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But while many technologies reduce the intensity of the noise source, people can still be heard talking.

You can use existing buildings to shield the noise source.

Use soundproofing to reduce the effects of remaining noise sources.

A noise source could be added separately to add further colour.

Some noise sources show up with a significant orientation in images.

The user is advised to break the connection between the room that contains the noise source and the outside world.

Up to now, all they had was a direction to a possible noise source.

He began to slide down the frequency range, eliminating one noise source after another.

But this process will be slow on systems which have few usable noise sources.

Noises from ventilation systems are another noise sources which should be taken care of.