So we also need noise reduction at the emission sources.

We've returned to the best master we could find, but we're talking about a recording made in 1967, without noise reduction.

All the results are acceptable when the noise reduction is ought to be in this direction.

The bill does not specify how the noise reduction would be accomplished.

Noise reduction can be accomplished either in computer hardware or software.

Remove the cord altogether, and you get noise reduction without the music.

Significant noise reduction can be achieved by installing a second interior window.

However it could achieve up to 30 dB of noise reduction.

For example, the time span for noise reduction is very long.

Noise reduction is of particular concern in sound recording.