Exploring EQ Worlds with musotalk’s FabFilter Pro-Q4

30. July 2025

RAUMKLANG

Exploring EQ Worlds with musotalk’s FabFilter Pro-Q4

musotalk introduces us to the fascinating world of All-pass filters, irresistibly wrapped in the FabFilter Pro-Q4. The phase-altering magic it unleashes in Cubase demonstrates how two seemingly harmonic kicks can unexpectedly become a harmonious disaster. Welcome to the world of sound architecture!

Introduction to the World of All-pass Filters

Sound architects, today we venture into perhaps the most enigmatic chapter of the audio world: the All-pass Filter. musotalk poses the ultimate question – what exactly does an All-pass Filter do? He explains that while High-pass and Low-pass filters clearly impact frequencies, the All-pass Filter does not alter frequencies in the traditional sense. Its trick lies in the manipulation of phase. One might almost think the sounds fold into a patch geometry of sound and silence.

there is no change in the frequency response but there is a change in the phase position

© Screenshot/Quote: Musotalk (YouTube)

Cubase in New Sounds

sometimes it results in nasal sounds, sometimes hollow sounds, sometimes very bass-heavy sounds

© Screenshot/Quote: Musotalk (YouTube)

In Cubase, this filter is translated into practice. By duplicating a sample and tweaking the All-pass Filter, a new dimension of sound manipulation reveals itself. Here, musotalk displays his true strength: practical demonstrations where theory becomes tangible and emerging sound spaces become palpable. The dance of phases is characterized by powerful ‘nasal, hollow, and bass-heavy sounds.’ An essential insight for those who want to not only hear but feel sound layers.

Kick Drums: Battle of the Phases

A particular fascination unfolds when discussing Kick Drums. Two monumental kicks, seemingly giants of the basic frequencies, suddenly sound like a hollow memory of themselves – thanks to opposite waveforms. musotalk shows how the All-pass Filter in FabFilter Pro-Q4 intervenes here. By shifting the phase, sound spaces are created where “fat upper-bass kicks” with lengthy sustains are within reach. A dream for those with patience and a keen ear for the unpredictable.

my knowledge and therefore my application suggestions also simply run out here

© Screenshot/Quote: Musotalk (YouTube)

Maestro of Microphones and Guitar Synthesis

For guitarists, too, the All-pass Filter opens up new sound worlds. Two microphones on an amp, each a mediator of its own sound colors, invite fine-tuning. musotalk demonstrates how the art of phase manipulation finds the sweet spot that matches one’s personal sound ideal. It is a play of machine ethics, challenging not only the technology but also one’s own sense of hearing.


A Universe of Possibilities

the electronic producers among you know how crucial this is

© Screenshot/Quote: Musotalk (YouTube)

In conclusion, musotalk asks his community: How do you operate with All-pass Filters? An invitation to lose yourself in the world of sound architecture. The FabFilter Pro-Q4 is not just a simple tool, but an invitation to create your own phase-controlled worlds. A call to all audio virtuosos to be inspired by the science of layering and the rhythmic pulse of drum sounds.

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Watch on YouTube: