91.   The background noise makes the discussion inaudible, though our voices are clearly present under the roar of the vehicle.

92.   The background noise cannot be completely eliminated without affecting the quality of the recorded conversation, but the contrast between the conversation and the background can be enhanced.

93.   The band warmups and the automobile traffic on Devonshire and Zelzah form the background noise.

94.   The crackle and roar of the glaciers would have been mere background noise for the big visual show of the falling ice blocks.

95.   The ear plugs were supposed to filter out background noise but never survived past the first series of the game.

96.   The laser cuts through this background noise, Strelnitski says, and lets astronomers peek at the inner workings of the disk, a region otherwise inaccessible.

97.   The market shrugged off the news like so much background noise.

98.   The limitations include a lot of background noise and very little separation between the channels.

99.   The new gear also provides for quicker and easier removal of static and background noise that can muffle a distress call.

100.   The others are just background noise.