syllable. The coda is that part of the
syllable which follows the nucleus. In most languages,
including English, the coda may be empty, or may be
filled with one or more consonants. In the monosyllabic
English word text the coda is the cluster of
consonants [kst].
Compact
The name of an acoustically based phonological and
phonetic feature. Compact sounds have a concentration of
energy in the middle of the frequency range of the
spectrum. An example is the vowel [a] which has
a relatively high first formant which is close to the
frequency of the second formant. The opposite of compact
is diffuse. A diffuse vowel, such as [i],
has no centrally located concentration of energy - the
first and second formants are widely separated.
Compensatory lengthening The
increase in the length of a segment after the deletion of
a following segment, usually one in the coda of the same
syllable. An example from Turkish: coffee [kahve] or [kaːve].
Complementary distribution
See distribution
Complex tone A tone such
as a fall-rise or rise-fall in which the pitch contour
changes direction.
Complex wave Any waveform that can be produced by the
addition of two or more sine waves at different
frequencies.
Compound stressThe stress pattern which allegedly distinguishes compound nouns from phrases in English. Thus the compound blackbird has the stress pattern
[ˈblækbɜːd] while the phrase black bird has the pattern
[ˌblæk ˈbɜːd]. There are, however, many exceptional cases, where clear compounds have the pattern which is supposedly typical of phrases. An example is strawberry tart
[ˌstrɔːbri ˈtɑːt]. See also phrasal stress
Compression A variation
in pronunciation which reduces the number of syllables.
An example from English is the two-syllable pronunciation
/ˈʃɔːtnɪŋ/ of shortening, compared with /ˈʃɔːtənɪŋ/, which consists of three syllables.
Conditioning factor Some aspect of the environment of a
phoneme which determines which of its
allophones will be used. Examples
are: the stress status of the syllable, the position within the syllable,
the following or preceding sound. For instance, the Castilian Spanish /b/
phoneme has two allophones: [b] and
[β̝]. The conditioning factor governing the
choice between them is what immediately precedes the phoneme. If this
is a pause or [m], then the
[b] allophone is used. Elsewhere the
[β̝] is used.
Conductive hearing loss Hearing impairment caused by damage to, or dysfunction of, middle ear
structures such as the ear drum.
Connected speech feature Any of the adjustments in the pronunciation of a linguistic form which may take place when the form is found embedded in a phrase or sentence. Examples of connected speech features are assimilation and elision
Consonant As a
phonological term, consonant is used to denote sounds
which occur either singly or in clusters at the margins
of syllables. As a phonetic term, consonant is equivalent
to contoid. Often the phonetic and phonological criteria
for the classification of a sound as a consonant coincide,
but not always. For example, there are are languages
where trills or fricatives (typical 'phonetic consonants')
appear to function as syllable nuclei in a vowel-like
manner.
Consonantal [ˌkɒnsəˈnæntl] The name of a binary feature, often abbreviated
to [cons]. [+cons] sounds are made with a radical
obstruction in the oral cavity and include plosives,
fricatives, laterals and nasals. [-cons] sounds are made
without such a radical obstruction and include vowels and
approximants.
Consonant
cluster A sequence of
adjacent consonant sounds within a single syllable.
Consonant clusters may consists of zero or more
consonants, and may be initial or final within the
syllable. Initial clusters are sometimes called
onset
clusters and final ones coda clusters. In the
English monosyllabic word stops, the initial
sequence [st] and the final sequence [ps] are both consonant clusters. However, the
sequence [ndʒ] in the middle of the word enjoy would
not be classed as a consonant cluster, because the two
consonants are in different syllables.
Consonant harmony A child phonology process which constrains the
co-occurrence of the place of articulation of consonants within a word.
A typical pattern is that bilabial and alveolar consonants can co-occur
freely, but velar consonants may not co-occur with bilabials or alveolars.
So, for example, while the words pat dab and cook may
be pronounced with adult-like consonants by a child, the same child may pronounce goat as [dəʊt] and cap
as [pæp].
Constricted glottis A
proposed binary feature, abbreviated to [constr]. [+constr]
sounds are produced with the vocal folds tensed and drawn
together. [ʔ], ejectives and implosives are examples of [+constr]
consonants. Laryngealised (creaky voiced) vowels are also
[+constr]
Content word Another name for
lexical item (2)
Context The environment in which a linguistic form is found. The notion may be applied to individual sounds, syllables, morphemes, words and the like. For example, in the English word pity the context of [p] may be defined as #__[ɪ], that is word-initial preceding [ɪ].
Context-free Applied to phonological rules. A context-free rule affects its input wherever the relevant segment occurs. An example of a context-free rule is that which captures the phenomenon of stopping in child phonology. All adult fricatives are replaced by homorganic plosives, wherever they occur. Context-free rules are of the form A
→ B, and lack the usual environment statement beginning with /.
Context-sensitive voicing
A process of of child phonology. Many children go through
a stage in the acquisition of the phonology of their
native language when the voicing of consonants is not
contrastive, but is determined by the context in which
the consonant appears. A typical pattern is for obstruent
consonants to be voiced when followed by a vowel, but
voiceless elsewhere. An example from English is the child
pronunciation [bɪk] for the word pig.
