externalacoustics
nounUK /ɪkˈstɜːnəl əˈkuːstɪks/
US /ɪkˈstɜːrnəl əˈkuːstɪks/
External acoustics is the study of how sound travels and behaves outside, in the open air.
The engineers used external acoustics to figure out how far the concert music would carry across the park.
OTHER MEANINGS
2. The sound qualities of a building or object as heard from the outside.
The external acoustics of the stadium let nearby homes hear every cheer.
3. The branch of acoustics dealing with sound radiated away from a source into surrounding space.
Researchers measured the external acoustics of the jet engine from a hundred meters away.
4. The way sound from a device or machine spreads through the air around it.
Better external acoustics made the new fan much quieter on the patio.