This presentation is about paralingustics..

4. The volume and pitch are most desirable
parameters in paralinguistic.

6. Rate is the number of word
which you speak per minute.
The normal rate is from 120 to
150 words.

7.  ARTICULATION
 Speaker should be careful not to stop between
two words or sentences. If all the flow sound is not
correct so it is very difficult to understand the
meaning.

8. If articulation means speaking out all the sounds distinctly
then pronunciation requires us to speak out sound in way
that is generally accepted.

9.  PAUSES
 A pause is a short silence flanked by words.
 A pauses helps not only the listener but the
speaker as well.