Frequency carving

Spectral Pocketing

Frequency carving is the practice of restricting instruments to dedicated frequency bands using filtering and equalization to prevent overlapping elements from masking each other. By filtering out unwanted low or high frequencies from dense sounds, engineers reserve clean sonic space for other featured elements. This separation keeps the overall mix transparent and allows individual parts to sound prominent and uncluttered.

How the songs in the archive use it

In Blinding Lights by The Weeknd, the kick drum and sub-bass are bracketed to the 30 to 80 Hz range to leave the low-midrange clear for the synth bass. Black Milk by Massive Attack applies a low-pass filter to the drum sample to cut high frequencies, keeping the top end open for heavily reverberated vocals.

How to do it in Logic Pro

Frequency carving carves out conflicting frequency bands from competing instruments to clear sonic space across the mix. Use it when two elements, such as a kick and bass or guitar and vocals, mask each other in the same range.

  1. Insert Channel EQ on the track you want to carve space from.
  2. Click Band 1 On/Off to activate a high pass filter and trim unnecessary low-end rumble.
  3. Click Band 4 On/Off to enable a parametric EQ band.
  4. Adjust Frequency to the area where the competing instrument needs room, then reduce Gain/Slope to cut.
Plug-inControlValueListen for
Channel EQBand 1 On/OffOnsub-bass rumble disappearing
Channel EQLow Cut Frequency80 Hzcleaned-up low frequencies
Channel EQBand 4 On/OffOnmidrange cut engaged
Channel EQPeak 2 Frequency450 Hzclarity emerging for the competing track
Channel EQPeak 2 Gain-4 dBreduced masking and cleaner separation

A general method with Logic Pro's own plug-ins. Control names are checked against Apple's manual; the values are starting points, so adjust them by ear.

Songs that use it (1)

What each track sheet's analysis found, with the sheet's own score. Analysis, not verified credits.

More Spectral Pocketing techniques

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