I go 4 fingers down from the collar on the front, and just under the front collar impression on the backside of the shirt. everyones fingers are different so I measured mine and the 4 fingers measure 3.5. I also use my left hand to guage where to put left chest logos.
Grey noise then, has a sound frequency that, if translated to a light frequency, would roughly be the color grey. Grey noise is a random sound that is distinguishable from other types of sound because it sounds the same, to the human ear, at all frequencies.
A section of pure noise from the soundtrack of an AVI video has been selected, and the noise reduction tool is being set up to do its magic. The process works by taking a sample of pure noise (i.e., just the sound you want to remove).ith narration, it's usually easy to find a space between phrases that contains only noise, but music is more difficult; look for pure noise at the beginning of a file, before the music starts, or at the end, after the music stops. After finding and selecting the noise, go.