Acta Acustica

Sound power of speech between 63 Hz and 20 kHz at a normal vocal effort level

Carl Hopkins, Simone Graetzer and Gary Seiffert

Acta Acust., 10 (2026) 63

Published online: 21 July 2026

DOI: 10.1051/aacus/2026053

Carl Hopkins

Simone Graetzer

Gary Seiffert

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