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Sound editor: formant report.
<li>
Dialogs: layout improvements.
</ul>
<p>
<b>4.0.11</b> (March 25, 2002)</p>
<ul>
<li>
Mono recording.
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Dialogs improved: range fields and option menus.
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Some jitter and shimmer measurements.
</ul>
<p>
<b>4.0.9</b> (February 22, 2002)</p>
<ul>
<li>
Direct PostScript printing on MacOS X.
</ul>
<p>
<b>4.0.8</b> (February 21, 2002)</p>
<ul>
<li>
<a href="T-test.html">T-test</a>.
</ul>
<p>
<b>4.0.6</b> (February 7, 2002)</p>
<ul>
<li>
Native MacOS X version.
</ul>
<p>
<b>4.0.5</b> (January 25, 2002)</p>
<ul>
<li>
Removed licensing.
<li>
Remember PostScript settings.
</ul>
<p>
<b>4.0.4</b> (November 30, 2001)</p>
<ul>
<li>
Spectral moments.
</ul>
<p>
<b>4.0.3</b> (November 27, 2001)</p>
<ul>
<li>
TableOfReal: Extract rows where column...
<li>
<a href="Correlation__Confidence_intervals___.html">Correlation: Confidence intervals...</a>
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<a href="SSCP__Get_diagonality__bartlett____.html">SSCP: Get diagonality (bartlett)...</a>
<li>
<a href="LPC__To_Matrix.html">LPC: To Matrix</a>
<li>
<a href="CC__To_Matrix.html">CC: To Matrix</a>
</ul>
<p>
<b>4.0.2</b> (November 12, 2001)</p>
<ul>
<li>
<a href="Correlation__Confidence_intervals___.html">Correlation: Confidence intervals...</a>
<li>
Removed bug that caused mean formants in log files to be zero.
</ul>
<p>
<b>4.0.1</b> (October 25, 2001)</p>
<ul>
<li>
TableOfReal: Get correlation....
<li>
TextGrid: bug removals in Modify menu (tier insertion and duplication).
</ul>
<h3>
Praat 4.0, October 15, 2001</h3>
<p>
Editors:</p>
<ul>
<li>
Simplified selection and cursor in editor windows.
<li>
Spectrogram, pitch contour, formant contour, and intensity available in the Sound, LongSound, and TextGrid editors.
<li>
TextGrid editor: additions and improvements.
<li>
<a href="Log_files.html">Log files</a>.
</ul>
<p>
Phonetics library:</p>
<ul>
<li>
<a href="ExperimentMFC.html">ExperimentMFC</a>: multiple-forced-choice listening experiments.
<li>
<a href="Sound__To_Pitch__ac____.html">Sound: To Pitch (ac)...</a>: pitch contour less dependent on time resolution. This improves the constancy of the contours in the editors when zooming.
<li>
TextGrid: additions and improvements.
<li>
Sounds: Concatenate recoverably. Creates a TextGrid whose interval labels are the original names of the sounds.
<li>
Sound & TextGrid: Extract all intervals. The reverse of the previous command.
<li>
Filterbank analyses, <a href="MelFilter.html">MelFilter</a>, <a href="BarkFilter.html">BarkFilter</a> and <a href="FormantFilter.html">FormantFilter</a>, by <a href="Band_filtering_in_the_frequency_domain.html">band filtering in the frequency domain</a>.
<li>
Cepstrum by David Weenink: <a href="MFCC.html">MFCC</a>, <a href="LFCC.html">LFCC</a>. <a href="Cepstrum.html">Cepstrum</a> object is a representation of the <i>complex cepstrum</i>.
<li>
Intensity: To IntensityTier (peaks, valleys).
<li>
Replaced Analysis and AnalysisEditor with <a href="Manipulation.html">Manipulation</a> and <a href="ManipulationEditor.html">ManipulationEditor</a>.
</ul>
<p>
Phonology library:</p>
<ul>
<li>
PairDistribution: Get percentage correct (maximum likelihood, probability matching).
<li>
OTGrammar & PairDistribution: Get percentage correct...
</ul>
<p>
Graphics:</p>
<ul>
<li>
Improved spectrogram drawing.
<li>
<a href="Special_symbols.html">Special symbols</a>: hác<sub><img src="symbols/caronover.xbm"></sub>ek.
<li>
Macintosh: improved screen rendition of rotated text.
</ul>
<p>
Audio:</p>
<ul>
<li>
Macintosh: support for multiple audio input devices (sound cards).
</ul>
<p>
Statistics and numerics library:</p>
<ul>
<li>
More statistics by David Weenink.
<li>
Improved random numbers and other numerical stuff.
<li>
<a href="Regular_expressions.html">Regular expressions</a>.
</ul>
<p>
Scripting:</p>
<ul>
<li>
Formatting in variable substitution, e.g. 'pitch:2' gives two digits after the decimal point.
