AUTHOR=Wang Xin , Jheng Jhe-Yu , McMurray Bob TITLE=Tone superimposition technique in Speech Sciences: a tutorial JOURNAL=Frontiers in Education VOLUME=9 YEAR=2024 URL=https://www.frontiersin.org/journals/education/articles/10.3389/feduc.2024.1439014 DOI=10.3389/feduc.2024.1439014 ISSN=2504-284X