音 (oto) means “sound” | MotiTan Japanese Dictionary

More examples

ピアノの音が聞こえます。pi a no no oto ga ki ko e ma su

I can hear the sound of a piano.

隣の部屋から大きな音がしたので、見に行きました。tonari no heya ka ra ō ki na oto ga shi ta no de mi ni i ki ma shi ta

I heard a loud sound from the next room, so I went to see what happened.

Refers to an audible vibration or its heard result, from a musical tone to an unwanted noise.

声koe: A sound made by a person through speaking or singing.
騒音sōon: An unpleasant or unwanted sound that disturbs people.

物体の振動などによって生じ、耳に伝わって聞こえるもの。but tai no shin dō na do ni yo tte shō ji mimi ni tsuta wa tte ki ko e ru mo no

The native Japanese word 音 (oto, "sound") has an Old Japanese form oto, while its deeper origin is uncertain.

In Japanese, 音 (oto) covers both a pleasant sound and an unwanted noise, so context determines which English word fits best.