EMERGENCY AID

Hello friends, I have a 2008 model Peugeot 307 1.4 gasoline car, I am faced with a voice that I couldn't solve for 3-4 months. sometimes it is increasing when the gear goes idle, vıs vıs, a sound that looks like the same bird sound makes it to Balat, they said, we changed it, cut it, the V-belt makes it, did not change it. sometimes why increase? urgent help please friends i'll burn the car in the end

If it is getting faster, it is logically related to the wheels.

High probability of coming from belts or pulleys, understandable if viewed from lift while running