The trick with noise reduction is to get rid of the unwanted noise while preserving the integrity of the sound-so what works on one kind of noise or source material may not work on another.
The 6 algorithms provide solutions for lots of problems seen in everything from individual instruments to fully mixed tracks. From there you can fine tune the results to taste.Īs I work mostly with dialogue, much of my experience using the NR800 was specific to that-but it’s important to note that this plugin can be used on any kind of noisy track. Then click Gain, which suggests a setting for each fader.
While playing the clip you want to affect, first click Threshold this will set the level below which the noise reduction begins working. Two Snap buttons on the right provide quick initial settings for any problematic sound. A host of global parameters on the right offers 6 different noise reduction modes-from smooth to fast-and a bias mode for further tailoring the reduction to the specific noise being targeted. On the left side are controls for high and low pass filters, with selectable slopes of 6, 12, 24, and 36 dB per octave. The upper center section of the NR800 hosts a generous display for your current settings and the audio being processed. A dynamic noise suppressor with 8 fixed bands of noise reduction, the NR800 offers a wealth of controls to clean up your signal, including well-implemented high and low pass filters before high quality noise reduction. The NR800 is a new audio noise reduction plugin created by the fine folks at McDSP (McDowell Signal Processing). And when all else fails, I turn to digital noise reduction-the most magical method… but going this route can generate peculiar sounding artifacts. Gain riding is the original noise reduction turn it down a bit between phrases, but not too much.
If the noise is happening simultaneously with the sound that you need to preserve (for example a low hum or high buzzing), a little EQ can go a long way. To start, simple editing leaves no artifacts! Just cut out the noisy parts. When cleaning up a signal, I start with the thing that is least destructive to the source material and go from there. In the right hands, it can be used like a scalpel that leaves no scars, but in the wrong hands, and used to excess, it can be more like a machete. The McDSP NR800 is meant to be a comprehensive noise reduction tool, offering solutions for music production, live sound, and audio post applications.
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