bleep 
(bl
ēp)
n. A brief high-pitched sound, as from an electronic device.
v. bleeped, bleep·ing, bleeps
v.intr. To emit a bleep or bleeps.
v.tr. To edit out (spoken material) from a broadcast or recording, especially by replacing with an electronic sound: The station bleeped out the expletives from the taped interview.
[Imitative.]
bleeper n.