'new_output_folder' names the new sub-folder that will be created in the parent directory or if you want to do funny things like put the wrong aspiration on a segment or if you want to ensure that multiple different continua If you want to modify it in strange ways before making the continuum.You can prepare a pre-made aspiration sound To the vowel (this is especially noticable for /t/ sounds) Otherwise, medium-lag sounds will sound goofyīecause there isn't a neat envelope transition from the burst Options to shape VOT and vowel amplitude contours at segment boundary such as controlling proportional VOT vowel cutback, etc. Inspect and modify some variables at the end of the script. Simply in the perception of voicing for demonstration) You aren't interested in specific cue weighting, (This sounds most natural, and is intended for when Note: the supplemental materials on this page that have more helpful filenames.Ĭontrol VOT, have a constant level of F0:Īnd type in that constant F0 level as the "min" F0Ĭo-vary VOT and F0 by having a different F0 for each step of VOT In a case of exploration of a cue without extensive previous literature, the experimenter is encouraged to collect goodness or naturalness ratings along with identification labels. In other cases, the values are motivated by best guesses as to what will maintain natural sound quality the experimenter is able to decide which of these parameters are deserving of extra scrutiny or control. In some cases, the default values of the script are motivated by generally realistic ranges of cues found in natural utterances. But there are other relevant factors such as starting F0 values for the voiced and voiceless continuum endpoints, whether F0 should change independently or in conjunction with VOT, and the duration (in milliseconds) over which any change in F0 will be imposed on the F0 contour in the syllable. These are likely the most essential (and perhaps the only) parameters of interest to most readers of this paper. Basic parameters include the range of VOT and the number of continuum steps. The user initiates a startup window where parameters are declared. “deer” and “tier”) are used to generate a continuum varying by VOT and other related properties. The script walks the user through a series of steps whereby pre-existing sounds (e.g. Praat script to manipulate VOT in natural speech
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