Can someone explain to me

Hi! Can someone explain me this sentence :

استيقظ الأسد على صوت أقدامٍ على الجسر

I can't understand it. "The lion woke up ??? voice ??? feet on the bridge."
Can someone explain me ? Thanks.

I have figured out: صوت means not only "voice", but also "sound" (besides, "saut" and "sound" are quite similar in pronounciation).
So, the translation is: "The lion woke up hearing feet sound on the bridge."
It's ok now.