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Correlatore is a program developed by Paolo Mairano in Tcl/Tk which can be used for the rhythmic analysis of annotated files. It has been created in order to calculate automatically come rhythmic correlates (%V, ΔC, ΔV, Varcos, PVIs, CCIs - see the documentation) from Praat's annotation files. So, if you wish to carry on research on the acoustic correlates of linguistic rhythm, you only need to annotate your wave files with Praat and, then, to open the TextGrids in Correlatore: you will obtain the values for the correlates quoted above and you will be able to build charts with the results.

Correlatore is released under the terms of the GPL license, so you can download it and use it freely. You are advised to read the documentation (particularly the 'Warning' section, where you can find the annotation criteria you have to follow).

Below you can see some screenshots of Correlatore on Windows Vista and Linux (Xubuntu 8.04), so that you can make yourself an idea of what it is and what it does. Click on each of them to see it in the original size.

Windows Vista

Linux (Xubuntu 8.04)


27/04/2010: Correlatore 2.1 is now available and can be downloaded from this page. The major change of this version is the correction of a bug affecting the calculation of deltas, varcos and PVIs in TextGrids labelled as CV. Hyatuses labelled as |v|v| were in fact considered as 2 vocalic intervals, as is instead only required by the CCI. The interface has been slightly changed in order to show the 2 types of segmentation. See the documentation for further detail. Moreover, bibliographic reference has been updated.

20/02/2009: Correlatore 2.0 is now available and can be downloaded from this page. Improvements include: import/export facilities for reports, new features in the charts module (for example, error bars), no need to specify preferences for the calculation of metrics (they are computed both with the A and B methods). The bug affecting the calculation CCIs has been corrected (every hyatus can now considered as 2 separate vocalic intervals) but this requires the user to follow specific annotation criteria, so Be sure to check the documentation entirely. You are warned that reports created with Correlatore 1.0 are not compatible with Correlatore 2.0 and viceversa.