Vocabulary consisting only from characters you are able to read
響く
ひびく
(1)to resound, to be heard far away, (2)to reverberate, to shake, to vibrate, (3)to come (home), to remain (with someone), (4)to have an effect, to make an impression godan, verb, vintrans
音響
おんきょう
sound, noise, echo, acousticsongaku