Whining noise when braking on highway?

[RavindraS]

I have a 04 Acura Tl and I had change the front rotors with slotted and new pads as well . High performance ones because I use to get vibration before. The new thing is when I'm on the highway at around 50 + and brake like when I'm about to.stop I get a whining noise from the front until I reach about 30mph I don't hear it anymore. And also when I'm driving at that speed I get some vibration as well. Even at a 70. I'm thinking its the bearing but I'm not sure .I'm I right or its more that. I did a wheel alignment a few months ago .so I don't think its that it either.could it be the ball joint or something .need some advise what I might be looking at here

[TechnoAlien]

i might be the tires or the ball joints being lose.I would see if the ball joints are bad and then go from there.