booming

...In addition, sounds in a room interfere with each other as they are incident on or reflected from the surrounding walls, ceiling, and floor, creating peaks and valleys of sound at several room-specific frequencies depending on the dimensions of the room. This is called standing waves, and in small rooms in ordinary homes, multiple standing waves overlap in the low-frequency range, causing a phenomenon called booming, which makes the sound muffled. In order to satisfy these conditions and prevent harmful reverberation, the acoustic design of the room must be carried out thoroughly, but even in ordinary rooms, acoustics can be improved by using sound-absorbing curtains and carpets, wall-mounted picture frames that have the effect of diffusing sound, and various furniture arrangements. ...

*Some terminology explanations that mention "booming" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…また，室中では音が周囲の壁や天井，床に入射したり，反射したりして互いに干渉し，室の寸法に応じていくつかの室固有の周波数の音の山や谷を作る。これを定在波と呼ぶが，とくに一般家庭の小さい部屋では，低音域でいくつもの定在波が重なって，ブーミングboomingといわれる音がこもる現象が起こる。　これらの条件を満足させ，有害な響きを防止させるためには，部屋の音響設計を十分に行わねばならないが，一般の部屋においても，吸音性のカーテンやじゅうたん，音を拡散させる効果がある壁掛けの額縁やいろいろな家具の置き方などをくふうすると音響改善の効果が得られる。…

※「booming」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報