What is the point of the phonetic alphabet and dividing sounds into ‘velar,’ ‘liquid’ etc.?

Phonetics the physical sign of language in sound waves. How these sounds are explained and saw is phonology:

A phonetic alphabet used in professional communication. And used by police, military, emergency services and also for other general communication.

A phonetic spelling alphabet is a useful reference for language. It is the study of communication and training. It designed to represent especially those words which have a quality of speech. And also has a part of an oral language.

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Phonetic alphabets are developed by international civil aviation organization and it is adopted by the North Atlantic treaty organization. A general principle of the international phonetic alphabet(IPA) is providing each letter for specific sounds or speech segments.

A letter or diacritics are added removed or modified by the International Phonetic Association(IPA). And most recent changes done in 2005.

A phonetics is divided into three different categories on the basis of production(articulatory), transmission (acoustic), or perception (auditive) of the sound.

Type of phonetic alphabet:

• Articulatory Phonetics: It is the first type of phonetics. That examine the sounds of a human language from their source of production. It checks how a person forms the words. A specific part of the human body that include organs of speech and used to articulate the words. These words are voice box, lungs, oral cavity, nasal cavity, pharyngeal cavity, tongue, teeth, glottis, lips and also an inner surfaces of a mouth.
• Acoustic Phonetics: Focuses on the speech organs. That produce languages of a human. It focuses on the properties of human speech. It also checks some things which are a perception of speech, different sounds provided by listeners. In study phonetician also check the frequency of sound, amplitude spectrum, duration of the sound.
• Phonetic Representation: International phonetic alphabet linguistic used to represent sounds of human languages. An International Phonetic Alphabet has written symbols to represent sounds. And also a variations sounds. An IPA is an important and useful tool for the students of the languages. It is because people who know the international phonetic alphabet can able to read the transcriptions of the languages. They are also able to produce word correctly even those languages that they never learned before.

List of phonetic spelling alphabet:

These words used to communicate around the world to clear letters and their spellings.

Vocal Tract

The vocal tract is the thing that we use to express sounds. It incorporates the oral cavity the nasal cavity and the pharyngeal depression (in the throat, behind the tongue). For most discourse sounds, the airstream that goes through this track is created by the lungs.

Organ Survival function Speech work

• Lungs exchange oxygen and carbon dioxide. It supplies airstream.
• Vocal cords prevent eatables and fluids from entering the lungs. And it produces vibration in the resounding hole.
• Tongue move eatables inside the mouth and articulate sounds.
• Teeth break up food. And it provides latent articulator and acoustic perplex.
• Lips seal the oral cavity and articulate sounds.