Decades of Musings on HiFi

Audio, acoustics and electronics

aka „Des Technokraten Gruselkabinett“

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Thorsten AMR 77 System at the CES 2007 Mixing at a Behringer 32 Channel Digital Mixing Desk
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Converter theory

News

Why All Digital Filters Are Wrong

Published here

New article: Why All Digital Filters Are Wrong.

Every digital filter in a DAC is wrong, including no filter at all. The article shows how each kind is wrong, in time and in frequency, what the ear does with a transient, and what that suggests a filter should aim for. It is a rewrite of a tech note I wrote in 2018, with the marketing taken out and all the illustrations redrawn.