&sq=albert einstein&lang=en&file=File:Question_book-new.svg){kind=small} | This article needs additional citations for verification. (June 2021) |
In acoustics, a free field is a situation or space in which no sound reflections occur.[1][2]
- ^ Hansen, Colin (January 1951). "FUNDAMENTALS OF ACOUSTICS" (PDF). American Journal of Physics.
- ^ Ray, Elden (16 June 2010). "INDUSTRIAL NOISE SERIES Part IV MODELING SOUND PROPAGATION" (PDF).