<li>
Added <b>fixed$</b> to scripting language for formatting of numbers.
</ul>
<p>
Documentation:</p>
<ul>
<li>
<a href="Multidimensional_scaling.html">Multidimensional scaling</a> tutorial.
<li>
Enabled debugging-at-a-distance.
</ul>
<h3>
Praat 3.9, October 18, 2000</h3>
<p>
Editors:</p>
<ul>
<li>
Shift-click and shift-drag extend or shrink selection in editor windows.
<li>
Grouped editors can have separate zooming and scrolling (FunctionEditor preferences).
<li>
Cursor follows playing sound in editors; interruption by Escape key moves the cursor.
<li>
TextGridEditor: optimized for transcribing large corpora: text field, directly movable boundaries, more visible text in tiers, <a href="SpellingChecker.html">SpellingChecker</a>, type while the sound is playing, complete keyboard navigation, control font size, control text alignment, shift-click near boundary adds interval to selection.
<li>
Stereo display in LongSound and TextGrid editors.
<li>
LongSoundEditor and TextGridEditor: write selection to audio file.
<li>
SoundEditor: added command "Extract selection (preserve times)".
<li>
IntervalTierEditor, DurationTierEditor.
<li>
Added many query commands in editors.
</ul>
<p>
Phonetics library:</p>
<ul>
<li>
Sound: To Formant...: sample-rate-independent formant analysis.
<li>
Sound: To Harmonicity (glottal-to-noise excitation ratio).
<li>
Pitch: support for ERB units, draw all combinations of line/speckle and linear/logarithmic/semitones/mels/erbs, optionally with TextGrid, Subtract linear fit.
<li>
Spectrum: Draw along logarithmic frequency axis.
<li>
TextGrid: modification commands, Extract part, Shift to zero, Scale times (with Sound or LongSound).
<li>
<a href="Matrix__To_TableOfReal.html">Matrix: To TableOfReal</a>, Draw contour...
<li>
Concatenate Sound and LongSound objects.
<li>
File formats: save PitchTier in spreadsheet format, read CGN syntax files (XML version), text files now completely file-server-safe (independent from Windows/Macintosh/Unix line separators).
</ul>
<p>
Statistics and numerics library:</p>
<ul>
<li>
<a href="Principal_component_analysis.html">Principal component analysis</a>.
<li>
<a href="Discriminant_analysis.html">Discriminant analysis</a>.
<li>
<a href="Polynomial.html">Polynomial</a>: drawing, <a href="Roots.html">root</a> finding etc.
<li>
<a href="TableOfReal__Draw_box_plots___.html">TableOfReal: Draw box plots...</a>.
<li>
<a href="Covariance__To_TableOfReal__random_sampling____.html">Covariance: To TableOfReal (random sampling)...</a>.
<li>
<a href="SSCP__Get_sigma_ellipse_area___.html">SSCP: Get sigma ellipse area...</a>.
<li>
Query <a href="DTW.html">DTW</a> for 'weighted distance' of time warp.
<li>
Distributions: To Strings (exact)...
<li>
Strings: Randomize.
</ul>
<p>
Phonology library:</p>
<ul>
<li>
OTGrammar: To PairDistribution.
</ul>
<p>
Graphics:</p>
<ul>
<li>
Full support for colour inkjet printers on Windows and Macintosh.
<li>
Full support for high-resolution colour clipboards and metafiles for Windows and Macintosh programs that support them (this include MS Word for Windows, but unfortunately not MS Word for Macintosh).
<li>
Colour in EPS files.
<li>
Interpolating grey images, i.e. better zoomed spectrograms.
<li>
Linux: support for 24-bits screens.
</ul>
<p>
Audio:</p>
<ul>
<li>
Asynchronous sound play.
<li>
Linux: solved problems with /dev/mixer ("Cannot read MIC gain.") on many computers.
<li>
Added possibility of zero padding for sound playing, in order to reduce clicks on some Linux and Sun computers.
<li>
LongSound supports mono and stereo, 8-bit and 16-bit, <i></i>µ-law and A-law, big-endian and little-endian, AIFC, WAV, NeXT/Sun, and NIST files.
<li>
"Read two Sounds from stereo file..." supports 8-bit and 16-bit, <i></i>µ-law and A-law, big-endian and little-endian, AIFC, WAV, NeXT/Sun, and NIST files.
<li>
SoundRecorder writes to 16-bit AIFC, WAV, NeXT/Sun, and NIST mono and stereo files.
<li>
Sound & LongSound: write part or whole to mono or stereo audio file.
<li>
Read Sound from raw Alaw file.
<li>
Artword & Speaker (& Sound) movie: real time on all systems.
