This is the 4799th most frequent Turkish word.
duyulduğu
"The word 'duyulduğu' in English translates to 'the fact that it is heard' or 'its being heard.'"
In this sentence, "duyulduğu" functions as a participle associated with "melodinin" (the melody), indicating something that is heard.
Bu melodinin her yerde duyulduğu söyleniyor.
It is said that this melody is heard everywhere.
Here, "duyulduğu" describes the context of "ayak seslerinin" (the footsteps), emphasizing the occurrence of sounds being heard.
Evin yanındaki koridorda sıkça ayak seslerinin duyulduğu biliniyor.
It is known that footsteps are frequently heard in the corridor next to the house.
In this example, "duyulduğu" specifies the condition related to "mesafe" (distance), clarifying the reach of the audibility of the speech.