Praat 4.2, 4 March 2004

General:

• July 10, 2003: Open source code (General Public License).

Phonetics:

• Faster computation of spectrum, spectrogram, and pitch.

• More precision in numeric libraries.

• PitchTier: Interpolate quadratically.

• TextGrids can be saved chronologically (and Praat can read that file again).

• Sound editor window Time step settings...: Automatic, Fixed, and View-dependent.

• Sound window: distinguish basic from advanced spectrogram and pitch settings.

• Read TableOfReal from headerless spreadsheet file...: cells with strings are considered zero.

• Sound window: introduced time step as advanced setting.

• Sound window: reintroduced view range as advanced setting.

• Ltas: Compute trend line, Subtract trend line.

Audio:

• Sun workstations: support audio servers.

Graphics:

• Better selections in Picture window and editor windows.

• Picture window: better handling of rectangles and ellipses for reversed axes.

• Windows: corrected positioning of pictures on clipboard and in metafiles.

• Windows: EPS files check availability of Times and TimesNewRomanPSMT.

• Polygon: can now also paint in colour instead of only in grey values.

• Unlimited number of points for polygons in PostScript (may not work on very old printers).

• Picture window: line widths on all printers and clipboards are now equal to line widths used on PostScript printers: a line with a line width of “1” will be drawn with a width 3/8 points. This improves the looks of pictures printed on non-PostScript printers, improves the looks of pictures copied to your wordprocessor when printed, and changes the looks of pictures copied to your presentation program.

OT learning:

• Metrics grammar supports “impoverished overt forms”, i.e. without secondary stress even if surface structures do have secondary stress.

• Support for crucially tied constraints and tied candidates.

• Support for backtracking in EDCD.

• Queries for testing grammaticality.

Scripting:

• ManPages: script links can receive arguments.

• ManPages: variable duration of recording.

• Support for unlimited size of script files in editor window on Windows XP and MacOS X (the Unix editions already had this).

• Improved the reception of sendpraat commands on Windows XP.

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