How do you know where the spidy emblems are in spiderman3

if you tun down all volume except sound effect swing around you will hear a faint wave sound the closer you the higher the sound but it might be a metiorite the trick is that spider emblems stick to wall and are on the ground spider emblems are on the walls and ground unlike meteorites which are on roof tops but there is one in central park if you swing around you will be able to hear a faint wave sound the closer you are to the item the higher the sound if you dont see any on a rooftop then its on a wall oh yeah ill give you a tip theres one in battery park on the flag pole you have to be able to jump high jump and stand on the pole