also: おんば
noun
sound field
Technical term in acoustics and audio engineering referring to the spatial distribution of sound in an environment.
このホールは音場が均一になるように設計されている。
This hall is designed so that the sound field is uniform.
音場解析には専用のソフトウェアを使います。
We use specialized software for sound field analysis.
音響 is a broader term for sound or acoustics in general, while 音場 specifically refers to the spatial field of sound.
Compound of 音 (sound) and 場 (field, place). The reading おんじょう is the standard on'yomi combination; おんば is an irregular reading.