</ul>
<p>
Scripting:</p>
<ul>
<li>
<a href="Formulas_4__Mathematical_functions.html">Formulas 4. Mathematical functions</a>: added statistical functions: <i></i><img src="symbols/chi.gif"><sup>2</sup>, Student T, Fisher F, binomial, and their inverse functions.
<li>
Windows: program <b>praatcon</b> for use as a Unix-style console application.
<li>
Windows and Unix: Praat can be run with a command-line interface without quitting on errors.
<li>
Unix & Windows: can use <stdout> as a file name (supports pipes for binary data).
<li>
<a href="sendpraat.html">sendpraat</a> now also for Macintosh.
<li>
<a href="Scripting_6_7__Sending_a_message_to_another_program.html">sendsocket</a>.
<li>
<a href="Read_from_file___.html">Read from file...</a> recognizes script files if they begin with "#!".
<li>
Script links in <a href="ManPages.html">ManPages</a>.
</ul>
<p>
Documentation</p>
<ul>
<li>
Tutorials on all subjects available through <a href="Intro.html">Intro</a>.
</ul>
<h3>
Praat 3.8, January 12, 1999</h3>
<p>
Phonetics library</p>
<ul>
<li>
New objects: <a href="LongSound.html">LongSound</a> (view and label long sound files), with editor; PairDistribution.
<li>
<a href="PSOLA.html">PSOLA</a> manipulation of voiceless intervals, version 2: quality much better now; target duration is exactly as expected from Duration tier or specified lengthening in <a href="Sound__Lengthen__PSOLA____.html">Sound: Lengthen (PSOLA)...</a>.
<li>
Audio: Escape key stops audio playing (on Mac also Command-period).
<li>
<a href="SoundRecorder.html">SoundRecorder</a>: allows multiple recordings without close; Play button; Write buttons; buffer size can be set.
<li>
Reverse a Sound or a selection of a Sound.
<li>
<a href="Sound__Get_nearest_zero_crossing___.html">Sound: Get nearest zero crossing...</a>.
<li>
Formant: "Scatter plot (reversed axes)...".
<li>
TextGrid & Pitch: "Speckle separately...".
<li>
"Extract Sound selection (preserve times)" in TextGridEditor.
<li>
More query commands for Matrix, TableOfReal, Spectrum, PointProcess.
</ul>
<p>
Phonology library</p>
<ul>
<li>
25-page OT learning tutorial.
<li>
Made the OT learner 14 times as fast.
</ul>
<p>
Systems</p>
<ul>
<li>
May 23: Windows beta version.
<li>
April 24: Windows alpha version.
</ul>
<p>
Files</p>
<ul>
<li>
Read more Kay, Sun (.au), and WAV sound files.
<li>
"Read Strings from raw text file..."
<li>
<a href="Create_Strings_as_file_list___.html">Create Strings as file list...</a>.
<li>
"Read IntervalTier from Xwaves..."
<li>
hidden "Read from old Windows Praat picture file..."
</ul>
<p>
Graphics</p>
<ul>
<li>
Use colours (instead of only greys) in "Paint ellipse..." etc.
<li>
More true colours (maroon, lime, navy, teal, purple, olive).
<li>
Direct printing from Macintosh to PostScript printers.
<li>
Hyperpage printing to PostScript printers and PostScript files.
<li>
Phonetic symbols: raising sign, lowering sign, script g, corner, ligature, pointing finger.
</ul>
<p>
Shell</p>
<ul>
<li>
November 4: all dialogs are modeless (which is new for Unix and Mac).
<li>
September 27: <a href="sendpraat.html">sendpraat</a> for Windows.
</ul>
<p>
Scripting</p>
<ul>
<li>
January 7: scriptable editors.
<li>
October 7: file I/O in scripts.
<li>
August 23: script language includes all the important functions for string handling.
<li>
June 24: string variables in scripts.
<li>
June 22: faster look-up of script variables.
<li>
June 22: unlimited number of script variables.
<li>
April 5: suspended chopping of trailing spaces.
<li>
March 29: enabled formulas as arguments to dialogs (also interactive).
</ul>
<h3>
Praat 3.7, March 24, 1998</h3>
<p>
Editors:</p>
<ul>
<li>
In all FunctionEditors: drag to get a selection.
</ul>
<p>
Phonetics library:</p>
<ul>
<li>
Many new query (<b>Get</b>) commands for <a href="Sound.html">Sound</a>, <a href="Intensity.html">Intensity</a>, <a href="Harmonicity.html">Harmonicity</a>, <a href="Pitch.html">Pitch</a>, <a href="Formant.html">Formant</a>, <a href="Ltas.html">Ltas</a>, <a href="PitchTier.html">PitchTier</a>, <a href="IntensityTier.html">IntensityTier</a>, <a href="DurationTier.html">DurationTier</a>, <a href="FormantTier.html">FormantTier</a>.
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