Mixing Loud with CTZ - Ep. 18 - Linear-phase HPF in sub region = BAD (Low end control Pt. 3) @Baphometrix
Mixing Loud with CTZ - Ep. 18 - Linear-phase HPF in sub region = BAD (Low end control Pt. 3)  @Baphometrix
Uploaded March 2022 | Updated September 2026, 1 week ago
In this video, I explain and demonstrate why linear-phase high-pass filters anywhere in the sub region is bad news. (And I also show why even minimum phase high-pass filters in this region are ALSO bad news.) This is episode 18 in a series about how to mix for loudness, in large part by using a specific approach to gainstaging and dynamic range control that I call the "Clip-to-Zero (CTZ) strategy".

0:00 - In this video
3:30 - Demo of the problem with pre/post-ringing
24:29 - Why new peaks from a "cleanup" filter are a non-issue

Find all of the "Mixing LOUD with CTZ" episodes in one convenient playlist:
youtube.com/playlist?list=PLxik-POfUXY6i_fP0f4qXNwdMxh3PXxJx

Wondering what the CTZ Strategy is? Start with this short 17-page written guide. Find it here at docs.google.com/document/d/1Ogxa5-X_QdbtfLLQ_2mDEgPgHxNRLebQ7pps3rXewPM/edit?usp=sharing)

This is NOT paid promotion. All the tools you'll see me using or hear me mention were paid for by myself. These are just great tools that I use every day, and that I personally endorse.

If you enjoyed this video, please do me a solid and not only like the video (and subscribe to my channel), but also give me a follow on my TWO different artist accounts on Spotify! Thanks!

Baphometrix: open.spotify.com/artist/6OvuAOnVItgHAD1yuCRU8a

DubSkald: open.spotify.com/artist/5CuK2JuI8RmXjJ8ZQBOHQC

soundcloud.com/baphometrix

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Big shoutout to niico for the amazing credit reel graphics!
Did you know that niico is also a great producer? Check out their work at:
beatstars.com/niicolondon
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Credit reel graphics: beatstars.com/niicolondon
Credit reel music: Baphometrix
Mixing Loud with CTZ - Ep. 18 - Linear-phase HPF in sub region = BAD (Low end control Pt. 3)Mixing Loud with CTZ - Ep. 24 - Controlling (and using) width and depthMixing LOUD with CTZ - Ep. 6 - Controlling dynamic range by clipping from the topMixing Loud with CTZ - Ep. 17 - Should you HPF the sub region? (Low end control Pt. 2)Bitwig Grid School 15 - Transport LFOs vs. Phase ModulesKClip 3.5 Testing (versus 3.2.4)Bitwig Grid School 11 - Audio Detection GatingWhy you NEED Psyscope Pro by FX23 (and Duck by Devious Machines)Bitwig 3.2 Audio Editing - Pt. 3 - Fades and CrossfadesBitwig 01 - Detailed comparison of Bitwig 2.4 vs Ableton Live 10Vital Synth - How to do Serum style PWM warpingBitwig WIN
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Mixing Loud with CTZ - Ep. 18 - Linear-phase HPF in sub region = BAD (Low end control Pt. 3)

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