1. Phonetics Introduction Phonetics Articulatory phonetics
( voiced/voiceless sounds
Place of articulation)
b. Acoustic phonetics
c. Auditory phonetics
Phonetics

2. introduction:
Cough – pharmacy – sigh – know – car
What is phonetics?
Phonetics is the general study of the characteristics of speech sounds.

3. Articulatory phonetics
Acoustic phonetics
Auditory phonetics

4. Articulatory phonetics: the study of how speech sounds are made or articulated.
Acoustic phonetics: the study of the physical properties of speech as sound waves in the air.
Auditory phonetics: deals with the perception, via the air, of speech sounds.

5. Voiced and voiceless sounds:
Voiceless: When the vocal cords are spread apart, the air from the lungs passes between them unimpeded.
Voiced: When the vocal cords are drawn together, the air from the lungs repeatedly pushes them apart as it passes through, creating a vibration effect.

6. Place of articulation:

7. Place of articulation:
Bilabials
Labiodentals
Dentals
Alveolars
Palatals
Velars
Glottals

8. Place of articulation: Bilabials
The sounds that are formed using both (bi) upper and lower lips (labia).
Pat – bat
Mat
way
[p] voiceless [b] voiced
[m] voiced
[w]

9. Place of articulation: 2. Labiodentals:
The sounds that are formed using the upper teeth and the lower lip.
Fat - vat
Safe – save
[f] voiceless [v] voiced
*photo - cough

10. Place of articulation: 3. Dentals
The sounds that are formed with the tongue tip behind the upper front teeth.
thin – bath
There - feather
[ ] (theta) voiceless [ ] (eth) voiced

11. Place of articulation: 4. Alveolars
The sounds that are formed with the front part of the tongue on the alveolar ridge.
Top – dip
Sit – zoo
Nut
Lap
Write
[t] voiceless [d] voiced
[s] voiceless [z] voiced
[n] voiced

12. Place of articulation: 5. Palatals
The sounds that are produced with the tongue and the palate.
Shout – child
Treasure – pleasure
Joke - gem
[ ] [ ] both voiceless
[ ] voiced
* Judge - george

13. Place of articulation: 6. Velars
The sounds that are produced with the back of the tongue against the velum.
Kid - go
sing
[ k ] voiceless [ g ] voiced
[ ] (angma) voiced
[ ] voiced

14. Place of articulation: 7. Glottals
The sound that is produced without the active use of the tongue and other parts of the mouth.
house
[ h] voiceless
* Who - whose