i bet your rotors are glazed. get a scotch brite pad and some chlorine free brake cleaner and go to town on your rotors on both sides of each (use the cleaner as a lubricant). Then, once fully scuffed and clean, re-bed your pads using one of many recommended techniques in a safe area. should help with the sound you are experiencing, if at least reducing it.
2011 Victory Kingpin 8-Ball
Tach / Dual front discs with Vesrah JL pads / Penske shock / S&S Intake / PCV & autotune / RPW Thor exhaust with homemade custom baffle / Tsukayu leather "Strong" bags / Avon Cobra *Radials* / Ness Vegas Peg Conversion / Ness Vegas driver's seat / Custom T-Apes from BR Custom Cycles