This video presents the “naked truth” on dither and truncation error, by stripping away the original signal of a musical clip and listening at different bit levels.
I boost the error to a normalized audio volume for easy comparison of sound quality between different sample sizes, so your listening environment is not critical, but headphones will be a plus.
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Nigel Redmon is a musician, electrical and software engineer, and independent developer, specializing in digital audio signal processing applications. He has developed products for Line 6, Equator Audio, Alesis, Oberheim, and others. He shares his research at EarLevel Engineering. View more of his articles here.