The other two points, 2, and 3, control a narrower range of frequencies within a hyperbole. The points furthest left and furthest right –1 and 4, respectively – control shelves, meaning all frequencies from a certain point all the way to the lowest (1) or highest (4). ✓ Adjust to find a balance between eliminating the noise and restoring the sounds you want. These sliders control how aggressive the Noise Gate is, so increasing the Attack Time and Release Time may help restore some of the wanted sound. If you hear bits and pieces of the audio cutting out, then adjust the Attack Time and Release Time sliders. The drawback is that the sounds you want to keep, especially the human voice, vary in volume, so there may be parts of sounds you want which get caught in the Noise Gate and are eliminated along with the noise. The Noise Gate eliminates all sound below that volume level. ✓ Raise the Threshold level slider, which sets a threshold volume level. ✓ Click the Track FX button in the track header. The Noise Gate eliminates any sound below a certain volume level, so if the noise volume is always lower than the sound you want to keep, the Noise Gate solves the problem. If your background noise is something like a constant hiss, it may be a job for the Noise Gate.
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And if it doesn’t, the difference in volume between the voice and the background noise will often be enough that you can eliminate background sounds without eliminating the voice, as we’ll see a bit later.īut if you can’t avoid noise, or need to edit footage you didn’t record which has noise, there are some tools and techniques in VEGAS Pro which will help you to mitigate it, and sometimes remove it entirely.īut sometimes simply lowering the volume doesn’t work, because the volume of the noise is too close to the volume of the voice and the voice volume becomes too low. The closer the microphone, the louder the voice will be compared to any background noise, sometimes overpowering it completely.
Use a boom and get your microphone inches from your talent or use lavalier microphones planted on them. Don’t mount your microphone on your camera.
Most importantly, keep your microphones as close to your voices as possible. Turn off household items which produce noise, like fans, refrigerators, and air conditioning. Stay away from locations outside noisy streets or near trains or construction. Don’t record in a location which gives you lots of background noise. You can always darken a brighter, clean image, but if you try to brighten a dark image, the result will always be more video noise.
Then, working with a clean image in post, they bring the exposure down and get the dark look for the final image. They place shadows where they should be in a dark scene, but overall, the image is a stop or two brighter. They light the scene much more brightly than the final image will be so that they obtain a clean image. You may think, for example, a nighttime scene should be dark, so you may be tempted to shoot it dark, but keep in mind what professionals do. Video that’s not lit well enough ends up dark and noisy with muddy colors, and the darker it is, the worse the noise problem.
Noise happens most prominently in the darker areas of video. The best way to avoid it? Use plenty of light and give your video proper exposure. Most of the time, there isn’t. There are ways to mitigate noise, and some of them do a very good job, but it always comes at some cost to quality. This may seem obvious, but many times, productions leave problems like this to be “fixed in post,” expecting there to be some magic button or killer technique which will solve the problem. The best way to deal with noise in your video or audio is not to have any, or if it can’t be avoided, to record it in a way that it’s easy to mitigate.
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