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4. Consonants

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Chapter 44 Consonants4.1 IntroductionThis chapter describes RP consonants based on the acoustic, auditory and artic-ulatory features (basically place and manner of articulation, position of thevocal folds, as well as force or energy of articulation) previously detailed inChapters 1 and 2 (see under § 1.2, 2.3.2 and 2.4.3). As already noted, acoustically,consonants are characterised by irregular formant patterns, and articulatorily,they differ from vowels in that their production involves some sort of impedi-ment or stricture in the VT, which is not present in vowel articulation. Here, inline with other reference books (Gimson 1980, 1984, 1994; Cruttenden 2008,2014; Colina 2009), consonants are classified into two main groups,obstruentsandsonorants, according to theirsonority, that is, the correlation that existsbetween the degree of openness of the VT that is necessary for their articulationand the relative loudness with which they are perceived (see § 1.3.3.2 for detailson thesonority hierarchy principle).Obstruents include three kinds of consonants that are produced with differ-ent types of obstruction to the airflow having resonance above that point ofconstriction (see fn 3). In the case ofplosivesthe stricture impedes the air-flow through nose or mouth; infricativesthe stricture causes friction; and inaffricatesthere is a combination of both articulations. Articulatorily, obstruentsshow a distinctive opposition betweenfortisandlenistypes; and acousticallythey are typically associated with a noise component and with irregular formantstructure patterns that show higher frequency. Phonologically, they tend to benon-syllabicor marginal in the syllable.Sonorants, on the other hand, are articulatorily defined as frictionless soundsthat are produced with a relatively free, or unimpeded, oral or nasal airflow,having a vocal fold position such that spontaneous voicing is possible (see fn 4).They resonate throughout the VT. To this group belong four groups of consonantsdiffering in manner of articulation,nasals,approximants(including glide con-sonants and liquids),tapsandtrills, which share many phonetic characteristicswith vowels. Acoustically sonorants are characterised by the absence of a noisecomponent and by homogeneous formant structure patterns that are lowerin frequency. Some sonorants (nasals and liquids) may also be syllabic (see§ 1.3.3.3).
© 2016 Walter de Gruyter GmbH, Berlin/Munich/Boston

Chapter 44 Consonants4.1 IntroductionThis chapter describes RP consonants based on the acoustic, auditory and artic-ulatory features (basically place and manner of articulation, position of thevocal folds, as well as force or energy of articulation) previously detailed inChapters 1 and 2 (see under § 1.2, 2.3.2 and 2.4.3). As already noted, acoustically,consonants are characterised by irregular formant patterns, and articulatorily,they differ from vowels in that their production involves some sort of impedi-ment or stricture in the VT, which is not present in vowel articulation. Here, inline with other reference books (Gimson 1980, 1984, 1994; Cruttenden 2008,2014; Colina 2009), consonants are classified into two main groups,obstruentsandsonorants, according to theirsonority, that is, the correlation that existsbetween the degree of openness of the VT that is necessary for their articulationand the relative loudness with which they are perceived (see § 1.3.3.2 for detailson thesonority hierarchy principle).Obstruents include three kinds of consonants that are produced with differ-ent types of obstruction to the airflow having resonance above that point ofconstriction (see fn 3). In the case ofplosivesthe stricture impedes the air-flow through nose or mouth; infricativesthe stricture causes friction; and inaffricatesthere is a combination of both articulations. Articulatorily, obstruentsshow a distinctive opposition betweenfortisandlenistypes; and acousticallythey are typically associated with a noise component and with irregular formantstructure patterns that show higher frequency. Phonologically, they tend to benon-syllabicor marginal in the syllable.Sonorants, on the other hand, are articulatorily defined as frictionless soundsthat are produced with a relatively free, or unimpeded, oral or nasal airflow,having a vocal fold position such that spontaneous voicing is possible (see fn 4).They resonate throughout the VT. To this group belong four groups of consonantsdiffering in manner of articulation,nasals,approximants(including glide con-sonants and liquids),tapsandtrills, which share many phonetic characteristicswith vowels. Acoustically sonorants are characterised by the absence of a noisecomponent and by homogeneous formant structure patterns that are lowerin frequency. Some sonorants (nasals and liquids) may also be syllabic (see§ 1.3.3.3).
© 2016 Walter de Gruyter GmbH, Berlin/Munich/Boston
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