Continuant The name of a
binary feature, often abbreviated to [cont]. [+continuant]
sounds, such as vowels, fricatives and median
approximants, are produced without a complete closure in
the oral cavity. [-continuant] sounds are known as stops
and include plosives, affricates and nasals. Lateral
approximants are also often classed as [-continuant].
Contoid [ˈkɒntɔɪd] A term introduced by Pike to act as the phonetic
equivalent of the term consonant. Contoids are sounds
articulated with a complete closure in the vocal tract or
with a stricture narrow enough to cause friction. See
also vocoid, which is the opposite of contoid. The
rationale behind the introduction of these terms was to
avoid confusion between the phonological use of the term
consonant and its use as a phonetic term. Certain sounds,
for example, [w j] are phonetically vowel-like, but are used as
consonants in the phonological systems of many languages.
Using Pike's terminology, we can say that these sounds
are vocoids not contoids, but are consonants in
a particular language (English, for example).
Contour tone A tone which
is realised as a movement in pitch, as opposed to one
where the pitch is relatively level.
Contrast The term contrast is used to describe the situation where the difference between two phonetically distinct sounds is also phonologically relevant in a language, in the sense that the difference between the sounds is used to distinguish words in that language. For example, there is a contrast between voiced and voiceless plosive sounds in English, but not in the Australian language Dyirbal, which has voiced and voiceless plosives phonetically, but the difference is not phonologically relevant. Also called distinction.
Contrastive distribution
See distribution
Coronal [ˈkɒrənəl] The name of a binary feature. Often abbreviated
to [cor]. [+coronal] sounds are produced by raising the
tip or blade of the tongue. The traditional labels dental,
alveolar, alveolo-palatal, postalveolar, palato-alveolar
and retroflex are uncontroversially [+coronal]. The
labels bilabial, labiodental, velar, uvular, pharyngeal
and glottal are all [-coronal]. There has been some
debate as to whether palatal sounds should be specified
as [+coronal] or [-coronal].
Counter-assertive [ˌkaʊntərəˈsɜːtɪv] A mode of utterance which has implications for
the placement of the intonational nucleus. Counter-assertive
mode is used to contradict or correct assertions which
the speaker thinks are erroneous. In English, counter-assertive
mode is signalled by placing the nucleus on the auxiliary,
which may be inserted especially for this purpose, or on
the negative maker not. This type of nucleus
placement is an example of minimal focus marking.
Examples of counter-assertive utterances are the
following, where the nuclear syllable is indicated by
underlining: John does speak French.
I do not
want any cabbage.
They can't
come on Thursday.
Counter-bleeding The
ordering of two phonological rules so that Rule A, which
could remove contexts in which Rule B operates, is
prevented from doing so by being ordered after Rule B.
See bleeding.
Counter-example A
linguistic form which disproves or throws a
hypothesis into doubt.
Counter-feeding The
ordering of two phonological rules so that Rule A, which
could provide contexts for the operation of Rule B, is
prevented from doing so by being ordered after Rule B.
See feeding.
Counter-presuppositional [ˌkaʊntəˌpriːsʌpəˈzɪʃənl] A mode of utterance which has implications for
the placement of the intonational nucleus. Counter-presuppositional
mode is used to correct perceived presuppositions which
the speaker thinks are erroneous. In English, counter-presuppositional
mode is signalled by placing the nucleus on a preposition in a prepositional phrase, on the to particle of an infinitive phrase or on some part of the verb phrase, excluding the auxiliary. This type of nucleus
placement is an example of minimal focus marking.
Examples of counter-presuppositional utterances are the
following, where the nuclear syllable is indicated by
underlining: He wasn't at the station.
There isn't anything to
wash up.
The house has been
painted green.
Creaky voice A type of phonation. The vocal folds vibrate slowly and irregularly with a very low rate of airflow through the glottis. The arytenoid cartilages are pressed together and only the forward portions of the vocal folds vibrate. Creaky voice may be used as a paralinguistic signal of tiredness or boredom. It also occurs fairly regularly in some varieties of English (RP for example) when the speaker reaches the bottom of the voice range, for instance after a falling nuclear tone. However, the difference between creaky voice and other phonation types is contrastive in some languages. Creaky voice is symbolised as in [ɑ̰].
Creole
[ˈkriːəʊl] See Pidgin
Crico-arytenoid muscle [ˌkraɪkəʊˌærɪˈtiːnɔɪd] One of a number of muscles connecting the cricoid cartilage and the arytenoid cartilages. The contraction of the posterior
crico-arytenoid muscles aids in the abduction of the
vocal folds. The contraction of the lateral crico-arytenoid
muscles contributes to forceful adduction of the vocal
folds.
Cricoid
cartilage [ˈkraɪkɔɪd] One of the cartilages which make up the larynx.
Below, the cricoid is attached to the uppermost cartilage
ring of the trachea and above, to the thyroid cartilage.
Crico-thyroid muscles [ˌkraɪkəʊˈθaɪrɔɪd] A set of muscles connecting the cricoid cartilage to the thyroid cartilage. Their contraction has the effect of
pulling the thyroid forward and downward and thereby
stretching the vocal folds.
Cyclic rule [ˈsaɪklɪk] A phonological rule which operates iteratively
on syntactic constituents, starting with the most deeply
embedded ones. The Nuclear Stress Rule and Compound
Stress Rule of Chomsky & Halle's The
Sound Pattern of English are examples of cyclic
rules.
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