YOU SAID:
Early this morning, I heard my cat meowing
INTO JAPANESE
今朝早く、猫の鳴き声が聞こえました
BACK INTO ENGLISH
Earlier this morning I heard a cat barking
INTO JAPANESE
今朝早く、猫が吠えるのを聞いた
BACK INTO ENGLISH
Earlier this morning I heard a cat barking
You should move to Japan!