Noise: Difference between revisions

No edit summary
 
(2 intermediate revisions by 2 users not shown)
Line 2: Line 2:


{{Stub}}
{{Stub}}
''(Unrelated to the Pizza Tower character, but still worth a shoutout anyways.)''


'''Noise''', also known as '''Static''' is a video and audio distortion technique that involves 'fuzzing' of the footage.
'''Noise''', also known as '''Static''' is a video and audio distortion technique that involves 'fuzzing' of the footage.
=Video Noise=
[[File:Tv static.png|thumb|KZZZZKZKZKZKZKZZZZTTTTTTT]]
[[File:Tv static.png|thumb|KZZZZKZKZKZKZKZZZZTTTTTTT]]
Video noise, also known as '''static''', '''fuzz''', and many other terms is when electricity or other sources are, in some way, is interfering with the video output - causing random pixels to appear in place of the intended footage. This can be easily replicated with a random generator to create the illusion of a bad signal.


=Audio Noise=
This is often seen in [[analog distortion]] effects and re-creations.
Audio noise often comes in many different "colors" based on how it sounds. These are:


* White
=Types of Noise=
* Purple
There are five major types of noise.
* Red (Brownian)
* Pink
* Grey
https://en.wikipedia.org/wiki/Colors_of_noise
https://en.wikipedia.org/wiki/Colors_of_noise
{| class="wikitable"
|+ Types of Noise
|-
! Color !! Technical Description !! Sounds Like !! Looks Like !! Usage
|-
| White || Example || Radio Static ||  || MNoiseGenerator
|-
| Purple || Example || Example || ||
|-
| Red (Brownian) || Example || || [[File:2D Brown noise.png|thumb]] ||
|-
| Pink (Fractal) || Noise with a frequency spectrum such that the power spectral density (power per frequency interval) is inversely proportional to the frequency of the signal || A waterfall || [[File:Pink noise cube.gif|thumb]] || Fractal Noise in [[After Effects]]
|-
| Grey || Example || Example || ||
|-
| Blue (Void And Cluster) || A form of noise, such that the power spectral density is directly proportional to the frequency of the signal. In video, this can be used to dither images, emulating equally spaced points: When blurred, it creates a much more even spread of intensity|| Boiling water || [[File:bluenoise64x.png|thumb]] ||
|}
=Usage=
==Digitally==
The process of adding noise to audio or video are practically identical; most of the time, you simply need to apply an effect that adds it in for you.
===Video Effects===
* Noise HSL and its variants in [[Premiere Pro]] and [[After Effects]]
* Add Noise and Film Grain in [[Vegas]].
==Via Analog Distortion==
Adding static to an analog signal is as simple as messing with the signal itself - putting things in the way, magnets, moving it too far away/weakening the signal, etc.