White noise a pleasant sounding full spectrum sound. Many use it for sleep, relaxing or focus by masking others nearby sounds. It is most recognizable as the static sound heard on (analog) television or radio. It is one of many noise colors each with different frequency responses: [ Ссылка ]
White Noise frequency response is even across the human listening spectrum, aka a flat response. This makes it ideal for testing speaker, microphones frequency response by playing it back and measuring the sound with a real time spectrum analyzer (RTA).
Noise is present at low levels in analog recording and often known as hiss, static or fuzz. It is incorporated into music production for a myriad of creative and technical purposes. Noise is artistically splashed into electronic dance music, often filtered, swept with equalizers (EQ). White noise is used in digital recording by adding very low levels, around -90dBu, to smooth out music masking sonic artifacts inherent in digital (PCM) recording These artifacts are basically sonic graininess--pixilation essentially. Listeners argue that even if the noise is undetectable in hearing tests, it improves the listening experience
Perhaps this is because White Noise, and its sonic relatives, Pink, Green, Brown, Blue, Grey and Violet Noise sonically permeate the environment humankind has lived in since the dawn of listening. Streams, rivers, oceans, the wind in the trees, rain, vehicles, machinery, footsteps on gravel or leaves, fire and even sounds heard by babies in the womb are a few examples of noise in our environment. Can you think of more natural White Noise examples?
The creation process involved a DAW (digital audio workstation), ProTools. An audio signal generator was utilized to create noise which is then equalized to represent the audio spectrum responses of white noise as defined by the broadcast industry in the early-mid 20th Century. (Wikipedia a great resource for more information) The audio is recorded from the generator for 10 hours and then exported into a video editing program, Magix Vegas. A corresponding video is created with custom graphics I made in the video program. The visual is animated, then married to the audio and rendered out to the full length final video.
Thanks for listening, Dale
Here are other popular noise colors on the channel:
Pink Noise the Classic:
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Brown Noise:
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Red Noise:
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Grey Noise:
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Blue Noise:
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Violet Noise:
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Very High Frequency Noise:
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Orange Noise:
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Magenta Noise:
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Sweeping Pink Noise:
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Noise Colors explained, What is Pink Noise? [ Ссылка ]
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