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The field of articulatory phonetics is a subfield of phonetics that studies articulation and ways that humans produce speech. Articulatory phoneticians explain how humans produce speech sounds via the interaction of different physiological structures. Generally, articulatory phonetics is concerned with the transformation of aerodynamic energy into acoustic energy. Aerodynamic energy refers to the airflow through the vocal tract. Its potential form is air pressure; its kinetic form is the actual dynamic airflow. Acoustic energy is variation in the air pressure that can be represented as sound waves, which are then perceived by the human auditory system as sound.
The voiced palatal implosive is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ ʄ ⟩, and the equivalent X-SAMPA symbol is J\_<. Typographically, the IPA symbol is a dotless lowercase letter j with a horizontal stroke and a rightward hook. A very similar-looking letter, ⟨ ƒ ⟩, is used in Ewe for.
A voiced bilabial implosive is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɓ⟩, and the equivalent X-SAMPA symbol is b_<.
The voiced uvular implosive is an extremely rare type of consonantal sound. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ʛ ⟩, a small capital letter G with a rightward pointing hook extending from the upper right of the letter.
The voiced velar implosive is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɠ ⟩, and the equivalent X-SAMPA symbol is g_<. It is familiar to English speakers as the sound made when mimicking the 'gulping' of water.
In phonetics, the airstream mechanism is the method by which airflow is created in the vocal tract. Along with phonation and articulation, it is one of three main components of speech production. The airstream mechanism is mandatory for most sound production and constitutes the first part of this process, which is called initiation.
Implosive consonants are a group of stop consonants with a mixed glottalic ingressive and pulmonic egressive airstream mechanism. That is, the airstream is controlled by moving the glottis downward in addition to expelling air from the lungs. Therefore, unlike the purely glottalic ejective consonants, implosives can be modified by phonation. Contrastive implosives are found in approximately 13% of the world's languages.
The voiceless labial–velar plosive or stop is a type of consonantal sound, used in some spoken languages. It is a and pronounced simultaneously. To make this sound, one can say Coe but with the lips closed as if one were saying Poe; the lips are to be released at the same time as or a fraction of a second after the C of Coe. The symbol in the International Phonetic Alphabet that represents this sound is ⟨k͡p⟩.
The voiced labial–velar plosive is a type of consonantal sound, used in some spoken languages. It is a and pronounced simultaneously. To make this sound, one can say go but with the lips closed as if one were saying Bo; the lips are to be released at the same time as or a fraction of a second after the g of go is pronounced. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɡ͡b⟩. Its voiceless counterpart is voiceless labial–velar plosive,.
A voiceless uvular implosive is a rare consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ʛ̥ ⟩ or ⟨qʼ↓⟩. A dedicated IPA letter, ⟨ʠ⟩, was withdrawn in 1993.
The velar lateral ejective affricate is a rare type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨k𝼄ʼ⟩.
The velar ejective affricate is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨kxʼ⟩. is a common realization of a velar ejective often transcribed, and it is rare for a language to distinguish and, though several of the Nguni languages do so, as well as the Northeast Caucasian language Karata-Tukita.
A voiceless palatal implosive is a rare consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ ʄ̊ ⟩ or ⟨cʼ↓⟩. A dedicated IPA letter, ⟨ƈ⟩, was withdrawn in 1993.
A voiceless bilabial implosive is a rare consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɓ̥⟩ or ⟨pʼ↓⟩. A dedicated IPA letter, ⟨ƥ⟩, was withdrawn in 1993.
A voiceless alveolar implosive is a rare consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɗ̥⟩ or ⟨tʼ↓⟩. A dedicated IPA letter, ⟨ƭ⟩, was withdrawn in 1993.
A voiceless velar implosive is a very rare consonantal sound. The symbol for this sound in the International Phonetic Alphabet is ⟨ɠ̊⟩ or ⟨kʼ↓⟩. A dedicated IPA letter, ⟨ƙ⟩, was withdrawn in 1993.
The voiceless or more precisely tenuis bilabial click is a click consonant found in some languages of southern Africa. The symbol in the International Phonetic Alphabet for a tenuis bilabial click with a velar rear articulation is ⟨k͡ʘ⟩ or ⟨k͜ʘ⟩, commonly abbreviated to ⟨kʘ⟩, ⟨ᵏʘ⟩ or just ⟨ʘ⟩. For a click with a uvular rear articulation, the equivalents are ⟨q͡ʘ, q͜ʘ, qʘ, 𐞥ʘ⟩. Sometimes the accompanying letter comes after the click letter, e.g. ⟨ʘk⟩ or ⟨ʘᵏ⟩; this may be a simple orthographic choice, or it may imply a difference in the relative timing of the releases.
A voiceless retroflex implosive is an extremely rare consonantal sound, used in very few spoken languages. There is no official symbol in the International Phonetic Alphabet that represents this sound, but ⟨ᶑ̊⟩ or ⟨ʈʼ↓⟩ may be used, or the old convention ⟨𝼉⟩.
The labial–alveolar ejective stop is a type of consonantal sound used in some spoken languages. It is a and pronounced simultaneously and as an ejective. The symbol in the International Phonetic Alphabet that represents this sound is.
The voiced labial–velar implosive is a rare type of consonantal sound. It occurs in Lese, a language of the Democratic Republic of the Congo. According to Floyd (1981) and Clark (1990), both voiced and voiceless labial–velar implosives occur in Central Igbo.
References
- 1 2 Bickford, Anita C.; Floyd, Rick (2006). Articulatory phonetics : tools for analyzing the world's languages (4th ed.). Dallas: SIL International. ISBN 9781556711657.
- 1 2 3 Clark, Mary M. (1990). The Tonal System of Igbo. De Gruyter Morton. doi:10.1515/9783110869095. ISBN 9783110130416.
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