Welcome to Sage Audio. Today we’re covering the top 9 eq tips
But first, if you have a mix that you need mastered send it to us at SageAudio.com to
receive a free mastered sample of it.
Octave-Based Bandwidths
When equalizing, it’s important to know how to create a more musical sound - one of
the best ways to do this is to base the bandwidth of your EQ curves on octaves. For example,
the Q value of 1 Octave is 1.414 - this works well on your fundamental.
Multiply this by a little over 2 to get smaller bandwidths, for example, 2.871 is 1/2 octave
and so on.
Emulate Analog Equalizers
Analog emulation EQs don’t often show the curve they create, but with this free plugin
by Bertom audio you can see how the signal changes. This gives you the opportunity to
recreate analog curves with your favorite parametric eq - for example, we can observe
this Pultec and recreate it.
This is convenient if you want to add modern functions to classic curves, like mid-side
or maybe dynamic functionality.
What is Linear Phase?
EQs are made up of multiple filters from roughly 20 to 20kHz - when we alter the response in
a zero-latency EQ, these filters can conflict with one another causing constructive and
destructive interference amongst them. This isn’t an issue with linear phase since all
filters are identically delayed.
This is particularly useful on low frequencies where octaves are closer together. Since this
delay needs to be compensated for, it causes issues with your track’s transients, so
best to use as low of a delay as possible.
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Boost Sub with EQ
If you’re working on pop or hip-hop or any genre where sub-frequencies are important
- know that these are located between 20Hz and 60Hz more or less. If you boost these
frequencies with a high dB per octave sloped band, you can greatly improve your sub frequencies.
Use a low-latency linear phase setting when doing this for reasons we just discussed.
Boost Vocal with EQ
Your vocal’s clarity and presence rest between 1.5kHz and 3.5kHz, meaning you should find
a harmonic of your fundamental within this range and boost it. For example, if the fundamental
is an A, 1760Hz and 3520Hz are both good options, but this is just a good guide.
The best area to boost for vocal presence may not be noted that relates to the fundamental.
Boost Air with EQ
Air is talked about a lot in production, but achieving it is surprisingly simple - all
you need is an EQ that extends beyond 20kHz. For example, I can use the FabFilter Pro Q
3 to amplify a shelf centered at 30kHz and then adjust my Q and slope.
The band will subtly cover the highest perceivable frequencies, create a sense of air.
Control Dynamics with EQ
Dynamic EQs are a great alternative to compressors or expanders - they often have a cleaner tone,
and of course the ability to make your processing frequency specific. For example, I can use
a dynamic EQ as a de-esser by creating a band over my vocal’s sibilance.
I’ll adjust the threshold and bandwidth to control the right range and make
the de-essing transparent.
Bypassed Analog Emulation Plugins
This is a somewhat random tip, but it isn’t talked about to often so I figured I’d discuss
it - in short, most analog emulation equalizers are affecting your signal even when bypassed
or when all settings are at 0. We can notice that even when bypassed, the response isn’t
flat.
It’s best to keep this in mind if you want to create very subtle curves or if you want
to ensure your signal isn’t being affected.
Increase Perception of Fundamental
If you increase the amplitude of your harmonics, you can achieve a psychoacoustic effect in
which the fundamental frequency becomes easier to perceive - which is beneficial for a few
reasons. To do this, know the note of your fundamental, and then subtle boost each octave
note above it.
So if the fundamental is again an A, you can slightly boost each A to create this effect.
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