Praat Fadi Biadsy

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PraatFadi Biadsy
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Praat

• http//www.fon.hum.uva.nl/praat/
• Developed by Paul Boersma and David
  Weenink   Institute of Phonetic
  SciencesUniversity of Amsterdam, the Netherlands
  
• General purpose speech tool editing,
  segmentation and labeling, audio DSP, and
  prosodic manipulation

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Praat

• Pros designed for speech analysis (not only
  sound edition or spectrogram visualization), nice
  GUI, scripting, active development and community,
  prosodic manipulation
• Cons limited scripting language, slow GUI

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Lets

• See the pitch contour of Solfege

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Lets

• Compare the spectrograms of
• 1.  Its hard to recognize speech
• Its hard to wreck a nice beach
• Record its cool to play with praat
• Manipulate the pitch contour
• Annotate this utterance

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Task1

• Record a file with all the vowels and look at the
  formants to see how they differ

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Task2

• Record files with each consonant class in the
  context of the same vowel, to see what the
  spectrograms look like /pax/, /tax/, /kax/
  /bax/, /dax/, /gax/

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Task3

• Record a short sentence as angry speech, sad,
  speech, happy speech, and see what things (pitch
  contour, pitch mean andmax, intensity mean and
  max, spectral information) differ. choose
  something fully voiced if possible.

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Task4

• Create a sound from equation with noise, and try
  to filter the noise out