In this video, we'll explore the concept of dithering and why we need it. Dithering is the process of intentionally adding noise to a signal during quantization to preserve low level information and prevent correlated distortion. The video tries break down this definition through image and audio illustrations.
Find the full playlist here: https://www.youtube.com/playlist?list=PLbqhA-NKGP6B6V_AiS-jbvSzdd7nbwwCw
Content:
0:00 Dithering intro
0:45 Image dithering
2:59 Dithering to preserve information
8:10 Closer look
9:45 Dithering to prevent distortion
13:39 When and where to dither
Dithering Widget by Earlevel Engineering: https://www.earlevel.com/main/2014/03/15/dither-widget/
Tools used:
Audacity (Audio editor) - https://www.audacityteam.org/
Sonic Visualiser (waveform/spectrum analyzer) - https://www.sonicvisualiser.org/download.html
Reaper (DAW) - https://www.reaper.fm/
Izotope Ozone 8 Mastering plugin: https://www.izotope.com/en/products/ozone.html
This video series explains the fundamentals of digital audio, how audio signals are expressed in the digital domain, how they're converted and transformed and the advantages of working with digital signals.
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Check out the audio track in the intro and outro here: https://soundcloud.com/thrifleganger/tinderbox
Check out my music here: https://farfetchd-official.bandcamp.com/
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