Aggregate data license

Copyright 2026 SpeechLP. The accompanying aggregate-tables.csv, aggregate-tables.json, sound-results.csv and study-results.json are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0): https://creativecommons.org/licenses/by/4.0/

Attribute SpeechLP and the manuscript authors, identify the manuscript title and date, link to the license, and indicate changes. Preserve the distinction between suppressed/withheld cells and observed zero values. No participant-level data are included. This grant applies only to the four aggregate data files; it does not grant rights to the manuscript, figures, proprietary software or source records.