This R package contains the acoustic and electroglottography measurements from the UCLA Voice Quality Project. It also provides plain text versions of the word lists for all of the languages in the project.
The original data have been converted into the tidy data
format for use with the tidyverse family
of R packages. The scripts that were used to convert and clean the original
Excel and PDF files are in the
data-raw directory (
If you want to use the data or word lists without using R, all of the tables in
this package are also available in CSV format in the
data-raw/csv directory. A
description of each table is in the
R/data.R text file.
This package is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) license. If you use this package, attribution should be made as follows: "Materials from the "Production and Perception of Linguistic Voice Quality" project at UCLA."
To install the package from GitHub, run this command in R:
You may need to install
To see a list of the tables included with the package, use the
data(package = "voicequality")
To read a description of a table, use the
help("acoustics", package = "voicequality") help("egg", package = "voicequality")
To load a table, use the
data() function with the table name. For example,
this will load the table named
acoustics, which contains the measurements from
the master acoustics spreadsheet on the project site:
data("acoustics", package = "voicequality")
For a usage example, see the
To make corrections or additions, please send a pull request or file an issue.
TODO.md file has a list of things that are known to be missing or