Refers to the sound of many people talking loudly, often in a disorderly or excited manner. Can be used for crowds, parties, or chaotic situations.
I could hear noisy voices coming from outside.
The venue was filled with clamor.
Compound of 騒ぎ (sawagi, 'noise, commotion', the continuative form of 騒ぐ) and 声 (koe, 'voice'), with rendaku voicing of こえ to ごえ.