open-airsound

noun
UK /ˌəʊpən ˈeə saʊnd/
US /ˌoʊpən ˈer saʊnd/

The sound you hear when you are outside in the open air.

We sat in the park and listened to the open-airsound of birds and wind.


OTHER MEANINGS

2. The natural background noise of a place without walls or a roof.

The open-airsound of the market filled the square.

3. A recording that captures sounds made outside.

The film used an open-airsound of rain on leaves.

4. The way voices carry when spoken outdoors.

Her open-airsound reached the whole crowd.