The document discusses phonetics and the International Phonetic Alphabet (IPA). It explains the differences between voiced and voiceless sounds, provides examples of pairs of words to demonstrate the difference, and identifies common places of articulation in the mouth involved in producing different speech sounds including the lips, teeth, alveolar ridge, and palate. The IPA is introduced as a standardized way to represent speech sounds.

4. nHeard looks like Beard but sounds like
Bird
nDead looks like Bead but sounds like
Bed
nMeat looks like Great but sounds like
Sweet

7. nArticulatory phonetics: How speech
sounds are made .
nAcoustic phonetics: Speech sounds
as “waves in the air”
nAuditory phonetics: Perception of
speech

8. nThe International Phonetic
Alphabet (IPA)
nPhone

9. International Phonetic
Alphabet (IPA)

10. International Phonetic Alphabet
(IPA)

11. International Phonetic Alphabe
(IPA)

12. Voiced
vs.
Voiceless Sounds

13. Vocal cords draw together, air
pushes them apart to pass through,
creating a vibration.
Ex: /g/ /v/ /d/

14. Vocal cords spread apart, the air
from the lungs passes between them
unimpeded.
Ex: /k/ /f/ /t/

15. Voiceless Voiced
Park Bark
Town Down
Cap Gap
Sap Zap
Chin Gin
Shock Jacques

16. p b
Puff of air
No vibration
No puff of air
Vibration only

17. Places
of
Articulation

19. n Sounds involving both lips.
[b], [p], [m], [w]
Boy People
Man Win

20. nSounds made using the lower lip and upper
teeth
[v], [f]
Velvet Fence
SaFe SaVe

21. nMade by placing the tongue against or between
the teeth
Teeth Thick Feather
Bath That Mother

22. nMade by using the tongue and the alveolar ridge.
[t], [d], [s], [z], [n], [l], [r]
top deer soap zip
nap lap right

23. nMade when the centre of the tongue approaches
the palate.
Voiceless sounds:
chip, chocolate or ship and shoe
Voiced sounds:
rouge, judge, and George