Phonetics - Definition


What is Phonetics:

                    Phonetics is the branch of linguistics that deals with the speech sound of a particular language. It focus on the production and classification of speech sounds.


 Consonant sound:

              Consonants are sounds in the production of which there is an  obstruction of the air passage. It is articulated with complete or partial closure of   the vocal   tract.

                     (eg) /p/ /b/ /t/ /d/ /k/ /g/ /s/ /z/ etc


Unvoiced sound:

              If there is no vibration in the vocal cord during the production of   sound,  it   is called as unvoiced sound.

                     (eg) /p/ /t/ /k/ /s/ /h/ etc

 

 Voiced sound:                  

              If there is vibration in the vocal cord during the production of sound, it   is   called as voiced sound.

                  (eg) /b/ /d/ /g/ z/ etc

         

 

 Vowel sound:

               A vowel is a speech sound produced without any stricture in the vocal   tract. It is produced with an open approximation of the articulators.

                       (eg) /i/ /i:/ /u/ /u:/, /iə/ /ei/ /uə etc

   

Monothongs:

                If there is only one vowel sound in a syllable it is called monothongs. 

                      (eg) /i/ /i:/ /u/ /u:/ /e/ etc

Dipthongs:

                A dipthong is a combination of two vowel sounds. It is otherwise called as vowel glides.

                    (eg) /iə/ /ei/ /uə/ /ɔi/ /əu/ etc

 

 Oral sound:

              During the production of sound when the soft palate is raised, the   nasal   passage is blocked and the air passes through the mouth and oral sound is   produced.

                     (eg) /p/ /b/ /t/ /d/ /k/ /g/ etc

 

 Nasal sound:

              During the production of sound when the soft palate is lowered, the oral   passage is blocked and the air passes through the nasal cavity and nasal   sound   is produced.

                     (eg) /m/ /n/ /ŋ/.


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