This is the 13267th most frequent Korean word.
들렸습니다
"Was heard" or "stopped by (briefly)."
In this context, '들렸습니다' describes a sound arriving faintly to the listener's ears.
음악 소리가 멀리서 희미하게 들렸습니다.
Sounds of music faintly reached from afar.
In this sentence, '들렸습니다' means 'heard', indicating that a sound was perceived by the speaker.
방금 소음이 들렸습니다.
I just heard a noise.
Here, '들렸습니다' refers to being within hearing range or having been heard passively.