Linear phase filters and frequency response with the FabFilter Pro Q 2

Filters can be minimum phase or linear phase. But which is best? Should you aim for a perfect phase response, or are the imperfections of minimum phase of little importance? This video demonstrates the differences and shows exactly what happens. Check out the Audio Masterclass Music Production and Sound Engineering Course at https://bit.ly/3W3tpKo

Note on the Bessel filter: This is a filter with a linear phase response that can be constructed in the analogue domain. It is commonly used in loudspeaker crossovers. Its frequency response however is not as useful in practice for other purposes and filter designs such as the Butterworth are more often used despite their comparatively poor phase response. https://www.google.com/search?q=besse...

LINKS

The difference between minimum phase and linear phase    • The difference between minimum phase ...  
Inspector Spacetime from 'Community' https://www.imdb.com/title/tt1439629/
Dick Dastardly from 'Wacky Races' https://www.imdb.com/title/tt0122365/
FabFilter EQ Pro https://www.fabfilter.com/products/pr...

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0:00 Introduction
0:14 Minimum and linear phase in the analogue world
0:36 Linear phase filters in digital audio
1:08 The problem with minimum phase
1:44 Demonstrations of linear phase and minimum phase
4:59 Demonstrations of the phase response of linear phase and minimum phase filters
6:09 A psychedelic experience in phase
6:47 Summary

Disclaimer: Videos on this channel may include affiliate links and may feature software that has been received free of charge with an NFR (not for resale) licence, equipment that has been loaned or donated by a manufacturer or distributer, or equipment that has been bought for less than full retail price.