This document discusses three aspects of voice and speech: volume, pitch, and articulation. It notes that volume should be adjusted based on the size of the speaking area, with larger areas requiring higher volume. Pitch refers to the vibrations per second of the voice and impacts the conveyed emotions. Articulation means speaking distinctly and crisply producing each sound. The document advises developing clear articulation skills.

1. JAY.R. PATEL

2. George L.Trager

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6. Volume
 It is the loudness or softness
of the voice.
 If the place you are speaking
in is large and open, the
volume should be high & If
the place is small the voice
should be low.

8. Pitch
Pitch refers to number of vibrations per
second
The rise and fall of your voice conveys
various emotions.

10. Articulation
Speaker should be careful not to
mess words.
Speaker should develop a ability
to speak distinctly, produce this
sound in crisp and lucid manner.