In this article
Begin an EQ decision with a listening goal. Find the part of the sound that causes the problem, make the smallest useful adjustment and compare it at matched output level with the arrangement playing.
1–2. Set the balance and choose the right place
Adjust the fader before changing tone. If several tracks share the same problem, consider a group adjustment; if only one source is wrong, process that source. An EQ across the entire mix is a broad tool for an isolated problem.
3–4. Filter unwanted energy and check resonances
Use high- or low-pass filtering where material outside the useful range distracts or consumes headroom. Do not apply fixed cutoff settings to every instrument. A narrow cut can reduce an intrusive resonance, but compare it in context so you retain the source’s character.
5–6. Shape broad tone and separate competing parts
A shelf or broad bell can change body, brightness or weight. When two instruments mask each other, first try a different register, voicing or sound. If EQ is still needed, let each part keep the frequencies that define its job rather than carving identical holes in both.
7–8. Distinguish constant problems from changing ones
Static EQ is useful for a tonal issue that stays present. If harshness appears only on occasional notes, automation or dynamic processing may be more appropriate. Avoid permanently thinning the whole performance to solve a few loud moments.
9–10. Match level and compare across sections
After a boost or cut, adjust output level for a fair bypass comparison. Check a dense chorus, sparse verse and the mono version. Keep the change only if it improves the intended role without introducing a larger problem somewhere else.
Try this in your project
Pick two instruments that compete. Try a fader change, a register change and an EQ change in separate versions. Compare them in the full mix and keep the simplest solution that preserves both parts.
Quick reference
| Focus | What to try | What to listen for |
|---|---|---|
| Source | Choose track, group or full mix | The right scope for the problem |
| Shape | Use a broad or narrow adjustment deliberately | Tone versus a specific resonance |
| Dynamics | Check whether the issue is constant | Static EQ or a changing correction |
Write the parts before mixing them
Captain Plugins helps you write chords, melody, bass and drum parts. Balance and process those parts with the mixing tools in your DAW; composition tools do not replace a mix or mastering workflow.
Captain Plugins 8 overview
See the update video for the current canvas and editing workflow.
Common questions
Is “cut narrow, boost wide” a rule?
It is a useful starting idea in some situations, not a requirement. The problem and the filter’s audible effect should guide the choice.
Should I match my spectrum exactly to a reference?
No. Different notes, sounds and arrangements produce different spectra. Compare the musical balance as well as the display.