What was new in 4.0?

## Praat 4.0, 15 October 2001

Editors:

  • Simplified selection and cursor in editor windows.
  • Spectrogram, pitch contour, formant contour, and intensity available in the Sound, LongSound, and TextGrid editors.
  • TextGrid editor: additions and improvements.
  • Log files.

Phonetics library:

  • ExperimentMFC: multiple-forced-choice listening experiments.
  • Sound: To Pitch (ac)...: pitch contour less dependent on time resolution. This improves the constancy of the contours in the editors when zooming.
  • TextGrid: additions and improvements.
  • Sounds: Concatenate recoverably. Creates a TextGrid whose interval labels are the original names of the sounds.
  • Sound & TextGrid: Extract all intervals. The reverse of the previous command.
  • Filterbank analyses, MelFilter, BarkFilter and FormantFilter, by band filtering in the frequency domain." )
  • Cepstrum by David Weenink: MFCC, LFCC. Cepstrum object is a representation of the complex cepstrum.
  • Intensity: To IntensityTier (peaks, valleys).
  • Replaced Analysis and AnalysisEditor with Manipulation and ManipulationEditor.

Phonology library:

  • PairDistribution: Get percentage correct (maximum likelihood, probability matching).
  • OTGrammar & PairDistribution: Get percentage correct...

Graphics:

  • Improved spectrogram drawing.
  • Special symbols: háček.
  • Macintosh: improved screen rendition of rotated text.

Audio:

  • Macintosh: support for multiple audio input devices (sound cards).

Statistics and numerics library:

  • More statistics by David Weenink.
  • Improved random numbers and other numerical stuff.
  • Regular expressions.

Scripting:

  • Formatting in variable substitution, e.g. 'pitch:2' gives two digits after the decimal point.
  • Added `fixed$` () to scripting language for formatting of numbers.

Documentation:

  • Multidimensional scaling tutorial.
  • Enabled debugging-at-a-distance.

### Links to this page

- What's new?