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The Power of Voice in speech communication

Enrol for September course (see flyer)


  1. To objectively assess your strengths and areas for improvement in speech communication.
  2. To acquire the skills necessary to come across as a competent and influential speaker.
  3. To unlock the power of your voice.


  • The power of voice in persuasion
  • Measuring pitch, volume and speech rate,
  • identifying and using various intonation patterns
  • Speaking styles (formal vs. conversational),
  • The impact of voice on emotional connotations of words,
  • How to better project your voice
  • The link between the voice and facial expressions
  • Using the right tone of voice in emotionally difficult situations
  • Congruence between non verbal channels of communication (facial expressions, posture, gestures and voice)


  • Acoustic analysis of the participants’ voices: vocal "fingerprint" graph
  • Illustration of various models
  • Assessment of the impact of voice on audience,
  • Practising speaking styles with the help of audio recordings.

The graph below illustrates a voice profile as measured by a computerised acoustic analysis program, where various features of the speaker's voice are compared with a model and presented as % of the reference values.

Voice Profile
Voice Profile