MiniDSP tutorial / Unleash the power of biquads

Create  time inverted all pass filters with biquads and use them for filter linearization. Correct crossover and/or speaker/subwoofer box related phase distortions.

00:00:00 Introduction
00:00:34 What are crossovers and why they cause delays
00:03:25 Creating correct phase linearization in rePhase
00:03:16 Generating a FIR filter for MiniDSP with 1024 taps
00:12:34 Replicating phase linearization with all pass filters
00:17:50 What are biquadratic coefficients
00:18:32 Calculating biquads for time inverted all-pass filters
00:26:04 Exporting filters to MiniDSP
00:28:32 Phase, phase delay and group delay relationship



Link to MiniDSP biquad calculator Excel file designed by OCA:

https://docs.google.com/spreadsheets/...

Link to original MiniDSP biquad calculator:

https://www.minidsp.com/images/fbfile...





















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