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Articulators above the Larynx
Transcript of Articulators above the Larynx
All the sounds we make when we speak are the result of muscles contracting. The muscles in the chest that we use for breathing produce the flow of air that is needed for almost all speech sounds; muscles in the larynx produce many different modifications in the flow of air from the chest to the mouth. After passing through the larynx, the air goes through what we call the vocal tract, which ends at the mouth and nostrils; we call the part comprising the mouth the oral cavity and the part that leads to the nostrils the nasal cavity. Here the air from the lungs escapes into the atmosphere. We have a large and complex set of muscles that can produce changes in the shape of the vocal tract, and in order to learn how the sounds of speech are produced it is necessary to become familiar with the different parts of the vocal tract. These different parts are called articulators, and the study of them is called articulatory phonetics.
1. The Pharynx
The pharynx is a tube which begins just above the larynx. It is about 7 cm long in women and about 8 cm in men, and at its top end it is divided into two, one part being the back of the oral cavity and the other being the beginning of the way through the nasal cavity. If you look in your mirror with your mouth open, you can see the back of the pharynx.
2. The Soft Palate or Velum
The soft palate or velum is seen in the diagram in a position that allows air to pass through the nose and through the mouth. Yours is probably in that position now, but often in speech it is raised so that air cannot escape through the nose. The other important thing about the soft palate is that it is one of the articulators that can be touched by the tongue. When we make the sounds k g, the tongue is in contact with the lower side of the soft palate, and we call these velarr consonants.
The following diagram that is used frequently in the study of phonetics. It represents the human head, seen from the side, displayed as though it had been cut in half. You will need to look at it carefully as the articulators are described.
3. The Hard Palate
The hard palate is often called the “roof of the mouth”. You can feel its smooth curved surface with your tongue. A consonant made with the tongue close to the hard palate is called palatal. The sound j in ‘yes’ is palatal.
Articulators above the Larynx
4. The Alveolar Ridge
The alveolar ridge is between the top front teeth and the hard palate. You can feel its shape with your tongue. Its surface is really much rougher than it feels, and is covered with little ridges. You can only see these if you have a mirror smallenough to go inside your mouth, such as those used by dentists. Sounds made with the tongue touching here (such ast, d, n) are called alveolar.
5. The Tongue
The tongue is a very important articulator and it can be moved into many different places and different shapes. It is usual to divide the tongue into different parts, though there are no clear dividing lines within its structure. The picture shows the tongue on a larger scale with these parts shown: tip, blade,front, back and root. (This use of the word “front” often seems rather strange at first.)
6. The Teeth
The teeth (upper and lower) are usually shown in diagrams like the shown picture only at the front of the mouth, immediately behind the lips. This is for the sake of a simple diagram, and you should remember that most speakers have teeth to the sides of their mouths, back almost to the soft palate. The tongue is in contact with the upper side teeth for most speech sounds. Sounds made with the tongue touching the front teeth, such as English θ, ð, are called dental.
7. The Lips
The lips are important in speech. They can be pressed together (when we produce the sounds p, b), brought into contact with the teeth (as in f, v), or rounded to produce the lip-shape for vowels like u. Sounds in which the lips are in contact with each other are called bilabial, while those with lip-to-teeth contact are called labiodental.
English Phonetics and Phonology
Dr. Khaleel Bataineh
Assistant Professor of Applied Linguistics
Please click the following Link:
Room No. : 377334
Quiz Name: Articulators
khaleel Bader Bataineh